Reviews and Information for Tea Tree Oil
Essential Oils
Which lavender and tea tree essential oils are authentic and pure? ConsumerLab purchased and tested popular brands of lavender and tea tree oil to find out and identify it Top Picks for quality and value. The report also explains what essential oils can and cannot do, how to use them, as well as safety concerns and cautions.
Essential Oils Review
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CL Answer
Does tea tree oil work for getting rid of athlete's foot?
Learn more about tea tree oil and its effects on foot fungus (known as athlete’s foot, tinea pedis, or “ringworm” due to the lesion that can occur) and how it can be as effective as some, but not all, over-the-counter antifungal treatments. ConsumerLab explains.
CL Answer
Can castor oil eye drops improve or dissolve cataracts? Is castor oil or tea tree oil helpful for other eye conditions such as blepharitis or dry eye?
Can castor oil eye drops help cataracts or for other conditions such as blepharitis? Find out if castor oil eye drops are safe to use, and if they help for other conditions. ConsumerLab.com's answer explains.
CL Answer
Do any supplements help with COVID-19? Do supplements like vitamin D, zinc, vitamin C, or herbals work?
Find out if natural remedies & supplements for coronavirus such as zinc, vitamin C, garlic, or elderberry help to prevent or treat COVID-19.
Clinical Update
8/30/2022
Tea Tree Oil Toxicity
Is tea tree oil safe to use around the eye? Be careful -- it can potentially cause eye injury.
There is also concern that tea tree oil can cause growth of breast tissue in young boys. Learn more about this in the Cautions and Concerns section of our Lavender and Tea Tree Essential Oils Review.
Clinical Update
4/14/2023
Skin Reactions to Tea Tree Oil
Topical tea tree oil can cause skin reactions, but there may be ways to minimize the risk, according to a recent review. Get the details in the Cautions and Concerns section of our Lavender and Tea Tree Essential Oils Review.
Also see our Top Pick for tea tree oil.
CL Answer
Which ingredients should toothpastes and other dental products contain, and which should be avoided?
Learn about ingredients you want in your toothpaste, mouthwash and other dental products and which ingredients you may want to avoid.
Clinical Update
3/22/2024
Tea Tree Oil Toothpaste?
Dental products containing tea tree oil (such as toothpastes and mouthwashes) can be dangerous. Learn more in our article about dental products, which includes our Top Picks for toothpaste.
CL Answer
Which vitamins and supplements are good for acne, and are there any that make it worse?
Information about supplements for acne and clearer skin. Plus, find out which vitamins and supplements can make acne worse.
Clinical Update
3/28/2023
Pain Reduction with Lavender Oil?
Does spraying the skin with lavender oil reduce the pain of an injection? Find out what a recent study showed in the What It Does section of our Lavender and Tea Tree Essential Oils Review.
Also see our Top Picks among lavender and tea tree oils.
CL Answer
PFAS (Per- and Polyfluoroalkyl Substances): How can I avoid PFAS in dental floss, food, water, and other products?
Some brands of dental floss, including Oral-B Glide, may contain potentially toxic chemicals known as PFAS (polyfluoroalkyl substances). Get the details, and learn which floss and pick products are our Top Picks.
News Release
February 26, 2024
Latest ConsumerLab Survey Shows Growth in Popularity of Magnesium and Several Smaller Supplements
White Plains, New York, February 26, 2024 — A recent survey of more than 10,000 people who regularly use dietary supplements shows that supplements that experienced the greatest absolute growth in popularity during 2023 were pregnenolone (+7.5 percentage points), magnesium (+4.8 pts), berberine (+4.
Product Review
L-Theanine Supplements Review
Touted for Stress Relief, Do L-Theanine Supplements Work?
News Release
February 15, 2024
Unveiling the Truth About Green Tea’s EGCG Content
White Plains, NY, February 15, 2024 — ConsumerLab.com, a trusted name in health and wellness, sheds light on the EGCG (epigallocatechin gallate) content in green tea.
Product Review
Lion's Mane and Chaga Supplements Review
Read Labels Carefully -- Many Can Mislead
Product Review
Green Tea Review: Tea Bags, Matcha Powders, and Supplements
Some green teas provide barely any green tea polyphenols, while some others are high strength. See the Test Results and Our Top Picks for Green Tea.
Product Review
Baobab Dried Fruit Pulp Review Article
What Are the Benefits of Baobab Dried Fruit Pulp? Find Out What's In Baobab Super Fruit Products, Safety, Side Effects & More.
Product Review
Nutrition Bars & Cookies Review (For Energy, Fiber, Protein, Meal Replacement, and Whole Foods)
Find the Best Nutrition Bar or Cookie. ConsumerLab Tests Reveals Not All Nutrition Bars and Cookies Contain What They Claim.
Product Review
Prostate Supplements Review (Saw Palmetto and Beta-Sitosterol)
Find the Best Prostate Supplement for Symptoms of BPH. See Which Prostate Supplement Passed or Failed CL's Tests of Quality.
Product Review
Olive Leaf Extract Supplements Review
Learn What Olive Leaf Does and the Best Brands
Product Review
CBD Oils, Softgels, Gummies, Creams & Salves Review
See How Much CBD and THC We Found in Products.
Product Review
Noni Juice and Supplements Review Article
What Are the Benefits of Noni Juice? Get the Facts About Noni Juice and Supplements.
Product Review
Chia Seed Review — Whole, Ground, and Sprouted Seed, Seed Flour, & Supplements
Find the Best Chia Seeds, Sprouted Chia Powder, Flour, and Chia Supplements. Tests and Reviews of Chia Seeds & CL's Top Picks.
Product Review
Astaxanthin Supplements Review
See Which Astaxanthin Products Passed or Failed CL's Tests
Product Review
Coconut Oil and Medium Chain Triglycerides (MCT) Oil Review — Semi-Solid and Liquid Oils & Supplements
Find the Best Coconut Oil and MCT Oil. See How These Oils Compare on Medium Chain Triglycerides (MCTs), Quality, and Value.
Product Review
Shelled Walnuts (Halves & Pieces)
See Our Top Picks for Walnuts
Product Review
Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)
Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.
Product Review
African Mango (Seed Extract) Supplements for Weight Loss Review Article
Do African Mango Supplements Really Work For Weight Loss? Learn More About Choosing the Best African Mango Supplement: Evidence, Safety, Side Effects & More.
Product Review
Coconut Waters Review
Best Coconut Water? See Our Tests and Comparisons of Popular Brands Looking at Sugar, Electrolytes, Taste and Price.
Product Review
CLA (Conjugated Linoleic Acid) Supplements Review (for Slimming)
Choose the Best CLA Supplement. Not All CLA Supplements Contain What You Expect.
Product Review
Turmeric and Curcumin Supplements and Spices Review
See Our Top Picks Among Turmeric Products
Product Review
Weight Loss Supplements Review (7-Keto DHEA, Forskolin and Stimulant Blend Supplements)
Choose the Best Weight Loss Supplement. Be Careful With Weight Loss Supplements — Few Pass Quality Testing and Safety Review.
Product Review
PQQ (Pyrroloquinoline Quinone) Supplements Review
Learn What PQQ Does and Which PQQ Supplements are Best
CL Answer
Can I take cholesterol-lowering statin medication with green tea?
Find out if green tea and the green tea compound EGCG interfere with the absorption of statin medications. ConsumerLab.com's answer explains.
Clinical Update
2/21/2024
Lavender Oil for Shingles Nerve Pain?
Does lavender oil aromatherapy reduce nerve pain after shingles? Find out what a recent study showed in the Lavender oil section of our Lavender and Tea Tree Essential Oils Review, which includes our Top Picks for lavender oil.
Product Review
Lycopene Supplements Review
Find the Best Lycopene Supplements. CL Tests Reveal That Not All Lycopene Supplements Contain What They Claim.
Clinical Update
5/31/2024
Essential Oils Legal Settlement
Young Living Essential Oils has agreed to pay $5 million dollars to settle a class action lawsuit regarding a "therapeutic" claim in marketing its essential oils, including one that we tested in our Lavender and Tea Tree Essential Oils Review. See settlement details in our Recalls & Warnings section.
Clinical Update
7/25/2023
Lavender Oil for Insomnia?
Did the aroma of lavender oil improve sleep or reduce hot flashes in postmenopausal women with insomnia? Find out in the What It Does section of our Lavender and Tea Tree Essential Oils Review, which includes our Top Picks among essential oils.
Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?
Product Review
Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids)
Choose the Best Seed Oil Supplements. Find Out Which Flaxseed and Other Seed Oil Supplements Passed Our Tests.
Product Review
Protein Powders, Shakes, and Meal Replacements Review
Find Out Which Protein Products Passed or Failed Our Tests
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ
Product Review
Whole, Ground, Milled, and Cracker Flaxseed Review
High Levels of Cadmium Found in Flaxseed Products — Testing Expanded
Product Review
Multivitamin and Multimineral Supplements Review
Best Multivitamins In 2023 -- Caution with Gummies
Product Review
Electrolytes & Sports Drinks Review
See Which Sports Drinks, Powders, and Pills Deliver the Right Electrolytes
CL Answer
What is the best way to take curcumin? Is it better to take it all at once or in divided doses?
Find out the best way to take curcumin and turmeric supplements to increase absorption and bioavailability, plus the best way to cook with turmeric spice. ConsumerLab.com's answer explains.
Recalls & Warnings
August 28, 2023
Dr. Berne’s MSM and Castor Oil Eye Drops Recalled Due to Bacterial and Fungal Contamination
On August 26, 2023, Dr. Berne’s Whole Health Products issued a recall of all lots of its MSM DROPS 5%, 15% Solution, Dr. Berne’s Organic Castor Oil Eye Drops and Dr. Berne’s MSM MIST 15% Solution due to the risk of bacterial and fungal contamination.
Recalls & Warnings
June 12, 2023
Children's Liquid Vitamin Supplement Recalled
On June 7, 2023, Procaps S.A. de C.V. issued a voluntary recall of various lots of Laboratorios Lopez’s Bacaolinita 8 fl. oz children's liquid vitamin supplement because it contains undeclared PEG-40 hydrogenated castor oil.
Recalls & Warnings
November 09, 2023
Zazzee Naturals Warned for MSM Eye Drop Claims
On October 30, 2023, the FDA issued a Warning Letter to Dexterity Health, LLC DBA Zazzee Naturals following review of the company’s Amazon storefront, which found statements about the company’s Liquid MSM Drops to be drug claims.
CL Answer
Do any supplements help for ulcerative colitis?
Find out what supplements & vitamins can help with ulcerative colitis, such as VSL#3, curcumin, aloe or boswellia.
CL Answer
Do any supplements help with gum disease or periodontitis?
Supplements for healthy gums may help with gum disease or periodontitis. Learn more about omega fatty acids, lycopene, and probiotics.
CL Answer
Which supplements should be taken with food?
Find out which supplements should be taken with food, including vitamins A, D, E, and K, fish oil, and CoQ10.
Recalls & Warnings
November 29, 2023
Dr. Berne’s Whole Health Products Warned for Contaminated Eye Drop Products, Drug Claims
On November 22, 2023, the FDA issued a Warning Letter to Dr. Berne’s Whole Health Products following review of the company’s website, which found statements about the company’s Dr. Berne’s MSM Eye Drops 5%, Dr. Berne’s MSM Eye Drops 15%, and Dr.
CL Answer
Are supplements which claim increased absorption or improved bioavailability telling the truth? Is it worth paying more for these? Are there concerns?
Learn more about bioavailability enhancers, including emulsifiers and enzyme inhibitors.
CL Answer
I have IBS and don't want to take medication if I can help it. I've heard that peppermint works for IBS, but is there good research to support this?
Information about using peppermint oil for irritable bowel syndrome (IBS), including clinical evidence, dosage, safety and more.
CL Answer
How significant are the risks to drinking tea from China from heavy metals?
Find out which types of tea from China pose the greatest risk of toxic heavy metal contamination, including green tea.
CL Answer
What are the health benefits of green tea, and is it safe?
ConsumerLab explains green tea's potential health benefits for everything from fighting cancer to helping your heart.
CL Answer
Does Rooibos Tea Have Health Benefits and Is It Safe?
Learn about the health benefits of rooibos tea, including red and green, unfermented rooibos tea, how is differs from black and green tea, safety, and potential drug interactions with rooibos tea.
CL Answer
Which bottled green teas have the most EGCG?
Find out which bottled green teas have the most EGCG and health benefits. ConsumerLab tests show the Top Picks.
CL Answer
It is okay to add milk to green tea?
Find out if adding milk to green tea decreases the health benefits of green tea, reduces the bioavailability of tea catechins such as EGCG or has other effects. ConsumerLab.com's answer explains.
CL Answer
Does microwaving green tea affect the amount of EGCG or other catechins in the tea?
Find out if microwaving green tea affects the amount of catechins, like EGCG, in brewed green tea and the best way to brew green tea. ConsumerLab.com's answer explains.
CL Answer
Can green tea help prevent the flu?
Find out if green tea can help with your cold & flu symptoms - drinking, gargling or taking supplements. ConsumerLab.com's answer explains.
CL Answer
Mullein Tea: Possible Health Effects and Safety
Mullein tea is often promoted for relieving symptoms of lung conditions, including coughing, hoarseness, sore throat, and shortness of breath. Find out if there is evidence to support these uses, and learn about possible side effects of mullein.
CL Answer
Should I worry about getting too much fluoride from drinking tea?
Find out if drinking too much green or black tea can cause an excess of fluoride.
CL Answer
Is it true that green tea can interact with blood-thinning medications like warfarin (Coumadin) or clopidogrel (Plavix)?
Green tea interaction with blood thinners. Does it counteract the effects of blood-thinners like warfarin (Coumadin) and clopidogrel (Plavix)?
CL Answer
Is green tea from Japan contaminated with radiation?
Radiation levels in green tea from Japan have been closely monitored since the Fukushima Daiichi nuclear power plant accident in 2011. Find out if radiation in green tea from Japan is still a concern. ConsumerLab.com's answer explains.
CL Answer
Can drinking coffee weaken bones or make arthritis worse?
Learn about the effects of coffee intake on bone mineral density, risk of osteoporosis, and risk of fracture. Also, find out if drinking coffee might increase the risk of arthritis or worsen symptoms.
CL Answer
Does coffee have brain benefits?
People commonly drink coffee to increase alertness, counteract fatigue, and boost cognition, but does it really improve memory and cognitive function? Find out, and learn about risks linked with drinking too much coffee.
Recalls & Warnings
September 14, 2023
FDA Warns CVS, Walgreens, Similasan & Others for Eye Drop Violations
On September 11, 2023, the FDA issued Warning Letters to the following eight sellers of homeopathic and other types of eye drops regarding the products noted in italics due to a variety of violations of FDA regulations, most notably that they were marked with claims suggesting that they could cure, ...
CL Answer
Dandelion Tea & Supplements: Health Benefits and Safety
Find out about the potential health benefits of dandelion tea and supplements, as well as safety, side effects, and potential drug interactions.
CL Answer
Which supplements can help to lower blood pressure?
Supplements to lower blood pressure, including CoQ10, vitamin C, fish oil, and olive oil, are all explored to find out what works.
CL Answer
Should I be concerned about pyrrolizidine alkaloids in herbal supplements?
Find out which herbal supplement ingredients contain pyrrolizidine alkaloids (PAs), learn why these constituents are a safety concern, and find out how supplements containing these ingredients are regulated in the U.S. and Europe.
CL Answer
Should you take olive oil as a supplement?
Although extra virgin olive oil has many possible health benefits, such as reduced risk of heart disease and improved blood sugar control, these and other benefits have been demonstrated when olive oil replaces for saturated fats in the diet, not when taken as a supplement, as we explain.
CL Answer
Does guggul really improve thyroid function?
Guggul benefit information, including uses for improving thyroid function, hypothyroidism and evidence from clinical studies.
CL Answer
Does chuchuhuasi reduce inflammation or back pain?
Find out if chuchuhuasi, an herb from the Amazon rainforest, can decrease inflammation or reduce back pain. ConsumerLab.com's answer explains.
CL Answer
Which supplements and lifestyle changes improve sleep, and which cause insomnia?
Find out which vitamins may help you sleep and learn if any vitamins or supplements can cause insomnia.
CL Answer
I've heard that rice has high levels of arsenic. Does that mean rice bran oil does too?
Find out if rice bran oil can contain high levels of arsenic like whole rice and other rice products do.
CL Answer
A tea called Throat Coat made me lethargic and I was found to have low potassium. Is this a known problem? I was drinking 5 cups a day.
Throat Coat tea information, including licorice root content, potassium loss, and symptoms such as lethargy, increased blood pressure and fluid retention. ConsumerLab.com's answer explains.
CL Answer
Does Gynostemma pentaphyllum really work as an AMPK activator and help for diabetes, high cholesterol, or weight loss?
Find out if Gynostemma pentaphyllum ( jiaogulan) works as an AMPK activator and helps to lower blood sugar and treat diabetes. ConsumerLab.com's answer explains.
CL Answer
I take warfarin (Coumadin), an anticoagulant drug. Are there supplements I should avoid, or be taking, due to this drug?
Find out which supplements should be avoided when taking blood thinners (anticoagulants) like warfarin (Coumadin), including vitamin K, St. John's wort, and curcumin.
CL Answer
Do any supplements naturally suppress appetite and help with weight loss?
Learn which natural ingredients can suppress appetite and find if these natural appetite suppressants help with weight loss.
CL Answer
I read that sterol supplements to lower cholesterol like CholestOff can block the absorption of vitamins. Is that true?
Find out if CholestOff and other sterol supplements can block vitamin absorption in the body and other safety concerns.
CL Answer
With herbal supplements, what is the difference between root powder and root extract? Does it matter?
Learn more about the different forms of herbal supplements, including aloe, boswellia, ginkgo, green tea, and milk thistle.
CL Answer
Does drinking coffee deplete vitamins or minerals, such as magnesium, in the body? Can adding magnesium or other minerals reduce the acidity or improve the flavor of coffee?
Coffee can reduce absorption or increase loss of certain vitamins and minerals. Find out which are affected, and what steps can be taken to reduce the effect of coffee on these nutrients.
CL Answer
I take lisinopril (Zestril), an ACE inhibitor drug to lower blood pressure. Are there supplements I should avoid, or be taking, due to this drug?
When taking ACE inhibitors, find out which supplements should be avoided. Interaction info on Lisinopril or another ACE inhibitors.
CL Answer
Do any supplements help for irritable bowel syndrome (IBS)?
IBS supplements may help reduce irritable bowel symptoms such as pain, diarrhea and constipation. Supplements include probiotics, melatonin, and flaxseed.
Clinical Update
7/12/2022
Toxin in Borage Leaves & Tea
A member asked if borage flower is toxic due to its pyrrolizidine alkaloids. Learn about the safety of borage flower as well as borage leaf (used in teas) and borage oil in our updated CL Answer about pyrrolizidine alkaloids.
CL Answer
Do any supplements help with fatty liver disease? Are some diets more beneficial than others?
Find out if supplements such as vitamin E, fish oil, milk thistle, curcumin, choline, probiotics, vitamin D, reishi mushroom, or extra virgin olive oil are beneficial for fatty liver disease and learn which diet (Mediterranean, ketogenic, DASH, or fasting diets) seems to have greatest benefit.
CL Answer
Which supplements and foods reduce or increase the risk of kidney stones?
Find out which supplements, foods and beverages may increase or decrease the risk of kidney stones, including information about potassium, calcium, choline, turmeric and curcumin, vitamin C, as well as foods and beverages such as green tea, lemon juice, orange juice, cranberry juice, chocolate and almonds.
CL Answer
Which supplements help reduce the risk of colorectal cancer?
Find out which supplements may reduce the risk of colorectal cancer, including folate, fiber, selenium, and vitamin D.
CL Answer
Just one dose of a horse chestnut extract (standardized to 20% aescin) caused me to have significant nausea and vomiting. Might there be a problem with the product?
Find out if horse chestnut extract side effects, including gastrointestinal discomfort such as nausea and vomiting, and other safety information about horse chestnut.
Recalls & Warnings
December 10, 2019
Poisoning from Essential Oils Increasing
Poisonings from essential oil ingestion increased by 16.3% in Australia over a 4-year period, according to a study recently published in the Medical Journal of Australia. The researchers also noted reports of increased frequency and/or severity of essential oil poisonings in the U.S.
CL Answer
What are the health benefits of holy basil extract?
Learn about the health benefits of holy basil leaf extract. See the clinical evidence for and against holy basil extract for lowering blood sugar in people with type 2 diabetes, reducing anxiety and stress, boosting the immune system, and reducing the pain and inflammation of arthritis. ConsumerLab.com's answer explains.
CL Answer
Which vitamins and minerals should be taken together or separately?
Find out the best way to take vitamins and minerals and which vitamins and minerals should be taken together or separately for proper absorption. ConsumerLab answer explains the best way to take vitamins and minerals.
CL Answer
10 Supplements That May Help Reduce Nighttime Urination (And 5 That May Not)
Waking up more than once during the night to use the bathroom? Learn more about the 9 supplements that may help and 5 others that don't.
CL Answer
Which supplements can help with indigestion and/or heartburn?
Information on supplements for heartburn that can help relieve gastrointestinal symptoms - heartburn, indigestion and acid reflux.
CL Answer
Which supplements and foods can help treat constipation?
Find out which supplements and foods can help for constipation, including fiber, flaxseed, probiotics, magnesium and fruit.
CL Answer
5 Tips for Finding a Soap or Body Wash That Won't Irritate Skin
Get 5 tips for finding soap or body wash that won't cause skin irritation. See which soaps we rate best, ingredients to avoid, and phrases on labels that can mislead.
CL Answer
Are there supplements I should take, or take differently, when intermittent fasting?
Supplements that may help when intermittent fasting. Information about whey protein, CoQ10, magnesium and others, plus coffee, fiber and more.
CL Answer
Which dietary supplements, health foods or spices contain high levels of lead?
Information about lead and heavy metals in vitamins, supplements and foods. Information on the adverse effects of lead.
CL Answer
How can I avoid aconite – a toxin – in Aconitum supplements?
Aconite is a highly toxic alkaloid found in Aconitum plants ( also called monkshood, wolfsbane, or devil's hood). Aconite poisoning can cause low blood pressure, chest pain, increased or decreased heart rate, and irregular heart rhythm that can lead to cardiac arrest and death. Find out which supplements may contain aconite and how to avoid it.
CL Answer
Can fisetin, also called Cognisetin and Novusetin, really improve memory?
Fisetin (Cognisetin and Novusetin) information, including evidence from clinical studies on memory improvement, brain health, dosage, and pricing.
CL Answer
Supplements for multiple sclerosis (MS): Do any supplements reduce symptoms or relapse?
Find out if vitamins or supplements such as ginkgo, fish oil, biotin, vitamins A, C, E, D, and B12, or selenium reduce symptoms or relapse in people with multiple sclerosis (MS).
CL Answer
What are the health benefits of black cumin seed (black seed) oil?
Find out if black seed oil has health benefits, such as lowering blood pressure or cholesterol, asthma, weight loss, and others. Dosage, forms, including black seed oil and black seed powder, safety information, using black seed oil in foods and more. ConsumerLab.com's answer explains.
CL Answer
Which supplements reduce the risk of stroke? Which increase the risk of stroke?
Find out which supplements (may help reduce the risk of stroke/might increase the risk of stroke.)
CL Answer
Which supplements are best for seasonal allergies?
Find out which supplements are best for allergies and can help reduce seasonal allergy symptoms, including bromelain, curcumin, vitamin D, and CLA.
Recalls & Warnings
August 26, 2014
Seller of Immune Supplement Warned for Drug Claims
On August 12, 2014, the FDA issued a warning letter to Ad-Med Biotechnology, following a review of the company's websites and product labels, which found statements made about Immune Active Adult Formula and Immune Active Children's Formula to be drug claims.
Recalls & Warnings
June 27, 2024
“Authentic” Rose Oil Often Is Not
Damask rose essential oil (Rosa × damascene) and products claiming to contain this oil, or “authentic rose oil” may often be adulterated or contain less expensive oils instead, according to a recent bulletin from the American Botanical Association (ABC).
Recalls & Warnings
May 30, 2024
Young Living Essential Oils Agrees to Pay $5 Million to Settle Lawsuit
Young Living Essential Oils has agreed to pay up to $5 million to settle a class action lawsuit that charged the company with promoting its essential oils to reduce stress and anxiety, improve sleep, and other health-related claims without reliable scientific evidence.
Clinical Update
4/13/2014
Does Green Tea Improve Memory?
This week, news sources reported that a study found green tea helps working memory. While green tea may have benefits, a closer look at this study suggests the news was exaggerated and misleading. For details about the study (and information about other effects of green tea and our tests of green tea supplements, teas, and drinks) see the update in the Green Tea Supplements, Drinks and Teas Review >>
Clinical Update
8/27/2020
Is Expired Green Tea Safe?
We were asked if it is safe to use green tea past its "best by" date and if its flavor or health benefits would be diminished. See our answer in the How to Use section of our Green Tea Review. Also see our Top Picks for green tea — including tea bags, loose tea, matcha, and green tea supplements.
Clinical Update
12/17/2019
Green Tea and Breast Cancer Risk
Is there a relationship between green tea consumption and breast cancer risk? Learn what a large recent study showed in the Cancer Prevention section of the Green Tea Review. Also see our Top Picks for green tea -- including brewable green tea (from bags and loose tea) and green tea drinks.
Clinical Update
3/27/2018
Green Tea and Ovarian Cancer
Drinking green tea was associated with a reduced risk of developing ovarian cancer in a recent analysis. Get the details about this and green tea's relationship to other types of cancer in the What It Does section of the Green Tea Review. (Also see our test results for various types of green tea, including matcha, bagged tea, loose tea, and supplements.)
Clinical Update
6/02/2013
Don't Drink Too Much Tea!
After publication of our Green Tea Review last month, a CL member emailed us about the potential danger of getting too much fluoride from tea. Although this won't happen from just a few cups of tea daily, there have been recent cases where habitually drinking extremely large amounts of tea has caused "fluorosis" causing bone pain and even tooth loss. See the warning (and our tests of green tea products) in the updated Green Tea Review >>
Clinical Update
6/20/2014
Green Tea and Liver Toxicity
Green tea extract was listed as one of the most common dietary supplements linked to liver injury in a newly published guideline for diagnosing and treating drug-induced liver injury. Find out what one of the authors of the guideline had to say about the catechin content of some green tea supplements, and get our test results showing the amounts of catechins in green tea supplements in the Green Tea Supplements, Drinks and Brewable Teas Review >>
Clinical Update
6/03/2015
Green Tea for Weight Control?
Many studies have looked at whether green tea can help with weight management. The results have been mixed. A recently published study used a high-dose green tea extract. Although the researchers concluded it worked, a closer look suggests otherwise, and points to a potential risk. For details, as well as the results of our tests of green tea supplements, beverages, and brewable green tea, see the Green Tea Review >>
Clinical Update
8/09/2015
Green Tea May Inhibit Starch Absorption
A study recently found that taking a green tea extract along with a starchy meal (corn flakes) significantly reduced carbohydrate absorption. This may help explain why green tea may help modestly with weight management. Details about this study, including dosage, along with our tests of green tea supplements and teas, are found in the Green Tea Review »
Clinical Update
8/25/2015
Are Green Tea Pills Safe?
Studies have suggested that extracts of green tea can reduce the risk of certain cancers, improve memory, shrink uterine fibroids, and even help with weight reduction. However, liver toxicity has been a concern with green tea extracts. A large, government-funded study recently found that pills of green tea extract can be safe for many people, but some may experience adverse reactions, including elevated liver enzymes. Get the details in the "Concerns and Cautions" section of the Green Tea Review, along with information about what green tea does and our tests of green tea extracts, brewable teas, and beverages >>
Clinical Update
11/14/2017
How Much Tea Is Safe?
Green and black teas contain fluoride, which helps build teeth and bones, but excessive intake of teas can cause teeth and bones to become brittle ("fluorosis"). How many cups of tea are safe? Find out now based on recent tests of fluoride in green, black, and herbal teas in the "Concerns and Cautions" section of the Green Tea Review >>
Clinical Update
3/20/2019
Hot Tea & Cancer
Drinking very hot tea increases the risk of developing esophageal cancer. How long should you wait after brewing to drink tea? Find out what recent studies are showing in the What It Does section of the Green Tea Review. Also see other tips for the best way to prepare brewable green tea, and our Top Picks among green tea products.
Clinical Update
3/11/2022
Green Tea and Colon Polyps
Can taking green tea extract reduce the recurrence colon polyps? See what a recent study found in the What It Does section of our Green Tea Review. Also see our Top Picks among green tea extracts, tea bags, loose tea, and matcha powders.
See our answer to the question: Which supplements help reduce the risk of colorectal cancer?
Clinical Update
2/21/2024
Forever Chemicals in Tea?
A recently published study found an association between intake of "unsweetened" tea and higher blood levels of PFAS ("forever chemicals"). Should you be concerned? See the details in the Concerns and Cautions section of our Green Tea Review, which includes our recent Top Picks among products.
Also find out if "plant-based" plastic tea bags may be less likely to release microplastics than regular plastic or nylon tea bags.
A new video explaining how to choose the best green tea is also now available.
Clinical Update
9/16/2024
Green Tea & Iron Deficiency
Severe iron-deficiency anemia was recently reported after regular consumption of green tea. Get the details in our Green Tea Review, which includes our Top Picks for green tea.
Also be aware that drinking green tea may significantly affect blood levels of a common beta-blocker, as well as statins, blood-thinners, and thyroid medication. See the Concerns and Cautions section of our Green Tea Review.
Clinical Update
11/21/2023
Green Tea for Blood Cancer?
Does supplementing with green tea improve biomarkers in patients with leukemia, lymphomas or other blood cancers? Find out what research has shown in the Cancer Treatment section of our Green Tea Supplements Review, which includes our Top Picks for brewable tea and green tea supplements.
Clinical Update
7/25/2023
Green Tea for Fibroids?
A preliminary clinical study showed that EGCG from green tea extract may help shrink uterine fibroids. New research suggests why. For details, see the Fibroids section of our Green Tea Supplements Review. Also see our Top Picks among green tea supplements and teas and find out how much EGCG they contain.
Clinical Update
2/14/2023
Green Tea: More EGCG and Less Caffeine?
A CL member asked how steeping green tea in cold water rather than brewing in hot water affects levels of polyphenols and caffeine in the tea. See what a study found in the ConsumerTips section of our Green Tea Review, which includes our Top Picks for green tea.
Clinical Update
8/17/2019
Green Tea and Blood Sugar
Can drinking green tea reduce the rise in blood sugar after a meal, and if so, is the effect greater in the morning or evening? See what a new study found in the What It Does section of the Green Tea Review. Also see our tests and Top Picks among green tea supplements, and brewable and bottled teas.
Clinical Update
6/30/2020
Getting the Most from Green Tea
Our Green Tea Review shows that matcha green tea provides higher amounts of healthful catechins than regular green tea. This week, we added information about why this is as well as the results of a new study showing which type of matcha provides the highest levels of polyphenols (i.e., catechins). For details see the What to Consider When Buying section of the review. Also see our Top Picks among green tea products.
Clinical Update
Clinical Update
4/02/2019
Green Tea and Breast Cancer
Drinking green tea has been associated with a reduced risk of breast cancer recurrence. But what effect does high-dose green tea extract have? See what a major study found in the What It Does section of the Green Tea Review. Also see our Top Picks among green tea products.
Clinical Update
1/14/2020
Tea & Heart Disease
Another study shows that people who drink tea are less likely to suffer from cardiovascular disease. Find out how much and what type of tea was associated with benefits in the Cardiovascular disease section of the Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
1/30/2019
Getting the Most from Green Tea
If you drink green tea to get beneficial compounds like EGCG, learn about a recent study that suggests that the type of water you use to brew tea drastically affects the amount of EGCG you get. Get the details in the How to Take section of the Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
3/30/2019
Green Tea for Lowering Blood Pressure
Drinking green tea can help lower high blood pressure — and even reverse ventricular hypertrophy, according to a new study. For details, including the amount and brand of tea used, see the What It Does section of the Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
1/16/2015
Another Use for Green Tea?
A recently published study found that rinsing with green tea reduced plaque-forming bacteria in the mouth just as well as a prescription mouthwash. Get the details, including the form and dose of green tea used, in the Green Tea Supplements, Drinks and Brewable Teas Review >>
Clinical Update
4/22/2015
Green Tea Extract and Prostate Cancer
A new study, funded by the National Institutes of Health, showed that fewer men with pre-cancerous lesions developed prostate cancer if given a daily green tea extract supplement, although the results were not statistically significant due, in part, to the small size of the study. However, a somewhat similar study found a significant benefit. Learn more about these studies, and see our test results for green tea supplements, teas, and drinks, in the Green Tea Review >>
Clinical Update
3/16/2016
Don't Take Green Tea With Iron?
A study shows that iron can bind to a key flavanol (EGCG) in green tea, causing it to lose its anti-oxidant activity. Should you avoid iron-containing foods when using green tea? Find out in the "What to Consider When Using" section of the Green Tea Supplements and Teas Review >>
Clinical Update
9/28/2013
Green Tea to Treat Fibroids
A new study suggests that green tea extract may help shrink uterine fibroids (common in women of childbearing age) and reduce symptoms. For details, as well as test results and comparisons of green tea extracts and brewable teas and drinks, see the updated Green Tea Review >>
Clinical Update
1/18/2014
Green Tea "Blocks" Beta-Blocker
A new study shows that drinking green tea can drastically reduce the amount of a beta-blocker (nadolol, Corgard) absorbed into the bloodstream. Beta-blockers are typically taken to lower blood pressure, raising concern for people using green tea along with this beta-blocker and, possibly, related medications. Get the details, along with our tests of green tea drinks and supplements, in the update to the Green Tea Review >>
If you take a beta-blocker (which includes the popular drugs metoprolol (Lopressor, Toprol) and propranolol (Inderal)), be aware that chromium and CoQ10 may offer benefits.
Clinical Update
6/18/2014
Does Green Tea Really Help With Weight?
A new study found that a popular green tea extract did not cause a reduction in weight compared to placebo, despite the fact that some previous studies have shown a benefit. Get more details, including which green tea extract was used, in the update to the Green Tea Supplements, Drinks and Teas Review >>
Clinical Update
2/03/2023
Green Tea & Heart Disease
Find out how many cups of green tea per day is associated with lower risk of heart disease in the What It Does section of our Green Tea Supplements Review, and see our Top Picks for green tea.
Clinical Update
3/14/2023
Are Plastic Tea Bags Okay?
Are plastic (nylon) tea bags okay to use? There are two potential problems, as we explain in the ConsumerTips section of our Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
9/02/2022
Black Tea for Heart Health?
Drinking green tea has been linked with reduced risk of death due to heart disease, but how about black tea? See what a recent study found in the Cardiovascular Disease section of our Green Tea Supplements and Drinks Review.
Clinical Update
9/12/2020
Green Tea and Cholesterol
Can green tea help lower cholesterol levels? Find out what a recent study showed in the What It Does section of Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
9/29/2020
Green Tea for Memory?
Can a green tea extract supplement improve memory or cognitive function in healthy, older men and women? Find out what a recent study showed in the What It Does section of our Green Tea Review. Also see our Top Picks for green tea supplements and drinks.
Clinical Update
11/12/2019
Green Tea & Stroke
Studies have found green tea consumption to be associated with a decreased risk of stroke. However, a recent study found this to be the case for only for one gender. For details, see the What It Does section of the Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
9/24/2019
Does Green Tea Prevent Cognitive Decline?
Does drinking green tea reduce the risk of cognitive decline and, if so, how much do you have to drink? A multi-year study addressed this question. See the results in the Memory and Cognition section of the Green Tea Review. Also see our Top Picks for green tea.
Clinical Update
11/25/2017
How Hot Should Green Tea Be?
Drinking green tea may reduce the risk of certain cancers, but its effect on gastric (stomach) cancer may depend on the temperature at which you drink it, according to a new study. Find out what the best temperature seems to be in the "What It Does" section of the Green Tea Review >> (Also see how brands of green tea, including matcha, stack up in our tests.)
Clinical Update
3/10/2020
Staying Safe With Green Tea
If you use a green tea extract (alone or as part of a supplement formula), it is important to take it with food according to several reports, as explained in the Concerns and Cautions section of the Green Tea Review. Also see our Top Picks for green tea in bags, loose, as matcha powder, and in other forms.
Clinical Update
12/23/2013
Liver Toxicity with Supplements, Including Green Tea
An increase in cases of liver toxicity associated with dietary supplement use has recently been reported. In an article about the findings, The New York Times reports that bodybuilding supplements and products containing green tea extracts are among those associated with such cases. For more information about green tea extracts and toxicity, see the Concerns and Cautions section of the Green Tea Supplements Review >>
Clinical Update
2/07/2017
Colon Polyps and Green Tea
A study of middle-aged men and women found that those given green tea extract after colon polyp removal were much less likely to develop additional polyps than those who did not take the extract. For details about the extract and dose, see the "What It Does" section of the Green Tea Supplements Review (which includes our tests of supplements and teas) >>
Clinical Update
3/18/2017
Tea Drinking Associated with Less Cognitive Decline
A new study found tea drinkers to have significantly less cognitive decline than others. Read the details in the "What It Does" section of the Green Tea Supplements Review (which includes our tests of teas) >>
Clinical Update
6/18/2016
Green Tea & Cognition
Green tea consumption has been associated with a lower prevalence of cognitive impairment in older adults. However, a recent study evaluating the effects of a green tea powder on older adults with Alzheimer's disease and other forms of dementia failed to show a benefit. For more information, see the "What It Does" section of the Green Tea Review >>
Clinical Update
7/11/2015
Green Tea for Weight Management?
Green tea has been touted for weight management, but a recent study with a green tea extract casts doubt. More details are found in the "What It Does" section of the Green Tea Review >>
Clinical Update
4/27/2019
No Ginseng In Ginseng Tea?
A popular maker of bottled teas is being sued for allegedly not putting ginseng in its ginseng green tea. For details, see the Quality Concerns section of the Ginseng Supplements Review. Also see which ginseng products were Approved by ConsumerLab (and see our tests of various Green Teas).
Clinical Update
7/20/2018
Green Tea as a Prebiotic
Green tea may have a prebiotic effect — stimulating the growth of beneficial bacteria in the gut. Find out what clinical trials are showing in the What It Does section of the Green Tea Review. (Also see our Top Picks among green tea products).
Clinical Update
10/16/2018
A Caution With Green Tea
Although consumption of green tea is generally associated with a reduced risk of cancers, drinking it a certain way may increase the risk of certain cancers. Get the details in the Cancer Prevention section of the Green Tea Review. (Also see our Top Picks among green tea in bags, bottles, supplements, and matcha.)
Clinical Update
10/27/2018
Cleaner Green Tea
A recent study found that it is possible to modestly reduce pesticides in green tea by following a certain procedure before brewing. For details, see the How to Take section of the Green Tea Review. (Also see our Top Picks among green teas, matcha powders, and supplements.)
Clinical Update
3/07/2018
Statins and Green Tea
If you take a statin drug to lower your cholesterol, be aware that green tea can moderately affect blood levels of certain statins, as noted in a recent report. This effect also depends on the amount of green tea consumed and individual variability. For details see the Concerns and Cautions section of the Green Tea Review.
Clinical Update
7/06/2016
Lower Risk of Death With Green Tea
A long-term study of men in China found that those who regularly drank green tea — particularly larger amounts — were less likely to die during the study and had lower risks of dying from cardiovascular disease or cancer, compared to non-green tea drinkers. Get the details in the "What It Does" section of the Green Tea Review >>
Clinical Update
3/12/2024
Green Tea & Blood Sugar
Does green tea reduce fasting blood sugar levels? See what a recent study showed in the Blood Sugar Control/Diabetes section of our Green Tea Review, which includes our Top Picks for green tea.
Clinical Update
3/22/2024
Lower Cholesterol with Green Tea
Drinking green tea can lower cholesterol or triglyceride levels, as was recently shown. See the details in the What It Does section of our Green Tea Review, which includes our Top Picks for green tea.
Clinical Update
8/22/2023
Green Tea and Blood Sugar
A laboratory study showed how green tea might help control blood sugar. Get the details in the Blood Sugar Control/Diabetes section of our Green Tea Review, which includes our Top Picks for green tea.
Also see: Which supplements and foods can help lower or control blood sugar?
Clinical Update
9/01/2023
Green Tea Interactions
Drinking green tea can affect the absorption of many drugs, as was most recently shown with raloxifene (Evista), a medication used to treat osteoporosis and reduce breast cancer risk. Learn about these interactions (including those with certain statins, beta-blockers, and blood thinners) in the Concerns and Cautions section of our Green Tea Review. Also see our Top Picks among green tea products.
Clinical Update
9/12/2023
Green Tea for Cold Sores?
Does green tea help prevent or treat cold sores? Find out what research suggests in our Green Tea Review, which includes our Top Picks for green tea.
Also see: Can any vitamins or minerals help prevent or reduce canker sores or cold sores?
Clinical Update
8/04/2023
Chemical Solvents in Tea?
Are chemical solvents used to decaffeinate green tea? Find out in our Green Tea Review, which includes our Top Picks for green tea. Also learn about solvents in coffee.
Clinical Update
10/21/2024
Benefits of Mullein Tea?
What is mullein tea and does it really reduce coughing, or help ward off the flu or other viruses? Find out in our new article about the potential health benefits and safety of mullein tea.
Also see our Green Tea Review, including our Top Picks.
Clinical Update
10/14/2024
Rooibos Tea?
What are the potential health benefits of rooibos tea, how does it compare to black and green tea, and is it safe? Find out in our article about rooibos tea.
Recalls & Warnings
February 02, 2023
DoTerra Sellers Ordered to Pay $15,000 for Deceptive COVID-19 Claims
On January 30, 2023, the website truthinadvertising.org reported that the U.S.
Clinical Update
1/27/2024
Green Tea Interaction With Medicine
Drinking green tea may significantly affect blood levels of a common beta-blocker, as well as statins, blood-thinners, and thyroid medication. Be aware of these interactions. See the Concerns and Cautions section of our Green Tea Review.
Clinical Update
9/12/2024
Matcha for Sleep?
Does taking green tea matcha powder before bedtime improve sleep? Find out what a recent study showed in the Sleep section of our Green Tea Supplements Review, which includes our Top Picks among matcha powders and other green tea products.
Clinical Update
11/18/2022
Is Chamomile Tea Safe?
A CL member asked if chamomile tea is safe to drink. It’s generally safe in moderation, but there are concerns with drinking large amounts and with regular consumption during pregnancy. For details, see the Chamomile tea section in our CL Answer about supplements for improving sleep.
Clinical Update
9/25/2011
Green Tea Extract and Weight Loss
A new study using a high dose of green tea extract showed it to help sedentary overweight men lose weight, while those taking placebo gained weight. This is not the first study to show this potential benefit of green tea extract. The effect may be due to the compound EGCG. Get the facts, including how much EGCG was in the product, in the Weight Loss Supplements Review. More >>
Clinical Update
10/06/2017
Green Tea & Prostate Cancer
A recent study investigated the effects of green tea extract in men with pre-cancerous changes of the prostate. Find out if it helped in the "What It Does" section of the Green Tea Supplements and Drinks Review >>
Clinical Update
12/16/2017
Tea & Iron Absorption
A surprising number of foods and beverages, including tea, can interfere with the absorption of iron. When you drink your tea can make a big difference, according to a new study. Get the details in the Iron Supplements Review >>
Clinical Update
2/27/2018
Matcha Green Tea for Memory & Cognition?
Can drinking matcha green tea enhance memory or have other cognitive benefits? Find out what a recent study showed in the Memory and Cognition section of the Green Tea Review.
Clinical Update
4/24/2018
Avoiding Green Tea Toxicity
The European counterpart to the FDA recently issued its conclusions regarding toxicity from green tea catechins. Get the details in the Concerns and Cautions section of the Green Tea Review.
Clinical Update
5/31/2019
Licorice Tea Caution
Be careful with licorice tea because it can cause serious side effects, as recently happened to a man who drank one to two cups daily. Get more details in our answer about licorice tea.
Recalls & Warnings
September 26, 2014
Seller Warned for Promoting Essential Oils to Treat Flu, MRSA, Measles and More
On September 22, 2014, the FDA issued a warning to doTERRA International, LLC.
Clinical Update
8/12/2024
Turmeric Tea?
Is turmeric tea a good way to get curcumin (the key compound in turmeric)? Find out in the ConsumerTips section of our Turmeric and Curcumin Supplements Review, which includes our Top Picks among turmeric and curcumin supplements & spices.
Clinical Update
11/14/2023
Valerian Tea for Insomnia?
Valerian tea is commonly promoted for improving sleep, but does it work? Find out in our Valerian Supplements Review, which includes our Top Picks for valerian.
Also see: Which supplements and lifestyle changes improve sleep, and which cause insomnia?
Clinical Update
1/05/2024
Probiotics in Hot Tea?
Some teas now include probiotics, but are probiotics likely to remain viable if steeped in hot water? Find out in the What to Consider When Using section of our Probiotic Supplements Review. Also see our Top Picks among probiotic supplements.
Clinical Update
6/20/2023
Teeth Whiteners, Coffee & Tea
Should you avoid coffee and tea after using whitening toothpastes or whitening strips? Find out in the whiteners section of our article about toothpastes and other dental products.
Clinical Update
2/27/2024
Matcha Green Tea
We recently announced our Top Pick for "ceremonial" matcha in our Green Tea Review. A CL member asked if we’ve tested "culinary matcha." Although we did not this year, we did in 2021 and we have added those results to the current report.
Clinical Update
8/26/2022
Licorice Concern
Some licorice candies, ice creams and teas may be unsafe due to excessive amounts of the compound glycyrrhizin in these products, according to a recent study. Get the details in our updated article about Throat Coat tea and other licorice-containing products.
Clinical Update
8/06/2021
Caution With Earl Grey Tea and Bergamot
Consuming very large amounts of bergamot (which is found in supplements and teas, such as Earl Grey) may cause adverse effects. Get the details in the Bergamot section of our article about Supplements for Lowering Cholesterol.
Clinical Update
4/21/2023
Corn Silk for Nighttime Urination?
Does corn silk tea help reduce nighttime urination? Find out what research suggests in our article about supplements for nighttime urination.
Clinical Update
9/20/2022
Best Time to Take Synthroid?
Some people find it difficult to take levothyroxine (Synthroid) in the morning as typically recommended, since this requires delaying breakfast, coffee and tea. Can taking levothyroxine at night, instead, be just as effective? Find out what research shows in our article about supplement and food interactions with levothyroxine.
Clinical Update
7/26/2022
Chamomile for Sleep?
A CL member asked us if chamomile tea is helpful for insomnia. See what research suggests, and learn about potential interactions with chamomile, in our updated answer to the question: What are the best supplements for insomnia? Are there any supplements that interfere with sleep?
Clinical Update
9/26/2020
Licorice Danger
A man died after consuming large servings of licorice for several weeks, according to a recent report. Learn about the risks of licorice and the types of products in which it is found in our article about Licorice Root Tea.
Clinical Update
5/29/2021
Don't Do This If You Need Iron
If you're low in iron, be aware that many foods dramatically reduce absorption of iron from your diet. Teas can also have a major impact, as shown in a recent study. Get the details in the What to Avoid section of our Iron Supplements Review. Also see our Top Picks among iron supplements.
Clinical Update
7/02/2019
Licorice Danger
A woman suffered a stroke after consuming a supplement for indigestion that contained a large dose of licorice. Get more details in our answer about licorice tea.
Clinical Update
10/05/2019
L-Theanine for Sleep and Cognition?
Several studies have evaluated whether a single dose of L-theanine (found in green tea) can reduce stress and anxiety. A new study has evaluated the effect of L-theanine when taken daily for several weeks. See the results in the What It Does section of the L-Theanine Supplements Review. Also see our top choices for L-Theanine.
Clinical Update
10/10/2023
L-theanine for Cognition?
Does taking L-theanine (a compound that occurs naturally in tea) improve attention or cognition in healthy men and women? Find out in the What It Does section of our L-theanine Supplements Review, which includes our Top Picks for L-theanine.
Also see: Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?
Clinical Update
11/10/2023
Hibiscus for Blood Pressure?
Can supplementing with hibiscus flower in capsule or tea form help lower blood pressure? Find out in our article about supplements for lowering blood pressure.
Clinical Update
1/23/2024
Chamomile and Bleeding Risk?
Does drinking chamomile tea increase bleeding risk? Find out in the chamomile section of our article about supplements for sleep.
Clinical Update
1/27/2024
Licorice & Blood Pressure
Eating black licorice, or drinking tea that contains it, can increase blood pressure and cause heart issues. Get the latest details in our article about licorice.
Clinical Update
7/14/2023
Best Sweeteners?
Find out which lower-calorie sweeteners are our Top Picks for use in cold beverages, hot beverages (such as in coffee or tea), and baking, in our article about sweeteners.
Clinical Update
8/25/2023
Supplements for Memory
Find out if ingredients such as apoaequorin (found in Prevagen), ashwagandha, coffee extract, ginger, green tea, phosphatidylserine, or vitamin E, help improve memory and cognition in our article about supplements and foods for memory.
Clinical Update
8/12/2024
High Blood Pressure from "Liver Support" Supplement
A woman developed high blood pressure after daily use of a “liver support” supplement. Find out the likely reason why in our article about licorice root tea and supplements.
Clinical Update
8/29/2024
Sucralose & Diabetes
Does using sucralose (Splenda) instead of sugar in coffee and tea improve blood sugar control in people with type 2 diabetes? Find out what a recent study showed in our article about sugar substitutes, which includes our Top Picks among sweeteners.
Recalls & Warnings
April 17, 2020
Earth Angel Oils Warned for Coronavirus Claims
On April 14, 2020, the FDA issued a warning letter to Earth Angel Oils for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
March 16, 2023
Omega-3 Supplements for Dogs and Cats Recalled Due to Potential for Vitamin A Toxicity
On March 9, 2023, Stratford Care USA issued a recall of 62 brands of omega-3 supplements for dogs and cats due to potentially elevated levels of vitamin A.
Recalls & Warnings
March 04, 2022
FTC, FDA, and DOJ Take Joint Action Against Herbal Tea Companies for COVID Claims
On March 3, 2022, the FDA, FTC, and DOJ sued a New York-based marketer of herbal tea, in attempts to permanently block deceptive ads that claim Earth Tea is clinically proven to treat, cure, and prevent COVID-19.
News Release
February 24, 2023
Probiotics Rise in Popularity as Vitamin C, Melatonin, and Others Dip in Latest ConsumerLab Survey of Supplement Users
White Plains, New York, February 25, 2023 —A recent survey of 8,600 people who regularly use dietary supplements shows that probiotics (+3.04 percentage points), quercetin (+2.3 pts), and vitamin K (+1.
Recalls & Warnings
May 09, 2024
Walnuts, Other Nuts, Pumpkin and Sunflower Seeds Recalled Due to Undeclared Allergens
On May 8, 2024, Texas Pecan recalled various lots of the company’s 1 lb. and 8 oz.
News Release
August 10, 2022
Best Lavender and Tea Tree Essential Oils Identified by ConsumerLab
White Plains, New York, August 10, 2022 — Lavender essential oil as aromatherapy may reduce anxiety and tea tree essential oil is used topically for various skin ailments.
News Release
February 24, 2022
Consumers Returned to Pre-Pandemic Supplement Usage in 2021, ConsumerLab Survey Reveals
White Plains, New York, February 24, 2022 —A survey of 8,049 people who use dietary supplements shows many supplements that declined in use in 2020 began bouncing back in 2021, such as magnesium (+2.4 percentage points), and CoQ10 (+2.7 pts).
News Release
February 26, 2021
COVID Changed Supplement Popularity in 2020, ConsumerLab Survey Reveals
White Plains, New York, February 26, 2021 — A survey of 9,647 people who use dietary supplements shows that the supplements which experienced the greatest growth in popularity in 2020 were those being promoted to prevent or treat infection with SARS-CoV-2, the coronavirus that causes COVID-19.
News Release
May 10, 2018
Big Differences Found Among Green Teas -- ConsumerLab Tests Identify Best Green Tea in Bags, Matcha, Supplements, and Bottles --
White Plains, New York, May 10, 2018 — The benefits of green tea use are associated with the presence of natural polyphenols known as catechins, such as EGCG.
News Release
February 24, 2018
Magnesium, Curcumin, and Apple Cider Vinegar Rise in Popularity, While Probiotics Dip and Calcium Continues to Decline in Latest ConsumerLab.com Survey of Supplement Users
White Plains, New York, February 24, 2018 — A recent survey of 11,446 people who use dietary supplements shows that magnesium and curcumin and turmeric have leapt into the top 5 most popular dietary supplements, just behind vitamin D, fish oil and CoQ10.
Recalls & Warnings
April 25, 2024
Yogi Tea Recalled Due to Pesticides
On April 19, 2024, Yogi Tea issued a recall of over 54,800 packs of Yogi Echinacea Immune Support tea after a sample of echinacea tested above acceptable limits for multiple pesticides. No illnesses have been reported to date.
News Release
February 24, 2017
Vitamin D Supplements Maintain Top Spot in Popularity, as Probiotics Surpass Multivitamins to #4 Behind Fish Oil and CoQ10 in Latest ConsumerLab.com Survey
White Plains, New York, February 24, 2017 — A recent survey of over 9,505 people who use dietary supplements shows the most popular dietary supplement to be vitamin D, followed by fish oil, CoQ10, probiotics, and multivitamins.
Recalls & Warnings
January 25, 2021
Clover Leaf Sardines Recalled Due to Risk of Botulism
On January 22, 2021, Clover Leaf Seafoods Corp.
Recalls & Warnings
March 01, 2023
Seller of Dr. Miller’s Herbal “Detox” Teas Warned by FDA for Drug Claims
On February 3, 2023, the FDA issued a warning letter to Jackson Health & Wellness Clinic after inspection of the company’s website found statements about the company’s Dr. Miller’s Holy Tea, Dr. Miller’s Super Holy Tea, Dr. Miller’s Ultimate Tea, Dr.
Recalls & Warnings
November 16, 2023
Toxic Levels of Lead Found in Cinnamon Applesauce
WanaBana, Schnucks, and Weis apple cinnamon fruit puree pouches have been recalled after being linked, as of December 5, 2023, to 64 reports of illness, including four children with potential lead toxicity.
News Release
October 14, 2015
Is Matcha a Better Form of Green Tea? ConsumerLab.com Answers the Question
White Plains, New York, October 14, 2015 — For the past three years, ConsumerLab.com has been testing green tea products, including tea bags, bottled drinks, dietary supplements, and even a K-Cup®.
News Release
March 05, 2015
ConsumerLab.com Shows Chinese Consumers What's Really in Foods and Supplements -- U.S. Testing Company Expands to China, Launches cn.ConsumerLab.com
White Plains, New York, March 5, 2015 — Since 1999, American consumers and doctors have turned to ConsumerLab.com (CL) to find out which nutritional products are highest in quality based independent testing. Today, CL launched a Chinese-language website cn.ConsumerLab.
News Release
May 21, 2013
Green Teas Vary in Strength and Amount of Lead Contamination, According to ConsumerLab.com
White Plains, New York, May 21, 2013 — If you drink green tea for your health, be aware that the catechin and caffeine levels can vary by more than 240% across products. Some also contain significant amounts of lead in their tea leaves. This is according to recent tests by ConsumerLab.
News Release
December 21, 2012
ConsumerLab.com Tests Reveal What's Really In Green Tea Supplements and Bottled Drinks
White Plains, New York — December 21, 2012 — How do levels of EGCG and caffeine in green tea supplements and bottled teas compare with levels provided in a typical brewed green tea? It very much depends on the brand, according to new tests by ConsumerLab.com.
News Release
February 05, 2012
Fish oil and multivitamins most popular supplements in ConsumerLab.com survey -- Internet most popular place to shop
WHITE PLAINS, NEW YORK — FEBRUARY 5, 2012 — A survey of over 10,000 savvy consumers of supplements shows the most popular supplements to be fish oil, multivitamins, vitamin D, calcium and CoQ10, in that order.
News Release
January 31, 2011
Vitamin D use increased 52% in past two years according to ConsumerLab.com survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements
WHITE PLAINS, NEW YORK — FEBRUARY 1, 2011 — Among people who use dietary supplements, the most popular products at the end of 2010 were fish oil, multivitamins, vitamin D, calcium and CoQ10 according to a survey by ConsumerLab.com. Use of vitamin D surged in 2010 to 56.
News Release
March 02, 2010
ConsumerLab.com finds carcinogenic form of chromium in supplements, including those for weight loss -- Reviews published of supplements containing chromium, green tea, 7-keto DHEA and stimulant formulas
White Plains, New York — March 2, 2010 — A carcinogenic form of chromium, hexavalent chromium, is present is some dietary supplements, according to new tests by ConsumerLab.com.
News Release
January 20, 2010
ConsumerLab.com finds quality of most CLA supplements for slimming to be high; One brand mislabeled -- Report is first published in series on supplements for weight loss and slimming
ConsumerLab.com Finds Quality of Most CLA Supplements for Slimming to be High; One Brand Mislabeled
Recalls & Warnings
March 09, 2020
FDA Warns Sellers of Essential Oils, Colloidal Silver & Teas Promoted to Treat Coronavirus
On March 9, 2020, the FDA and FTC announced they have issued joint warning letters to seven companies for selling products such as essential oils, teas and colloidal silver with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
September 25, 2023
FDA Warns Consumers Not to Use Tapee Tea
On August 31, 2023, the FDA warned consumers not to purchase or use Tapee Tea products after FDA laboratory analysis found them to contain dexamethasone and piroxicam, drugs that are not listed on the product's label.
Recalls & Warnings
May 22, 2023
Hu Vanilla Crunch Dark Chocolate Bars Recalled Due to Allergen Risk
On May 18, 2023, Hu Products issued a voluntary recall of one lot of its Vanilla Crunch Dark Chocolate Bar because they may contain undeclared tree nuts (hazelnut, cashew, and/or almond).
Recalls & Warnings
December 14, 2023
Pain Relief Tea Recalled, Found to Contain Prescription Drugs
On December 13, 2023, WS Global issued a recall of all lots of the company’s Himalayan Pain Relief Tea after products were found to contain diclofenac and dexamethasone, prescription drugs that are not listed on the product’s label.
News Release
April 28, 2009
40% of Green Tea and Selenium Products Fail ConsumerLab.com Review of Cancer-Prevention Supplements; Lycopene Supplements Pass
WHITE PLAINS, NEW YORK — APRIL 28, 2009 — ConsumerLab.com announced results today of its Product Review of Supplements for Cancer Prevention. Among the products that ConsumerLab.com selected for testing, quality problems were found with two out of five green tea supplements.
Recalls & Warnings
March 02, 2022
Seller of Holistic Tea Warned by FDA
On February 17, 2022, the FDA issued a warning letter to Vital Health & Wellness following an inspection of the company’s website, which found statements made about the company’s product, Dr. Miller’s Holistic Premium Holy Tea, to be drug claims.
Recalls & Warnings
December 12, 2022
FDA Warns Saffron USA for Promoting Teas to Treat Insomnia, Osteoporosis & Cancer
On September 23, 2022, the FDA issued a warning letter to Saffron USA LLC following inspection of the company’s website which found statements about its Allergy Blend, Chamomile Tea Petals, Diabetic Support Blend, Orange Blast Tea, and Saffron Loose Tea products to be drug ...
Recalls & Warnings
May 18, 2023
EarthLab, Inc. Warned for Promoting Green Tea, Curcumin, Elderberry & More to Treat Stroke, Cancer & Flu
On April 27, 2023, the FDA issued a warning letter to EarthLab, Inc., dba Wise Woman Herbals, following inspection of the company’s website which found statements about the company’s Green Tea Solid Extract, Curcuma Spp.
Recalls & Warnings
June 19, 2023
A&Z Pharmaceutical Warned for Promoting Calcium & Vitamin D for Hair Loss, Osteoporosis & Cancer
On June 1, 2023, the FDA issued a warning letter to A&Z Pharmaceutical, Inc. following inspection of the company’s website and social media, which found statements about the company’s Chewable Calcium 600MG with Vitamin D for Kids in Orange Flavor products to be drug claims.
Recalls & Warnings
December 29, 2022
EarthLab, Inc. Warned for Promoting Curcumin, Elderberry to Treat Pain & Flu
On November 10, 2022, the FDA issued a warning letter to EarthLab, Inc., dba Wise Woman Herbals following inspection of the company’s website which found statements about the company’s products to be drug claims because they suggest the products can prevent or treat disease.
News Release
April 26, 2006
ConsumerLab.com tests cancer-prevention supplements; several contaminated with lead or low in ingredient — Report available for green tea, selenium, and lycopene supplements
WESTCHESTER COUNTY, NEW YORK — APRIL 26, 2006 ConsumerLab.com announced results today from its new Product Review of Supplements for Cancer Prevention covering 22 products. Cancer is the second leading cause of death in the U.S.
Recalls & Warnings
March 13, 2020
State of Missouri Sues Jim Bakker Show for Selling False Coronavirus Cure
On March 12, 2020, the Missouri Attourney General announced that it sued the Jim Bakker Show for selling a fake coronavirus (COVID-19) cure called Silver Solution.
Recalls & Warnings
July 28, 2020
Four More Companies Recall Hand Sanitizers
Between July 9 and 27, 2020, four more companies recalled hand sanitizers because they may contain methanol, which is toxic when absorbed through the skin or ingested:
Recalls & Warnings
March 16, 2021
FDA Warns Seller of Essential Oils
On March 12, 2021, the FDA issued a warning letter to Ravenscroft Apothecary, Inc.
Recalls & Warnings
January 31, 2021
Protein and Fiber Bars Recalled Due to Allergen Risk
On January 28, 2021, think! and Interpac Technologies, Inc. issued a voluntary recall of think! Protein + Fiber Oatmeal: Farmer's Market Berry Crumble due to the potential presence of tree nuts, including almonds and pecans.
Recalls & Warnings
November 28, 2022
Seller of Elderberry, Tea Warned for Claims of Treating Cold, Flu, Cancer
On October 18, 2022, the FDA issued a warning letter to Rosebud’s Ranch and Garden, LLC after inspection of the company’s website and social media found statements about the company’s Domestic Divas – Colds and Flu (Tea), Domestic Divas - No Pain No Gain Tea, Green ...
Recalls & Warnings
August 25, 2022
Oregon’s Wild Harvest Warned by FDA for Manufacturing Violations
On July 8, 2022, the FDA issued a warning letter to Oregon’s Wild Harvest, Inc.
Recalls & Warnings
May 01, 2024
FDA Warns Consumers Not to Use Ossos-Sans Supplement for Joints
On April 17, 2024, the FDA warned consumers not to purchase or use Ossos-Sans, a supplement promoted to treat osteoarthritis, osteoporosis, and other conditions, because it contains undeclared drugs, including diclofenac and methocarbamol.
Recalls & Warnings
June 24, 2024
Canned Coffee Recalled Due to Botulism Risk
On June 17, 2024, Snapchill LLC recalled its canned coffee products because they have the potential to grow the toxic bacterium Clostridium botulinum.
Recalls & Warnings
April 03, 2020
FDA Warns Pure Plant Essentials for Essential Oil Coronavirus Claims
On April 1, 2020, the FDA issued a warning letter to Health Mastery Systems DBA Pure Plant Essentials for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
February 02, 2021
FDA Warns Seller of Ginger, Echinacea, and More
On December 10, 2020, the FDA issued a warning letter to Prairie Dawn Herbs following a review of the company's website, which found statements made about the company's products Chest Tea, Ginger Oil, Dandelion root Tincture, Echinacea purpurea Tincture, Antispasmodic Tincture, ...
Recalls & Warnings
December 01, 2022
FTC Takes Action Against Company Promoting “COVID Resist” Supplement to Treat COVID-19
On November 22, 2022, the FTC filed a complaint in a U.S. district court against California-based company Precision Patient Outcomes, Inc. for promoting its COVID Resist and VIRUS Resist supplements to prevent and treat COVID-19.
Recalls & Warnings
December 20, 2021
Pantene, Herbal Essences, & Other Brands of Dry Shampoo and Conditioner Recalled Due to Benzene
On December 17, 2021, Procter & Gamble issued a recall of 26 aerosol spray dry shampoos and conditioners from six brands, including Aussie, Herbal Essences, Hair Food, Old Spice, Pantene, and Waterless Hair Care, because some of the products were found to contain benzene.
Recalls & Warnings
August 17, 2022
Seller of Moringa Tea and Other Herbal Products Warned for Drug Claims, Manufacturing Violations
On July 29, 2022, the FDA issued a warning letter to Deggeh Foods, Inc.
Recalls & Warnings
July 10, 2020
Sundial Herbal Recalls More Than Sixty Products Including Turmeric, Cinnamon & Tea
On July 9, 2020, Sundial Herbal Products issued a recall of more than 60 herbal products because they were misbranded and/ or promoted with drug claims. Their labels contain drug claims stating the products can diagnose, cure, mitigate, treat, or prevent disease.
Recalls & Warnings
May 02, 2020
Hopewell Essential Oils Warned for Coronavirus Claims
On April 27, 2020, the FDA issued a warning letter to Hopewell Essential Oils for selling its essential oils with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
December 15, 2022
Beware of Supplements, Homeopathic Products Promoted to Treat Flu, Says FDA
On December 13, 2022, the FDA warned consumers to beware of supplements and homeopathic products, as well as nasal sprays, sanitizers and other products that promise to prevent or treat the flu.
Recalls & Warnings
May 02, 2020
Seller of Botanical and CBD Oil Patches Warned for Coronavirus Claims
On April 27, 2020, the FDA issued a warning letter to Santiste Labs LLC for promoting its transdermal patches containing botanical oils and/or CBD with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
July 31, 2020
FDA Warns Seven Sellers of "Hangover Cures"
The FDA recently issued warning letters to seven companies for promoting hangover relief products with drug claims (use the links below to read the full warning letter):
Recalls & Warnings
March 05, 2021
Seller of Earth Tea Warned for COVID-19 Claims
On February 18, 2021, the FDA issued a warning letter to B4B Corp. following a review of the company's website by the FDA and Federal Trade Commission (FTC) which found the company promoted Earth Tea Extra Strength with unsupported claims that it can treat coronavirus (COVID-19).
Recalls & Warnings
May 24, 2023
Seller of Echinacea, High Blood Pressure Products & More Warned for Drug Claims
On May 12, 2023, the FDA issued a warning letter to H.E.A.L.
Recalls & Warnings
May 04, 2023
FDA Warns MedoLife for Promoting Homeopathic Products to Treat COVID-19, Cancer
On April 19, 2023, the FDA issued a warning letter to Medolife Rx D/B/A MedoLife Corp., AELIA Inc. and Queanta Inc.
Recalls & Warnings
November 09, 2023
FDA Warns Biorica International for Cholesterol, Kidney & Cancer Claims
On August 4, 2023, the FDA issued a Warning Letter to Biorica International Corp. following review of the company’s websites and social media, which found statements about the company’s Plaquex Oral Supplements to be drug claims, which are not permitted for dietary supplements.
Recalls & Warnings
April 03, 2023
SimplyProtein Bars Recalled Due to Undeclared Cashews
On March 31, 2023, Wellness Natural USA Inc. issued a voluntary recall of a single lot of SimplyProtein Peanut Butter Chocolate Crispy Bars because they contain undeclared trace of tree nuts (cashews).
Recalls & Warnings
January 16, 2014
Seller of Tea Supplements and Drinks Warned For Manufacturing Violations and Drug Claims
On December 31, 2013, the FDA issued a warning to Prestige Chinese Teas Company, Inc.
Recalls & Warnings
May 12, 2020
FDA Warns Seller of "COVID-19 Cough Syrup"
On May 8, 2020, the FDA issued a warning letter to Seanjari Preeti Womb Healing, L.L.C. for selling its product COVID-19 Cough Syrup with unsupported claims that it can treat coronavirus (COVID-19).
Recalls & Warnings
May 12, 2020
Plum Dragon Herbs Warned for Coronavirus Claims
On May 8, 2020, the FDA issued a warning letter to Plum Dragon Herbs, Inc. for selling Chinese medicine products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 03, 2020
FDA Warns Seller of Homeopathic Medicine for Coronavirus Claims
On April 1, 2020, the FDA issued a warning letter to Homeomart Indibuy for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 03, 2020
FDA Warns Seller of FullerLifeC60 for Coronavirus Claims
On March 30, 2020, the FDA issued a warning letter to FullerLifeC60, LLC, for selling a product with unsupported claims that it can treat coronavirus (COVID-19).
Recalls & Warnings
August 07, 2021
Poppy Seed Tea, Unwashed Poppy Seeds Pose Risk of Overdose, Death
Unwashed poppy seeds can be contaminated with significant, even dangerous levels of opioid compounds that can cause serious adverse effects, overdose and death.
Recalls & Warnings
January 23, 2020
Flaxseed Salmonella Risk Prompts Recall
Update: (2/4/20) This recall has been expanded to include additional Nopalina flaxseed products, which are highlighted below.
Recalls & Warnings
May 09, 2020
Federal Court Orders Seller to Stop Promoting Silver Product as Coronavirus Cure
On April 29, 2020, a federal court in Utah announced that it has obtained a temporary restraining order preventing Gordon Pedersen and his companies, My Doctor Suggests LLC and GP Silver LLC, from promoting fake treatments for coronavirus (COVID-19).
Recalls & Warnings
August 10, 2020
Seller Indicted for Promoting Silver Product as Coronavirus Cure
On July 28, 2020, Utah resident Gordon Pedersen was indicted by a federal grand jury for posing as a medical doctor to sell an unapproved treatment for coronavirus (COVID-19).
Recalls & Warnings
March 29, 2020
FDA Warns Seller of Nasal Spray Promoted for Coronavirus
On March 26, 2020, the FDA issued a warning letter to Corona-cure.com for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 01, 2020
NeuroXPF CBD Warned for Making Coronavirus Claims
On March 31, 2020, the FDA issued a warning letter to NeuroXPF for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 11, 2020
FDA Warns Seller of Products Promoted to Treat Coronavirus in Pets and Humans
On April 7, 2020, the FDA issued a warning letter to Savvy Holistic Health dba Holistic Healthy Pet for selling products intended for pets and humans with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 11, 2020
FDA Warns Sellers of CBD, Colloidal Silver & Natural Remedies Promoted to Treat Coronavirus
Between April 7 and April 9, 2020, the FDA issued warning letters to five companies for selling products such as CBD, colloidal silver, and natural treatments with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
August 25, 2022
White Mulberry Leaf Caused Death of Congressman's Wife, Coroner Reports
The death of Lori McClintock, 61-year-old wife of California congressman Tom McClintock, was caused by dehydration from gastroenteritis caused by “adverse effects of white mulberry leaf ingestion,” according to a coroner's report recently obtained by Kaiser Health News.
Recalls & Warnings
September 06, 2022
Sand Ginger Powder Recalled in Canada Due to Aconite
On September 1, 2022, Ka Wing Hong issued a recall of Mr. Right brand Keampferia Galanga Powder (sand ginger powder), a common spice used in Asian cuisine, due to aconitine contamination.
Recalls & Warnings
November 21, 2022
Healthy Sense and People’s Choice Multis Recalled
On November 17, 2022, Mason Vitamins Inc.
Recalls & Warnings
March 29, 2020
Seller of "Immune Tonic" Warned for Making Coronavirus Claims
On March 26, 2020, the FDA issued a warning letter to Carahealth for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 03, 2020
Gaia's Whole Healing Essentials Warned for Colloidal Silver Coronavirus Claims
On April 1, 2020, the FDA issued a warning letter to Gaia's Whole Healing Essentials, LLC, for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 17, 2020
The Art of the Cure Warned for Coronavirus Claims
On April 15, 2020, the FDA issued a warning letter to The Art of the Cure for selling products with unsupported claims that they can treat coronavirus (COVID-19).
Recalls & Warnings
April 14, 2020
Teami Tea Settles Charges of Unproven Claims and Deceptive Celebrity Endorsements
On March 6, 2020, the FTC announced that Teami, LLC, a marketer of tea and skin care products, agreed to settle charges that it was selling products with unproven claims and misleading celebrity endorsements.
Recalls & Warnings
September 08, 2020
FDA Warns Seller of Opioid Withdrawal Supplement
On August 25, 2020, the FDA issued a warning letter to Renewal Supplements LLC following a review of the company's website, which found statements made about the company product Opi-Cure to be drug claims.
Recalls & Warnings
March 30, 2021
Real Water Alkaline Water Recalled for Possible Link to Liver Illness
On March 24, 2021, Real Water, Inc. recalled all sizes of Real Water bottled alkaline water because it may be linked to multiple cases of non-viral hepatitis that occurred in Las Vegas, NV in November of 2020.
Recalls & Warnings
January 18, 2019
Another Green Tea Study Retracted
A study suggesting that green tea catechins reduce the invasive potential of human melanoma cells was recently retracted by the journal PLos One on December 31, 2018 due to concerns over the accuracy of the data.
Recalls & Warnings
August 21, 2013
Seller of Vitamin, Tea and MSM Supplements Warned For Drug Claims
August 7, 2013, the FDA issued a warning letter to Vibrant Life Vitamins, following a review of the company's websites which found statements made about Taheebo Life Tea, Life Glow Plus, Super Life Glow, Life Glow Basic, Vibrant Life MSM, Herbal MSM, and Organic Germanium to be drug claims.
Recalls & Warnings
January 21, 2014
"Stem Cell" Supplement Recalled Due to Allergen Risk
On January 19, 2014, Stemvida recalled StemAlive 90 Capsules because they were found to contain undeclared milk (labeled as bovine colostrum).
Recalls & Warnings
February 13, 2019
Supplements Promoted for Alzheimer's Disease and Dementia Sell "False Hope," Warns FDA
On February 11, 2019, the FDA warned consumers to beware supplements promoted to prevent or treat Alzheimer's disease or dementia.
Recalls & Warnings
March 06, 2015
Seller of Tea Drinks Warned for Drug Claims
On February 26, 2015, the FDA issued a warning letter to the seller of Anamu CancerHerb Tea Box, Anamu CancerHerb Tea Box with Honey and Organic Bottled Tea Drinks because statements made about these products on the websites, www.cancerherbtea.com and www.anamucancerherbtea.
Recalls & Warnings
March 17, 2015
Seller of Tea Warned for Drug Claims
On March 4, 2015, the FDA issued a warning letter to Four Elements Organic Herbals, LLC because statements made about HERBAL TEA Power, Energy & Stamina, ORGANIC HERBAL TEA Tulsi TelepaTea, ORGANIC HERBAL TEA To Your Health, Hawthorn Fresh Herb Extract, Elderberry Fresh Herb ...
Recalls & Warnings
December 19, 2013
Seller of Sexual Enhancement Supplement and Tea Drink Warned for Drug Ingredients and Drug Claims
On December 5, 2013, the FDA issued a warning letter to Green Planet, Inc. following a facility inspection which found the company's sexual enhancement supplement Night Bullet to contain the drugs sulfohydroxyhomosildenafil, thioaildenafil and aminotadalafil.
Recalls & Warnings
April 26, 2018
Wegmans Recalls Traditional Medicinals Teas Due to Salmonella Risk
On April 17, 2018, Wegmans Food Markets issued a recall of one lot each of Traditional Medicinals Throat Coat Lemon Echinacea herbal tea and Traditional Medicinals EveryDay Detox Lemon tea because they have the potential to contaminated with Salmonella.
Recalls & Warnings
July 15, 2019
Mislabeled Green Tea Supplement Recalled
On July 11, 2019, DaVinci Laboratories of Vermont issued a recall of 256 bottles of the weight management supplement Dim Plex because they may undeclared fish allergens.
Recalls & Warnings
October 24, 2012
Manufacturer of Green Tea, Vitamin E, Omega-3 and Cranberry Supplements Warned For Manufacturing Violations, Misbranding and Drug Claims
On October 16, 2012, the FDA issued a warning letter to dietary supplement manufacturer Advanced Nutritional Technology Inc.
Recalls & Warnings
June 12, 2014
Marketers of Memory Supplement Settle FTC Charges of Deceptive Claims
Martek Biosciences Corporation and i-Health Inc., marketers of BrainStrong Adult, have agreed to settle Federal Trade Commission (FTC) charges that claims the supplement could improve adult memory and prevent cognitive decline were deceptive, and not supported by sufficient clinical evidence.
Recalls & Warnings
April 24, 2018
Traditional Medicinals "Throat Coat" Lemon Echinacea Herbal Tea Recalled in Canada
On April 24, 2018, Health Canada (the Canadian equivalent of the FDA) advised consumers that one lot of Traditional Medicinals Throat Coat Lemon Echinacea herbal tea is being recalled in Canada because it has the potential to contaminated by Salmonella.
Recalls & Warnings
May 12, 2018
Seller of Astaxanthin, Cinnamon, Pine Bark and More Warned for Manufacturing Violations
On March 22, 2018, the FDA issued a warning letter to Get The Tea following a facility inspection which found the company's products, including Get the Tea Astaxanthin Max, Get the Tea Colostrum Complete, and Get the Tea Pine Bark Capsules, to be adulterated because they were ...
Recalls & Warnings
October 08, 2019
Seller of Tea, Colloidal Silver, Homeopathic Products Warned for Manufacturing Violations
On September 12, 2019, the FDA issued a warning letter to Herbal Healer Academy, Inc.
Recalls & Warnings
August 08, 2014
FDA Warns Puerto Rico Supplement Seller
On June 30, 2014, the FDA issued a warning letter to Mr. Ramon Rosa, following a review of his website, www.aceitedeguanabana.
Recalls & Warnings
November 06, 2014
Seller of Prostate, Heart Supplements and More Warned for Drug Claims
On October 9, 2014, the FDA issued a warning letter to Health Research Laboratories, LLC/New World Health, following a review of the company's websites, which found statements made about AtheChel Advanced, Betarol, BioTherapex, Omega-3 Cardio Plus, RejuvaLifeRx, and Ultimate Health Formula to be ...
Recalls & Warnings
July 05, 2017
CLIF Bars Recalled Due to Allergen Risk
On July 5, 2017, CLIF Bar & Company issued a voluntary recall of CLIF BUILDER'S Bar Chocolate Mint, CLIF Kid Zbar Protein Chocolate Mint, and CLIF Kid Zbar Protein Chocolate Chip flavors due to the potential presence of peanuts and tree nuts, including almonds, Brazil nuts, cashews, ...
Recalls & Warnings
December 20, 2017
Seller of Supplements for Pain and Allergies Warned for Manufacturing Violations, Drug Claims
On December 13, 2017, the FDA issued a warning letter to GnuPharma Corporation, following a facility inspection which found a number of the company's products, including Relief capsules, Foundation capsules, Aller-geez capsules, Fit capsules, Aller-Geez Tea, Foundation herbal tea and ...
Recalls & Warnings
February 28, 2013
Maker of Liquid Omega-3 Supplements Warned For Manufacturing Violations
On February 20, 2013, the FDA issued a warning letter to Capco Custom Packaging Inc.
Recalls & Warnings
October 18, 2017
FDA Warns Seller of Arthritis, Blood Pressure, Diabetes Supplements For Making Drug Claims
On August 15, 2017, the FDA issued a warning letter to Years to Your Health, Inc., following an inspection of the company's website which found a number of their products to be misbranded, as they contained drug claims.
Recalls & Warnings
November 04, 2015
Green Tea from Tea Bags Linked to Acute Hepatitis
According to a case report published on September 23, 2015 (Lugg, BMJ Case Rep 2015), a 16-year old girl in England developed acute hepatitis in connection with the consumption of green tea.
Recalls & Warnings
November 21, 2017
Health Canada Calls for Stronger Warnings of Liver Risk on Green Tea Extract Products
On November 15, 2017, Health Canada (the Canadian equivalent of the FDA) recommended stronger warning statements about the risk of liver toxicity on labels of supplements containing green tea extract sold in Canada.
Recalls & Warnings
May 02, 2016
The Republic of Tea Recalls Turmeric/Ginger Teas Due to Salmonella Risk
On April 29, 2016 The Republic of Tea issued a recall of several Organic Turmeric Ginger teas because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
March 15, 2016
Tea Recalled Due to Salmonella Risk
On March 11, 2016 Awareness Corp. issued a recall of its 7.4 ounce container of Boost Tea because it may be contaminated with Salmonella.
Recalls & Warnings
May 06, 2017
Herbal Teas Recalled Due To Botulism Risk
On May 1, 2017, U.S. Deer Antler Ex. & Imp. of Los Angeles, California, issued a recall of various herbal teas because they have the potential to be contaminated with Clostridium botulinum. This bacterium can cause botulism, a potentially fatal form of food poisoning.
Recalls & Warnings
August 28, 2013
Tea and Papaya Supplement Company Warned For Drug Claims
On August 12, 2013, the FDA issued a warning letter to Herbal Papaya, LLC, following a review of the company's website and Facebook page which found statements made about Papaya Seed Extract Capsules, 100% Papaya Leaf (Paw Paw Twig) and Papaya Leaf with Rooibos Tea to be drug claims.
Recalls & Warnings
March 11, 2017
Two Hospitalized After Drinking Herbal Tea With Aconite
On March 11, 2017 the San Francisco Department of Public Health announced that two people became ill and required intensive hospital care after consuming tea made from tea leaves purchased from Sun Wing Wo Trading Company in San Francisco.
Recalls & Warnings
June 27, 2007
Warning Labels to be Required for Green Tea and Black Cohosh Products
On June 26, 2007, the U.S. Pharmacopeia (USP) Dietary Supplements Information Expert Committee (DSI-EC) voted to require cautionary statements on the labels for green tea extracts and black cohosh dietary supplements.
Recalls & Warnings
February 07, 2011
Maker of Hoodia and Green Tea Products to Pay $2.65 Million Settlement for Unfair Business Practices
On February 1, 2011, supplement maker Irwin Naturals agreed to pay civil penalties, consumer restitution, and and investigative costs to settle a suit in California alleging that Irwin Naturals marketed Hoodia products that did not contain the hoodia gordonii herb despite the product labeling.
Recalls & Warnings
November 06, 2014
Seller of Cholesterol, Arthritis Supplements and More Warned for Drug Claims
On October 17, 2014, the FDA issued a warning letter to Vitamins Direct (USA) and Golden Pride, Inc., which distribute Flexezy and Physician's Signature brands of dietary supplements, following a facility inspection which found statements made about certain supplements to be drug claims.
Recalls & Warnings
May 24, 2013
Brewable Tea and Tea Supplement Company Warned For Manufacturing Violations and Drug Claims
On April 2, 2013, the FDA issued a warning letter to Natures Health Options, LLC, following an investigation which found the company's Charantea Bitter Melon Ampalaya, which is distributed as a dietary supplement in capsule form, and as a tea, to be adulterated because it was prepared, packed, or ...
Recalls & Warnings
May 30, 2015
Seller of Omega-3, Probiotics & SuperFoods Warned for Manufacturing Violations, Drug Claims
On May 4, 2015, the FDA issued a warning letter to Dr. Dennis Black, LLC.
Recalls & Warnings
February 20, 2018
Salmonella Outbreak Linked to Kratom Powders, Pills and Teas
On February 20, 2018, the Center for Disease Control (CDC) warned consumers not to use kratom in any form because it could be contaminated with Salmonella. The CDC is currently investigating an outbreak of illness caused by Salmonella infection associated with the use of kratom.
Recalls & Warnings
July 10, 2018
Blissful Remedies Kratom Recalled Due to Salmonella Risk
On June 30, 2018, Blissful Remedies issued a recall of three kratom products because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
June 19, 2018
FDA Warns Seller of Weight Control Patches
On June 6, 2018, the FDA issued a warning letter to Health Management Group, Inc.
Recalls & Warnings
April 21, 2018
NxtGen Botanicals Maeng Da Kratom Recalled
On April 18, 2018, NGB Corp. of West Jordan, Utah issued a recall of NxtGen Botanicals Maeng Da Kratom labeled bottles of encapsulated product because they have the potential to be contaminated with Salmonella. To date, one illness has been reported to the FDA.
Recalls & Warnings
April 09, 2018
Kratom Powders and Capsules Recalled Due to Salmonella Risk
On April 5, 2018, Club 13 issued a recall of certain kratom powders and capsules because they have the potential to be contaminated with Salmonella.
Recalls & Warnings
February 28, 2017
Seller of Tea Supplements Warned for Manufacturing Violations
On February 3, 2017, the FDA issued a warning letter to Kumato Labs, following a facility inspection which found the company's products, including CHO WA Tea, COMOXIN IBS Formula and NEMURI Sleep Formula to be adulterated because they were prepared, packed, or held under ...
Recalls & Warnings
November 04, 2016
Liver Injuries Linked With Dietary Supplement Use on the Rise
The number of liver injuries associated with dietary supplement use has increased substantially in recent years, according to a recently published study in the journal Hepatology.
Recalls & Warnings
September 14, 2016
Seller of Aloe, Prostate and Joint Supplements Warned for Manufacturing Violations
On April 8, 2016, the FDA issued a warning letter to Salud Natural Entrepreneurs, Inc.
Recalls & Warnings
July 01, 2013
Teas Recalled Due To Potential Botulism Contamination
One June 28, 2013, Harmony Chai issued a voluntary recall of its Concentrated Black Spiced Chai and Decaffeinated Rooibos Chai bottled tea drinks, because they have the potential to be contaminated with Clostridium botulinum.
Recalls & Warnings
September 17, 2003
FDA Warns of Illness from Star Anise Teas
On September 10, 2003, the Food and Drug Administration (FDA) advised consumers not to consume "teas" brewed from star anise.
Recalls & Warnings
December 22, 2005
Health Canada Warns Consumers Not to Take Chaparral
On December 21, 2005, Health Canada (Canada's health ministry) warned consumers not to ingest the herb chaparral in the form of loose leaves, teas, capsules or bulk herbal products because of the risk of liver and kidney problems.
Recalls & Warnings
January 11, 2013
Consumers May Be Eligible For Cold, Allergy and Weight Loss Supplement Refunds
On January 7, 2013, the Federal Trade Commission (FTC) announced that consumers who purchased the Iovate Health dietary supplements Accelis, nanoSLIM, Cold MD, Germ MD, or Allergy MD between January 2006 and July 2010 may qualify for a refund.
Recalls & Warnings
November 14, 2012
Maker of Vitamin C, Aloe and Sexual Enhancement Supplements Warned for Drug Claims and Misbranding
On October 22, 2012, the FDA issued a warning letter to Health Breakthroughs International, LLC after a review of the company's product labels and website found the dietary supplements Amazing C, MPS-Gold 100 and Power Herbal Formula to be promoted as drugs.
Recalls & Warnings
March 28, 2014
Nutrition Bars Recalled Due to Allergen Risk
On March 27, 2014, Clif Bar & Company issued a voluntary recall of a small number of 15-count boxes of Chocolate Chunk LUNA Bars because they contain undeclared macadamia nut butter.
Recalls & Warnings
September 16, 2015
Herbal Extracts Recalled
On September 15, 2015, Iowa Select Herbs, LLC issued a recall of numerous herbal exacts following a permanent injunction which required the company to stop selling supplements.
Recalls & Warnings
December 07, 2012
Antioxidant Protandim Supplement Recalled Due To Risk of Metal Fragments
On December 5, 2012, LifeVantage Corporation issued a voluntary recall of dietary supplement Protandim, the Nrf2 Synergizer, due to the potential for contamination with small metal fragments. The recall includes Protandim products sold in the U.S. and Japan between July and November 2012.
Recalls & Warnings
August 31, 2012
Energy, Fat Loss Supplement Recalled For Ephedrine Alkaloids
On August 28, 2012, dietary supplement re-sale distributor Brand New Energy (BNE) issued a recall of EphBurn 25 after FDA testing found the product to contain ephedrine alkaloids.
Recalls & Warnings
July 13, 2012
Alistrol Health Inc. Warned Over Health Claims on Products
On June 26, 2012, the FDA issued a warning letter to Alistrol Health Inc. for making product statements on the company's websites that constitute drug claims.
Recalls & Warnings
January 10, 2013
FDA Warns Aloe and Herbal Supplement Companies For Manufacturing Violations
AloeScience Labs, Inc. -- On November 14, 2012, the FDA issued a warning letter to AloeScience Labs, Inc.
Recalls & Warnings
February 15, 2013
Energy Drink Recalled Due To Bacterial Contamination
On December 21, 2012, NBTY issued a voluntary recall of the energy supplement MET-Rx Extreme Thermo Rage Watermelon 8 fl. oz. (Manufactured by MET-Rx Nutrition, Inc.) due to bacterial contamination.
Recalls & Warnings
October 18, 2011
FDA Warns Consumers Against Eighteen Weight Loss Products Containing Drugs
On October 18, 2011, the U.S. FDA advised consumers not to purchase or use eighteen different weight loss products found to contain undeclared drug ingredients. The products are listed below with links to more detailed information and photographs.
Recalls & Warnings
April 26, 2013
Seller of Immune, Cholesterol, Liver and Blood Sugar Products Warned For Drug Claims
On March 20, 2013, the FDA issued a warning letter to Birkdale Medicinals LLC, following a review of the company's website which found statements made about Birkdale products, including Immune Response 247, Cholestat, Silymarin 81 and LevelStat, to be drug claims.
Recalls & Warnings
October 03, 2014
Seller of Green Tea, Prostate, Pain Supplements and More Warned for Manufacturing Violations and Drug Claims
On July 25, 2014, the FDA issued a warning letter to AMS Health Sciences, LLC following a facility inspection which found the company's products, including saba ACE, UROPOWER, UROSure, Digest-Eze, Shark Cartilage, Colloidal Silver, and Mobilite to be adulterated because they were prepared, packed, ...
Recalls & Warnings
July 05, 2013
Seller of Vision Supplement Warned For Drug Claims
On June 25, 2013, the FDA issued a warning letter to Nutrient Synergy, Inc., following a review of the company's website which found statements made about the dietary supplement Nepretin to be drug claims.
Recalls & Warnings
January 24, 2013
Food for Health Warned for Manufacturing Violations and Drug Claims on Supplements
On October 5, 2012, the FDA issued a warning letter to Food for Health International, LLC following a facility inspection which found the company's products, including Activz brand Vitamin D, Potassium Iodine, Organic Vitamin C, Whole 9 (a fruit and vegetable meal replacement shake) Control and VMA ...
Recalls & Warnings
June 19, 2008
FDA Warns Groups to Stop Selling Fake Cancer 'Cures'
On June 17, 2008, the FDA reported that it had sent Warning Letters to 23 U.S. companies and two foreign individuals marketing a wide range of products fraudulently claiming to prevent and cure cancer.
Recalls & Warnings
August 30, 2012
FDA Warns of Medical Claims Made For Numerous Chinese Herbal Products
On August 15, 2012, the FDA warned Dragon Herbs that promotional statements made on the company's website constitute drug claims for twenty herbal products, including CardioPro 2000, Cordyceps, Duanwood Reishi, Gynostemma, Ginseng and Astragalus Combination, Dang Gui and Gelatin, Sweet Relief, ...
Recalls & Warnings
November 30, 2013
"Diuretic" Weight Loss Supplement Recalled
On November 29, 2013, IQ Formulations issued a recall of all lots of diuretic weight loss supplement HYDRAVAX because one lot of the supplement was found to contain an undeclared prescription diuretic drug.
Recalls & Warnings
September 13, 2014
Marketer Banned From Selling Weight Loss Products
In order to settle FTC charges of deceptive weight loss claims, John Matthew Dwyer III, the co-founder of HealthyLife Sciences, LLC, has agreed to no longer manufacture or market weight loss supplements.
Recalls & Warnings
January 02, 2012
FDA Warns XYMOGEN of Manufacturing and Labeling Violations Regarding Multiple Products
On December 13, 2011, the U.S. FDA sent a Warning Letter to Atlantic Pro Nutrients, Inc. (dba XYMOGEN) regarding labeling and/or manufacturing violations relating to its products, which include Borage CP-240, CoQmax CF, Immune Rx, Iron Glycinate, and Green Tea 600.
Recalls & Warnings
September 23, 2014
Maker of Joint and Weight Products Warned for Hidden Drugs, Manufacturing Violations
On September 15, 2014, the FDA issued a warning letter to West Coast Laboratories, Inc., because the company's joint health supplements, Super ArthGold and Pro ArthMax, were found to contain hidden drugs.
Recalls & Warnings
May 31, 2014
Sellers of "Cancer" Supplements Warned for Drug Claims
Two sellers of graviola supplements promoted to treat cancer have been issued warning letters by the FDA. Graviola (Annona muricata), also known as soursop, is the fruit of a tree native to South America and Puerto Rico.
Recalls & Warnings
March 21, 2014
Products Containing Kratom Recalled Following FDA Import Alert
On March 14, 2014, SNI National issued a voluntary recall of all kratom supplements, including kratom XL 4 Pack, Maeng Da Kratom 10 Pack, Max Kratom 20 Pack, and Bali Kratom 40 pack, following an FDA-issued import alert on all products containing this ingredient.
Recalls & Warnings
July 12, 2013
Herbal Supplement Company Warned For Drug Claims, Manufacturing Violations
On June 18, 2013, the FDA issued a warning letter to Herbs of Light, Inc.
Recalls & Warnings
October 04, 2017
Police Officer Dies From Kratom Overdose, Herb Currently Legal in Most States
A police officer who worked in narcotics in Tupper Lake, New York, died this summer of an overdose of the herb kratom, according to a report from ABC News.
Recalls & Warnings
January 12, 2016
Over $400,000 Worth of Kratom Supplements Seized by U.S. Marshals
On January 6, 2016, U.S. Marshals seized nearly 90,000 bottles of dietary supplements labeled as containing kratom (brand name RelaKzpro) valued at over $400,000, from Dordoniz Natural Products LLC in South Beloit, Illinois. The action was taken at the request of the FDA.
Recalls & Warnings
November 18, 2015
Seller of "Hangover" Supplement Warned for Manufacturing Violations & Drug Claims
On September 17, 2015, the FDA issued a warning letter to Life Support Development Ltd, following a facility inspection which found the company's product, including Life Support Hangover Relief to be adulterated because they prepared, packed, or held under conditions that violate ...
Recalls & Warnings
September 30, 2014
U.S. Marshals Seize $5 Million Worth of Kratom
On September 25, 2014, U.S. Marshals seized more than 25,000 pounds of raw kratom valued at over $5 million from Rosefield Management, Inc. in Van Nuys, California. The action was taken at the request of the FDA.
Recalls & Warnings
September 02, 2016
Kratom To Be Classified a Schedule I Controlled Substance
On August 30, 2016, the U.S. Drug Enforcement Agency (DEA) announced its intent to classify the active compounds (mitragynine and 7-hydroxymitragynine) in kratom as Schedule I controlled substances.
Recalls & Warnings
August 05, 2016
U.S. Marshals Seize $150,00 Worth of Kratom
On August 4, 2016, the FDA announced that U.S. Marshals seized approximately $150,000 worth of dietary supplements labeled as containing kratom from Nature Therapeutics (dba Kratum Therapy). The action was taken at the request of the FDA.
Recalls & Warnings
December 26, 2012
Seller of Blood Sugar, Depression and Sleep Supplements Warned For Making Drug Claims
On October 15, 2012, the FDA issued a warning letter to BioNeurix Corporation after statements found on the company's website, http://www.pharma-tree.com, were found to promote the dietary supplements Blood Sugar 360, Amoryn, Seredyn, and Mellodyn as drugs.
