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Evening Primrose & Flaxseed (ALA/GLA)

Flaxseed Oil, Evening Primrose Oil, Borage Oil, Hemp Oil and Black Currant Oil Supplements Reviewed by ConsumerLab.com

Find the best flaxseed oil, evening primrose oil, borage oil, hemp oil, and black currant oil supplements (sources of omega-3 and omega-6 fatty acids), evidence for use for lowering cholesterol, triglycerides and blood pressure, potential skin benefits and more. Find out which ones passed our tests and why.

Evening Primrose & Flaxseed (ALA/GLA) Review

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CL Answer

I've heard fish oil may be helpful for dry eye. Is this true? How much should I take?

Can fish oil help treat dry eyes? Find out more along with how much to take.

Clinical Update

8/04/2023

Black Currant or Caffeine for Hair?

Does black currant seed oil, or its constituent gamma-linolenic acid (GLA), increase hair growth? Find out what research suggests in the GLA section of our ALA and GLA Supplements Review, which includes our Top Pick for black currant seed oil.

Also find out if applying caffeine to the scalp increases hair growth and reduces shedding in our article about supplements and topicals for hair.

CL Answer

I'm a vegan but my doctor wants me to take fish oil with EPA and DHA. Is there something I can take that would be as good as fish oil capsules but would satisfy the needs of a vegan?

Find out which vegan-friendly fatty acid supplements contain EPA and DHA and how they compare to fish oil.

Vegan Friendly EPA and DHA Supplements -- Fish Oil Pills

News Release

June 29, 2023

ConsumerLab Tests Reveal the Best Turmeric and Curcumin Supplements & Spices

White Plains, New York, June 29, 2023 —  Turmeric and curcumin (a key compound in turmeric) are promoted for uses including osteoarthritis, seasonal allergies, and ulcerative colitis, as well as improving cognition and reducing symptoms of depression.

News Release

December 16, 2022

Is Your Chocolate or Cocoa Healthful or Toxic? ConsumerLab Finds Major Differences Among Products.

White Plains, New York, December 16, 2022 — Although dark chocolate and cocoa can be good sources of potentially heart-healthy, antioxidant flavanols, they can also be contaminated with toxic heavy metals such as cadmium and lead – and consumers can’t judge products from their labels.

Clinical Update

8/04/2013

Supplement Helps Dry Eye

A supplement containing omega-6 (from black currant seed oil) and omega-3 fatty acids (from fish oil) was recently shown to improve symptoms of dry eye. Get the details about this formula (plus our test results of other omega-3 and -6 fatty acids supplements) in the updated Black Currant, Borage, Evening Primrose, and Flaxseed Oils Review >>

Clinical Update

7/18/2024

Black Currant for Osteoporosis Prevention?

Does supplementing with black currant fruit extract improve bone mineral density in peri- and postmenopausal women? Find out what a recent study showed in our article about supplements and diets for osteoporosis.

Clinical Update

10/27/2023

Black Currant & Cholesterol

Did supplementing with black currant extract reduce cholesterol levels among women in menopause? Find out what a recent study showed in our article about supplements for heart health.

Product Review

Vitamin C Supplements Review

Find the Best Vitamin C Supplements

Vitamin C Review 2023

News Release

July 10, 2020

Best and Worst Tuna, Salmon and Sardines? ConsumerLab Tests Reveal Amounts of Omega-3s and Toxic Heavy Metals in Canned and Packaged Fish

White Plains, New York, July 10, 2020 — Canned and packaged tuna, salmon and sardines can be an excellent source of omega-3 fatty acids, but some may also be contaminated with toxic heavy metals such as mercury and arsenic.

News Release

March 12, 2020

ConsumerLab Tests Reveal Big Differences Among Elderberry Supplements

White Plains, New York, March 12, 2020 — Elderberry extracts have long been promoted for fighting colds and flu, and, more recently, as a natural remedy for coronavirus (COVID-19).

CL Answer

Do any supplements or diets help prevent or treat osteoporosis?

If you have osteoporosis, you may be interested in supplements or diets for bone health. Find out which can increase bone strength and density.

Doctor discussing osteoporosis with older female patient

Product Review

Vision Supplements Review (with Lutein, Zeaxanthin & AREDS2 Formulas)

Find the Best Vision Supplement Based Our Tests

CL Answer

Do hair loss supplements, such as Viviscal, Hair La Vie, and Nutrafol, or topical essential oils work?

Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.

Supplements for Hair Loss -- woman looking at hairbrush

CL Answer

Is it better to take fish oil, flaxseed oil -- or both?

Fish oil and flaxseed oil -- how they are different, what they are used for, if and how they can help with arthritis, depression, lowering cholesterol & more.

Flaxseed Oil vs Fish Oil -- Omega-3 Supplements

CL Answer

Which supplements or foods can help lower cholesterol and keep my heart healthy? Are there any to avoid?

Information about heart health supplements & vitamins that help with cholesterol, including sterol esters, CoQ10, and vitamin D, and which may be bad for the heart, like calcium.

News Release

November 27, 2017

Flaxseed and Other Popular Omega 3 & 6 Oil Supplements Tested, But Not All Brands Pass -- Tests of Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements

White Plains, New York, November 27, 2017 — Flaxseed oil and other popular seed oil are popular supplements that provide omega-3 and omega-6 fatty acids and may help with inflammatory conditions. But which seed oil supplements are the best? To find out, ConsumerLab.

Product Review

Elderberry Supplements Review

Find the Best Elderberry Supplement. Tests and Reviews of Popular Elderberry Supplements & CL's Top Picks.

Elderberry Supplements Reviewed by ConsumerLab.com

News Release

September 11, 2017

ConsumerLab.com Tests L-Arginine "Blood Flow" Supplements, Identifying Its Top Picks

White Plains, New York, September 11, 2017 — L-arginine supplements are often promoted to increase exercise endurance, reduce symptoms of congestive heart failure and other cardiovascular conditions, and improve sexual function.

Product Review

Apple Cider Vinegar Review — Bottled Liquids and Supplements

Find the Best Apple Cider Vinegar. See Which Apple Cider Vinegar Liquids and Supplements Passed Our Tests of Quality.

Apple Cider Vinegar Supplements Reviewed by ConsumerLab.com

Product Review

Fish Oil, Krill Oil, and Algal Oil Omega-3 (DHA & EPA) Supplements Review

See Our Omega-3 Top Picks and Avoid Rancid Fish Oils.

Fish Oil and Other Marine Oil Supplements Reviewed by ConsumerLab.com

CL Answer

Is echium oil a good alternative to fish oil? I am allergic to fish.

Echium oil as an alternative to fish oil. Learn more for those with fish allergies, including information on omega-3 fatty acids.

Fish Oil Tablets and Liquid on White Background

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.

Herbal Supplements

Clinical Update

5/10/2015

Flaxseed Oil for Improving Cholesterol?

A recently published study looked at the metabolic effects of taking daily flaxseed oil on middle-aged men. It found a possible benefit among those with higher triglyceride levels, but overall results were not impressive. More about the study, flaxseed oil, whole flaxseed, and our tests and comparisons of products, is found in the Flaxseed Oil, Evening Primrose Oil, Borage Oil, and Black Currant Oil Supplements Review >>

Clinical Update

8/22/2014

Flaxseed Lowers Blood Pressure

Consuming milled flaxseed significantly lowered blood pressure in people with peripheral arterial disease, according to a recent clinical trial. Additional analysis of those results suggests the alpha-linolenic acid (ALA) -- an omega-3 fatty acid -- in flaxseed may be responsible for the effect. Get the details, including the amount of flaxseed used, plus our tests of flaxseed, evening primrose, borage, and other seed oils containing ALA and GLA, in the updated Flaxseed Oil, Evening Primrose Oil, Borage Oil, and Black Currant Oil Supplements Review >>   

Clinical Update

5/05/2013

Omega-6 for Eczema?

Supplements with the omega-6 fatty acid GLA from evening primrose oil or borage oil have long been promoted to treat eczema. However, a recent review of data from 27 studies casts doubt on this use. Get more information about this, and about omega-3 and -6 fatty acids, in the updated Black Currant, Borage, Evening Primrose, and Flaxeed Oil Supplements Review >>

Clinical Update

7/06/2022

Walnuts for Omega-3s?

Walnuts are often touted as a good source of the omega-3 fatty acid ALA, but can eating walnuts regularly increase blood levels of DHA and EPA (the omega-3s in fish oil)? Find out in the What It Is section of our Black Currant Oil, Borage Oil, Evening Primrose Oil, Flaxseed Oil, and Hemp Oil Supplements Review.

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.

Greens Review Oct 2023

News Release

December 21, 2016

Best CoQ10? ConsumerLab.com Tests Popular CoQ10 and Ubiquinol Supplements and Reveals Its Top Picks

White Plains, New York, December 21, 2016 — Although CoQ10 and ubiquinol are among the most popular supplements, wide variations in price, dosage, absorption and bioavailability can make choosing the right product a difficult task. To help, ConsumerLab.

News Release

July 31, 2015

ConsumerLab.com Tests Reveal What's Really in Menopause Supplements and Creams -- Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Reviewed

White Plains, New York, July 31, 2015 — Women looking for relief from hot flashes and other menopausal symptoms often turn to supplements containing estrogen-like isoflavones (from soy or red clover) black cohosh, or creams containing progesterone — but it may be difficult to choose the ...

Product Review

Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams

Choose the Best Menopause Supplement. Find Out Now Which Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Have the Active Compounds You Want!

Menopause Supplements Tested by ConsumerLab.com -- Soy and Red Clover Isoflavones, Black Cohosh, and Progesterone Cream

Product Review

Multivitamin and Multimineral Supplements Review

Best Multivitamins In 2023 -- Caution with Gummies

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.

Black seed oil benefits -- bowl of black cumin seeds and bottle of oil

CL Answer

Can heat and humidity destroy whey protein and other sports nutrition supplements (e.g., creatine, BCAAs, digestive enzymes) during shipping or while storing at home?

Find out if heat and humidity can degrade creatine, BCAAs, digestive enzymes, and other muscle enhancing supplements.

How Heat Effects Whey Protein and Creatine -- Scoop of Protein Powder

News Release

November 25, 2014

You Can't Judge a Dark Chocolate Bar by Its Label, According to Tests by ConsumerLab.com -- Amounts of Cocoa Flavanols Vary Widely Among Popular Brands of Chocolate

White Plains, New York, November 25, 2014 — Which dark chocolates provide the most cocoa flavanols — natural antioxidants associated with better blood flow and memory? Recent tests by ConsumerLab.

News Release

May 07, 2014

Flaxseed and Other Popular Seed Oil Supplements Tested by ConsumerLab.com, But Not All Brands Pass -- Flaxseed, Black Currant, Borage and Evening Primrose Oils Reviewed

White Plains, New York, May 7, 2014 — Plant seed oils are popular supplements that provide omega-3 and omega-6 fatty acids, but which products offer the best value and quality? Recent analyses by ConsumerLab.

Product Review

CoQ10 and Ubiquinol Supplements Review

Find the Best CoQ10 and Ubiquinol Supplements and Learn How They Differ

CoQ10 2024

Product Review

Shelled Walnuts (Halves & Pieces)

See Our Top Picks for Walnuts

Walnuts Review 2023

Product Review

Garlic Supplements Review

Find the Best Garlic Supplements. CL Tests Reveal Big Differences in Garlic Strength -- Some Have Little to No Garlic!.

Garlic Supplements Reviewed by ConsumerLab.com

CL Answer

Black Pepper Extract & Turmeric: Is black pepper extract necessary for turmeric to be effective, and is it safe?

Find out the best way to take turmeric and curcumin supplements to increase absorption and bioavailability. ConsumerLab.com's answer explains.

Is Turmeric Only Effective with Black Pepper? -- Turmeric Supplement and Black Pepper

Product Review

Turmeric and Curcumin Supplements and Spices Review

See Our Top Picks Among Turmeric Products

CL Answer

Will sprinkling black pepper on food with turmeric help increase the bioavailability of curcumin in the turmeric?

Find out how black pepper extract (piperine, Bioperine) in supplements compares with regular black pepper added to foods with turmeric. Plus, safety, side effects and drug interactions with black pepper extract.

Turmeric Supplements and Black Pepper in Wooden Spoon on White Background

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.

Green Tea Review 2024

CL Answer

Will sprinkling black pepper on food with turmeric help increase the bioavailability of curcumin in the turmeric?

Find out how black pepper extract in supplements compares with regular black pepper added to foods with turmeric.

Turmeric Supplements and Black Pepper in Wooden Spoon on White Background

CL Answer

Can bloodroot or "black salve" treat skin cancer? Is it safe?

Bloodroot salve and black salve made from bloodroot and zinc - are they effective and safe treatments for skin cancer? ConsumerLab.com's answer explains.

Elderly Woman Getting Mole on Back Examined By Doctor

CL Answer

Can turmeric or curcumin with black pepper extract cause constipation? I had this problem, but it resolved when I switched to a curcumin supplement without piperine (black pepper extract).

Learn more about black pepper extract, why it is added to turmeric/curcumin supplements, and if it can cause gastrointestinal effects.

Turmeric or Curcumin

CL Answer

What are the health benefits of black garlic?

Find out if black garlic can lower cholesterol, reduce inflammation or has anti-cancer properties, plus how it compares to fresh garlic and other garlic supplements.

Black Garlic Health Benefits -- black garlic cloves up close

Product Review

Bone Broth Review

Find the Best Bone Broth. Find Out How Much Collagen and Sodium Is Really In Popular Bone Broths.

Bone Broth Supplements Reviewed by Consumerlab.com

News Release

July 31, 2013

Watch Out for Fake Bilberry Supplements, Cautions ConsumerLab.com

WHITE PLAINS, NEW YORK July 31, 2013 — Extracts of bilberry, a cousin of blueberry, may help improve vision and have other health benefits, but some bilberry supplements may not contain real bilberry extract -- the type used in most clinical studies. ConsumerLab.

Product Review

Breast Enhancement Supplements Review Article

Do Breast Enhancement Supplements Really Work? See the Evidence For and Against Breast Enhancement Supplements.

Do Breast Enhancement Supplements Work?

News Release

July 12, 2011

ConsumerLab.com tests menopause supplements and creams: Most are "Approved," but some found contaminated or lacking claimed amount of ingredient

White Plains, New York — July 12, 2011 — Women looking for relief from hot flashes and other menopausal symptoms often turn to supplements containing estrogen-like isoflavones (from soy or red clover), the herbal remedy black cohosh, or creams containing progesterone.

CL Answer

Can supplements, natural eye drops, or lifestyle modifications improve symptoms of dry eye?

Can supplements such as fish oil, flaxseed oil or curcumin (from turmeric) help treat dry eyes? Find out, including formulas and doses that have shown benefit. Also, learn if drinking more water or using eye drops containing castor oil, N-acetylcarnosine or aloe can help with dry eye.

Older man with dry eye rubbing his eyes while holding his glasses

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.

Enhancers in Supplements

News Release

January 11, 2011

Spoilage and labeling errors found with some omega-3 and -6 supplements; Review of evening primrose, flaxseed, borage, and black currant oil supplements

WHITE PLAINS, NEW YORK — JANUARY 10, 2011 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Only 11 of 17 products selected for testing met quality criteria for freshness and labeling.

CL Answer

How does white tea compare to green tea and black tea in terms of antioxidant catechins? How about caffeine levels and lead contamination?

Find out how white tea compares to green tea and black tea in terms of antioxidants, caffeine levels and lead contamination.

CL Answer

Are there drug interactions with curcumin or turmeric?

Find out how curcumin/turmeric, and piperine (black pepper extract which is often added to curcumin and turmeric supplements) can interact with nutrient absorption and with other drugs.

Curcumin and Turmeric

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.

Black Tea Top View

CL Answer

Which supplements help with arthritis?

Learn more about supplements for joint health, including products such as Wobenzym and Zyflamend and ingredients such as collagen, curcumin, glucosamine and chondroitin, hyaluronic acid, magnesium, omega-3 fatty acids, palmitoylethanolamide (PEA), SAMe, and others.

Supplements for Osteoarthritis and Rheumatoid Arthritis -- Women With Arthritic Hands

CL Answer

How likely are Americans to be deficient in vitamins or minerals?

Read info based on the CDC about vitamin deficiencies such as vitamin A, B-6, B-12, C, D, and E, folate, and iron in the United States.

Vitamin Deficiency in Men and Women -- doctor's clipboard with information about vitamin deficiency

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.

Tea Tree Oil for Athlete's Foot? -- Bottle of Tea Tree Oil

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.

Rooibos Tea

CL Answer

After taking a curcumin supplement, I started getting chronic diarrhea which went away when I stopped taking it. Can curcumin supplements cause diarrhea?

Learn more about the side effects of curcumin supplements, including diarrhea and other gastrointestinal discomfort.

Turmeric and Diarrhea

CL Answer

How does turmeric spice compare to curcumin (turmeric extract) in supplements? I sprinkle it on my foods and wonder if that's equivalent to taking a supplement.

What is the difference between turmeric spices used in the kitchen and turmeric supplements? Is sprinkling turmeric on my food equivalent to taking a turmeric supplement? ConsumerLab's answer explores this question.

Turmeric Spice vs. Turmeric Supplements

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.

CL Answer

When taking a statin drug like Lipitor or Crestor, are there supplements I should avoid or take?

Learn about the interactions between certain supplements and atorvastatin (Lipitor), rosuvastatin (Crestor), and other cholesterol-lowering statins.

Statin Interactions With Supplements -- close-up of statin medication box and tablets

Clinical Update

10/07/2022

Black Seed for Gastric Ulcers?

Can taking black seed or black seed oil help prevent or treat gastric ulcers? Find out what research suggests in our updated CL Answer: What are the health benefits of black cumin seed (black seed) oil?

CL Answer

I've heard that grapefruit juice can interact with medications because it inhibits an enzyme that breaks down drugs in the body. Do any supplements interact the same way with drugs?

CYP3A4 inhibitors, such as grapefruit, can interact with certain medications by inhibiting the liver enzyme that metabolizes many drugs. ConsumerLab.com's answer explains.

Grapefruit Juice, CYP3A4 and Supplement Interactions -- glass of grapefruit juice and grapefruit halves

CL Answer

I have low blood pressure. Are there any supplements I should avoid?

Find out which supplements can cause decreases in blood pressure, including melatonin, arginine, magnesium, and calcium.

Man taking blood pressure

Clinical Update

5/12/2021

Black Seed Oil for Blood Sugar Control?

Find out if black seed oil improved blood sugar control in people with prediabetes in our updated answer to the question: What are the health benefits of black cumin seed (black seed) oil?

CL Answer

I'm interested in using Himalayan salt. What are the health benefits with it and other specialty salts? Are there contaminants in these salts?

Himalayan salt health benefits, along with other gourmet salts like Hawaiian and Mediterranean. Info including what's in them and their safety.

Himalayan Salt -- spoonful of pink Himalayan salt

Clinical Update

10/13/2023

Black Seed Oil for Knees?

Does black seed oil, taken orally or topically, reduce the pain of knee osteoarthritis? Find out what a recent study showed in our article about black seed oil.

Clinical Update

10/24/2023

Black Seed Oil & Bleeding

Is it safe to take black seed oil along with blood thinning medications such as aspirin? Find out what research suggests in the Safety section of our article about black seed oil.

Clinical Update

10/15/2019

Black Seed Oil Concern

A key compound in black seed oil may interact with medications, causing side effects. For details, see the Safety section of our answer to a question about black seed oil.

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.

Heavy Metals in Tea From China -- pouring green tea into cup

CL Answer

I read that turmeric may be a GI irritant. I have GI problems and wonder if I should avoid turmeric and curcumin?

Find out if turmeric/curcumin supplements can cause gastrointestinal irritability.

Is turmeric a stomach irritant? -- Turmeric Supplement

Clinical Update

10/25/2022

Black Seed for Thyroid Disease?

A CL Member commented that they take black seed oil for Hashimoto’s disease, which affects the thyroid. Is there evidence for this approach? Find out in our article about black seed oil.

Also, see our CL Answer about supplements for thyroid function.

Clinical Update

6/28/2024

Lead in Black (Cumin) Seed?

Does black seed (black cumin) contain lead? Find out what’s known about this in the Safety section of our article about black (cumin) seed oil.

Clinical Update

11/18/2021

Black Seed for COVID?

Can supplementing with black seed help improve symptoms or prevent severe disease among people with COVID-19? Find out what research suggests in our answer to the question: What are the health benefits of black cumin seed (black seed) oil?

CL Answer

Conolidine: Evidence for Pain Relief, Safety, and CONOCB2™ Products Explained

Find out if conolidine, the main ingredient in CONOCB2 Blend, offers natural pain relief without the side effects of opioids. Also learn about the top conolidine products available today.

Three commercial products that contain conolidine

CL Answer

Can any supplements reverse gray hair?

Nearly 75% of adults aged 45 to 65 are affected by gray hair. Learn about what causes gray hair and find out if any supplements can help.

A young woman shows gray hair on her head on a white background

CL Answer

I have been having dizziness for the past few months and am wondering if it could be a side effect of supplements I take. Which supplements cause dizziness?

Find out which supplements that may cause dizziness, vertigo, or imbalance, including garlic, melatonin, saw palmetto, and red yeast rice.

Young Woman Helping Elderly Woman Remain Upright

CL Answer

What is acrylamide? Is it true that coffee and cocoa contain this toxin?

Find out what acrylamide is, how much is found in coffee and cocoa, and how you can minimize your intake of acrylamide.

Acrylamide in Coffee, French Fries & Cookies

CL Answer

How do the Beyond Burger, the Impossible Burger, and a beef burger compare in terms of vitamins and minerals, and which is best?

Read our comparison of the Beyond Burger and the Impossible Burger, plant-based, meat alternative burgers. Compare nutrition, vitamins and minerals. ConsumerLab.com's answer explains.

Beyond Burger vs. Impossible Burger: Nutrition, Vitamins & Minerals -- cooked plant-based burger on bun

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.

Warfarin Supplement Interactions -- bottle of pink warfarin tablets

CL Answer

What are the health benefits of coconut oil and medium chain triglycerides, such as those used in Bulletproof Coffee?

Learn the health benefits of coconut oil and medium chain triglycerides (MCTs), including evidence from Bulletproof Coffee, clinical studies on obesity, skin, and Alzheimer's disease.

Coconut Oil & MCTs -- Coconuts and coconut oil with coffee cup

Recalls & Warnings

March 09, 2022

Court Bars Salud Natural From Selling Aloe, Joint Supplements & More

On March 8, 2022, a federal court ordered Salud Natural Entrepreneur, Inc. to stop distributing nutritional supplements that violate the Federal Food, Drug and Cosmetic Act (FDCA).

CL Answer

Which supplements can help lower my triglycerides?

Find out whether fish oil supplements, or plant-based oil supplements, such as flaxseed oil and echium oil are best for lowering triglyceride levels. ConsumerLab.com's answer explains.

Supplements to Lower Triglyceride Levels -- fish oil capsules and stethoscope

Clinical Update

2/11/2022

Black Garlic for Lowering Cholesterol?

Did aged black garlic extract help lower high cholesterol in a recent study? Find out in our Black Garlic section of our Garlic Supplements Review.

Also see our answer to the question: Which supplements or foods help lower cholesterol and keep my heart healthy?

Clinical Update

1/13/2023

Blackseed Oil for Hair?

Can supplementing with black seed oil, or applying it to the scalp, increase hair thickness and slow shedding of hair? Find out in our updated article about supplements for hair.

Clinical Update

11/28/2013

Lower Vitamin D in Blacks May Be Sufficient

The traditional method of assessing vitamin D levels may not be appropriate for most black people, according to a new study. Due to a genetic variant, this approach classifies many black individuals as "deficient" in vitamin D although their levels may be adequate. For details see the update to the  Vitamin D Supplements Review >> 

CL Answer

Is there a risk of liver toxicity with certain supplements?

Find out if there is risk of liver damage from supplements such as green tea, niacin, red yeast rice and vitamin A.

Liver Shape Made From Paper with Pills and Bottle Against Blue Background

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 foods are a good source of B vitamins?

Find out which foods are a good source of B vitamins (like folate and B-12) and when you should take Vitamin B supplements.

Good Sources of B Vitamins -- selection of healthy foods including eggs, rice, nuts, seeds, salmon, chicken

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.

Green Tea for Flu? -- teapot with green tea

Clinical Update

10/05/2014

Black Cohosh Improves Menopause Symptoms and Decreases Fibroid Size

A popular black cohosh supplement significantly improved symptoms of menopause and decreased the size of fibroids, according to a new clinical study. Among women who, instead, took a hormone replacement drug, menopausal symptoms also improved, but the size of fibroids slightly increased. Get the details, including the brand and dose, in the update to the Menopause Supplements Review >> 

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

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

3/26/2024

Black Cohosh Concern

Use of black cohosh (taken to reduce menopausal hot flashes) may have caused slowed heart rate, according to a recent report. Get the details in our Menopause Supplements Review.

CL Answer

Dietary Supplements and Herbs to Avoid When Breastfeeding

Find out which supplements should be avoided when breastfeeding, including medicinal herbs, soy, and flaxseed.

Herbs and Supplements to Avoid When Breastfeeding

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.

Throat Coat Tea and Potassium Loss -- box of Throat Coat tea

Recalls & Warnings

December 15, 2020

FDA Warns Seller of Evening Primrose Oil and Beta Glucan

On December 2, 2020, the FDA issued a warning letter to Smoky Mountain Naturals, LLC following a review of the company's website, which found statements made about the company's products Evening Primrose Oil and Beta Glucan to be drug claims.

CL Answer

Which is the best pulse oximeter for home use?

Best pulse oximeter for home use (COVID-19, asthma and COPD). Differences between home use and FDA-approved medical pulse oximeters.

Best Pulse Oximeter for Home Use -- Pulse Oximeter

CL Answer

Are there supplements I should avoid when taking apixaban (Eliquis) or similar blood thinner drugs like Xarelto?

Learn about supplement interactions with apixaban (Eliquis), rivaroxaban (Xarelto) and other blood thinner drugs in the direct factor Xa inhibitors class.

Eliquis Supplement Interactions -- box of Eliquis

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.

Smiling Woman Taking White Supplement with Glass of Water

CL Answer

What is Brain Bright and can it really improve memory or cognition?

Learn more about BrainBright, including clinical studies on memory and cognition, safety, and cost.

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.

Castor Oil for Cataracts? -- bottle of castor oil and dropper

CL Answer

Do water filters remove microplastics from tap water?

Find out if water filter pitchers and faucet mounted filters from Brita, Pur, Lifestraw and other brands remove microplastics from tap water.

Water Filters for Microplastics -- water filter pitcher pouring water into glass

CL Answer

What are the best bug sprays to prevent tick and mosquito bites? Is the insecticide permethrin safe to use?

Find out how permethrin sprays differ and which can be used on sheets and sleeping bags versus clothing

Variety of insect repellents on store shelf

Clinical Update

2/04/2017

Caution: Turmeric Drug Interaction

It was recently reported that a man consuming large daily amounts of turmeric experienced kidney toxicity, likely due to an interaction between turmeric and the drug he was taking. Get more details about this and other drug interactions with turmeric, curcumin, and piperine (a black pepper extract often added to curcumin supplements) in the "Concerns and Cautions" section of the Turmeric/Curcumin Supplements Review (which includes our tests of products) >>

Clinical Update

5/29/2020

Probiotic to Reduce Tooth Staining

A probiotic was tested to see if it could reduce the occurrence of black stains (a type of dental plaque) on teeth. Find out if it worked in the What It Does section of the Probiotic Supplements Review. Also see our Top Picks among probiotics.

Clinical Update

6/25/2016

Which Menopause Supplements Really Work?

Certain supplements may be better than others for hot flashes, vaginal dryness or night sweats according to a recent analysis of clinical studies. Get the details for soy, red clover and black cohosh in the "What It Does" section of the Menopause Supplements Review >>

Clinical Update

8/14/2020

Milk Thistle for Menopause?

Can taking milk thistle relieve hot flashes during menopause? Learn what a new study showed in the What It Does section of the Milk Thistle Supplements Review. Also see our Top Pick among milk thistle supplements. (Also see our Menopause Supplements Review for information and reviews of products containing soy and red clover isoflavones, black cohosh, or progesterone cream.)

Clinical Update

2/01/2022

Accuracy of Pulse Oximeters

Find out how pulse oximeter readings may differ if a person is white, Black, or of Asian descent. Also see our Top Pick among home pulse oximeters.

Clinical Update

10/21/2022

D-mannose for Gray Hair?

In response to our article Can any supplements reverse gray hair?, a CL member commented that their white hair began growing black roots after taking D-Mannose. Is there evidence that D-Mannose can affect hair color? See our response.

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

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

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

February 24, 2022

Seller of Essential Oils Warned for COVID-19 Claims

On February 22, 2022, the FDA issued a warning letter to My Natural Treatment following a review of the company’s website and Facebook page, which found statements about the company’s thyme, black seed, eucalyptus, rosemary, and peppermint oil products to be drug claims.

News Release

September 17, 2008

ConsumerLab.com's tests of menopause supplements reveal wide range in strength and quality; mislabeling and contamination discovered -- Soy and red clover isoflavones, black cohosh, and progesterone products tested

WHITE PLAINS, NY — September 17, 2008 — Risks associated with traditional hormone therapy for symptoms of menopause have increased public interest in alternative treatments, particularly dietary supplements. But a report today of recent tests by ConsumerLab.

News Release

December 10, 2007

ConsumerLab.com finds improvement in quality of omega-3 and -6 supplements — Results for 22 products made from evening primrose, flaxseed, borage and black currant oils

WHITE PLAINS, NEW YORK — DECEMBER 10, 2007 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Two products were slightly low in one fatty acid, but this is an improvement over results from ConsumerLab.

Recalls & Warnings

May 16, 2024

Great Value Chia Seeds Recalled Due to Salmonella Risk

On May 10, 2024, Natural Sourcing International issued a recall of one lot of Great Value Organic Black Chia Seeds 32 oz. (sold at Walmart) due to the potential presence of Salmonella.

Recalls & Warnings

November 21, 2014

Seller of "Ebola" Supplement Warned for Drug Claims

On November 18, 2014, the FDA issued a warning letter to the seller of dietary supplement Ebola-C, following a review of the company's website, www.ebola-c.com, which found statements made about the product to be drug claims.

Recalls & Warnings

January 12, 2021

FDA Warns Seller of Turmeric, Ashwagandha, Glucosamine, and More

On December 18, 2020, the FDA issued a warning letter to Reddy Naturals following a review of the company's website, which found statements made about the company's products Glycostasis, Glucosamine Curcumin, Turmeric 50, Turmeric Curcumin, Cetyl Curcumin, Ashwagandha, Huruli, ...

Recalls & Warnings

July 15, 2024

Hard Steel Supplements for Men Recalled

On July 12, 2024, Supercore Products Group issued a recall of Hard Steel Capsules and Gold Hard Steel Liquid which are used for male erectile dysfunction. The FDA analysis found the capsules to contain sildenafil and acetaminophen.

News Release

July 18, 2005

ConsumerLab.com tests menopause supplements — Alternatives to hormonal therapy — Report available for 38 products including soy and red clover isoflavones, black cohosh, and progesterone creams

WHITE PLAINS, NY — July 18, 2005 — ConsumerLab.com has released a new report on the quality of supplements used to treat symptoms of menopause, notably hot flashes.

News Release

July 12, 2005

ConsumerLab.com finds some supplements lower in omega-3 and omega-6 fatty acids than claimed — Report available for 23 products made from oils of black currant, borage, evening primrose and flax

WHITE PLAINS, NY — July 12, 2005 — ConsumerLab.com has released its latest report on the quality of supplements made from the seed oils of black currant, borage, evening primrose, and flax.

Recalls & Warnings

April 17, 2020

Seller of Vitamin D, MSM, Selenium & More Warned for Drug Claims

On March 31, 2020, the FDA issued a warning letter to KetoKerri LLC following a review of the company's website, which found statements made about some of the company's products, including Dr.

Recalls & Warnings

July 06, 2022

Two Companies Banned From Selling Supplements to Treat Heart Disease, Neuropathy

On June 30, 2022, the Federal Trade Commission (FTC) finalized an administrative complaint order against two Texas-based companies, Health Research Laboratories, LLC and Whole Body Supplements, LLC, for making unverified claims that their products can prevent or treat disease.

Recalls & Warnings

May 04, 2023

PrimeZEN Enhancement Supplement for Men Found to Contain Prescription Drug

On April 27, 2023, the FDA issued a warning letter to Tager Online, Inc. DBA Volt Candy; Volt Candy Wholesale Club after FDA laboratory analysis determined PrimeZEN Black 6000, a product promoted to improve sexual function for men, contains tadalafil and sildenafil.

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

February 21, 2013

Pet Supplement Company Issues Recall Due To Potential Bacterial Contamination

On February 20, 2013, animal supplement company Nutri-Vet, LLC issued a recall of Nutri-Vet and NutriPet Chicken Jerky Products because they may be contaminated with Salmonella.

Recalls & Warnings

January 24, 2013

Excessive Lead and Mercury Found In Chinese Herbal Supplements

On January 23, 2013, Health Canada warned consumers that certain batches of the Chinese dietary supplements [W.S.

Recalls & Warnings

November 02, 2012

Maker of Joint Health, Blood Sugar, Prostate, Ginkgo Supplements and More Warned For Drug Claims, Misbranding and Adulteration

On September 10, 2012, the FDA issued a warning letter to Global Source Management & Consulting for making drug claims about the following dietary supplements: Scientific Joint Program capsules, Alpha Lipoic Acid, Healthy Blood Sugar Diabetic Support, Dr.

Recalls & Warnings

November 21, 2017

Bones and Packaged "Bone Treats" Dangerous for Dogs

Giving your dog real turkey or chicken bones, or packaged "bone treats" could lead to serious injury or death, the FDA recently warned pet owners. 

Recalls & Warnings

February 23, 2016

Flax Seed and Chia Powders Recalled

On February 20, 2016, HEALTH MATTERS AMERICA INC., issued a recall of specific lots of Organic Traditions Sprouted Flax Seed Powder and Organic Traditions Sprouted Chia & Flax Seed Powder because they have the potential to be contaminated with Salmonella.

Recalls & Warnings

January 13, 2015

Seller of Speech Disorder Supplement Agrees to Settle FTC Charges of Deceptive Claims

NourishLife, LLC, seller of supplements promoted for treating children's speech disorders, has agreed to pay $200,000 in order to settle FTC charges that claims made on the company's website and in brochures were deceptive and not supported by science.

Recalls & Warnings

May 01, 2021

Hand Sanitizer Sold at Ulta, TJ Maxx, and Marshalls Recalled Due to Toxic Chemicals

On April 28, 2021, Scentsational Soaps & Candles, Inc.

News Release

June 15, 2005

Two magnesium supplements fail testing due to lead contamination. Nineteen others pass. Report now available.

WHITE PLAINS, NY — JUNE 15, 2005 — ConsumerLab.com has released its latest report on the quality of magnesium supplements sold in the U.S. In addition to being an essential mineral, magnesium may help prevent migraine headaches, menstrual pain, PMS, and leg cramps during pregnancy.

News Release

April 27, 2005

ConsumerLab.com finds quality of most nutrition powders and drinks high, but identifies five protein powders with excess sodium or cholesterol — Report Now Available Online

WHITE PLAINS, NY — APRIL 27, 2005 — ConsumerLab.com has released its latest report on the quality of nutrition powders, shakes and drinks. These products are used for general nutrition, dieting, and meal-replacement and are frequently used by athletes and bodybuilders.

News Release

March 30, 2005

ConsumerLab.com finds most B-vitamins of high quality but three lacking in ingredients — Test Results for 41 Products Reported Along with Information on Use

WHITE PLAINS, NY — MARCH 30, 2005 — ConsumerLab.com reported test results today for B vitamin supplements that it recently purchased in the U.S. and Canada.

News Release

March 14, 2005

ConsumerLab.com reports on vitamin C supplements — Test Results for 29 Products Reported Along with Information on Use

WHITE PLAINS, NY — MARCH 14, 2005 — ConsumerLab.com reported test results today for a wide variety of vitamin C supplements purchased at retail. Vitamin C is the top-selling single vitamin in the U.S., with sales of $770 million in 2003 according to Nutrition Business Journal.

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

October 21, 2020

FDA Warns Consumers Not to Use Dangerous Black Salve Products

On October 13, 2020, the FDA warned consumers not to use any products containing black salve, which is often sold as salves or creams with claims to treat or cure cancer, boils, moles, and skin tags.

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

June 13, 2022

“Natural” and OTC Mole, Skin Tag Removal Products Can Be Dangerous, Warns FDA

On June 9, 2022, the FDA warned consumers not to use “natural” or over-the-counter (OTC) products promoted to treat or remove moles, skin tags, and seborrheic keratoses because they can contain potentially dangerous concentrations of salicylic acid or other harmful ingredients.

Recalls & Warnings

December 19, 2020

FDA Finds Unapproved Drugs in Many Weight Loss and Sexual Enhancement Products Sold Online

On December 18, 2020, the FDA warned consumers that certain products promoted for weight loss, body building, sexual enhancement, pain relief, sleep, and other uses because may contain harmful ingredients.

Recalls & Warnings

November 30, 2023

Original The Rock Capsules Recalled Due to Undeclared Sildenafil

On October 18, 2023, Noah’s Wholesale, LLC issued a nationwide recall of one lot of the company’s Original The Rock capsules after FDA analysis found the product to contain undeclared sildenafil, a prescription medication.

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.

Recalls & Warnings

August 20, 2024

Two Sexual Enhancement Supplements Sold on Amazon Recalled

On August 20, 2024, Veata LLC Endurance Pro Energy Boost capsules and Boulla LLC Boom Max capsules were recalled because they contain sildenafil, a prescription medication which is not permitted in dietary supplements.

Recalls & Warnings

September 24, 2024

Supplement for Eczema Recalled

On September 18, 2024, 123Herbals LLC issued a recall for all lots of Vail-Bon Jie Yang Wan capsules, which are promoted to treat eczema and other skin conditions, because they contain undeclared dexamethasone and chlorpheniramine.

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.

News Release

February 08, 2005

ConsumerLab.com reports on nutrition bars — Highlights major differences, inaccuracies, and urges consumers to "know your bar"

WHITE PLAINS, NY — February 8, 2005 — ConsumerLab.com reported test results today for 34 nutrition bars, including those designed for high protein, low-carb/diet, energy, or meal-replacement.

Recalls & Warnings

April 10, 2021

Three More Male Enhancement Products Recalled Due to Undeclared Drugs

Between March 30 and April 5, 2021, three companies issued recalls of their male enhancement capsules because FDA analysis found them to contain sildenafil and/or tadalafil.

Recalls & Warnings

August 11, 2022

Problems With Supplements on Amazon

More than 50% of 30 top-listed immune support supplements purchased on Amazon.com in May of last year were found to list ingredients that could not be found in them with testing, according to a recent report (Crawford, JAMA Network Open, 2022).

Recalls & Warnings

January 19, 2023

Male Sexual Enhancement Supplement Adam’s Secret Found to Contain Prescription Medication

On January 10, 2023, the FDA issued a warning letter to HIS Enterprise Inc dba Adam’s Secret USA, LLC after laboratory analysis found Adam’s Secret Extra Strength 3000 Platinum, Adam’s Secret Extra Strength Blue, Adam’s Secret Extra Strength Purple, Adam's Secret ...

News Release

August 07, 2002

ConsumerLab.com finds some spoilage and inaccuracy among omega-3 and 6 supplements — List released of evening primrose, flaxseed and other GLA/ALA products that passed testing

WHITE PLAINS, NY — August 7, 2002 — ConsumerLab.com, an independent evaluator of health and nutrition products, released results today of its Product Review of Black Currant, Borage, Evening Primrose, and Flaxseed Oils: Sources of ALA and GLA (Omega-3 and -6 Fatty Acids).

Recalls & Warnings

April 25, 2022

Some OTC Skin Lighteners Contain Potentially Harmful Ingredient, Warns FDA

On April 19th, 2022, the FDA issued warnings to 12 companies for selling over-the-counter (OTC) skin-lightening products containing hydroquinone.

Recalls & Warnings

May 09, 2022

Natural Organics Keto Capsules Recalled Due to Gluten

On March 6, 2022, Natural Organics, Inc. issued a recall of four lots of NaturePlus Keto Living Sugar Control Capsules that were found to contain gluten.

Recalls & Warnings

February 09, 2019

Herbal Skin Remedy Recalled, Can Cause Serious Injury

On February 8, 2019, McDaniel Life-Line LLC issued a recall of all lots of Indian Herb a product marketed to be taken orally or applied topically, as a remedy for abnormal skin growths.

Recalls & Warnings

August 15, 2020

FTC Warns 20 More Companies for Coronavirus Claims

On August 14, 2020, the FTC announced that it sent warning letters to 20 companies for selling products such as vitamin C, hydrochloroquine, omega 3, and melatonin with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

September 01, 2020

Custom Nutraceuticals, LLC Warned for Manufacturing Violations

On August 6, 2020, the FDA issued a warning letter to Custom Nutraceuticals, LLC, following a facility inspection which found the company's products, including Thermal Revolution Black, Anabolic Blackout Raspberry Lemonade, Militia Re-COMP, and Rhino Rampage Wildberry to be ...

Recalls & Warnings

November 20, 2020

FTC Files Complaint Against Two Supplement Companies for Deceptive Marketing

On November 20, 2020, the FTC approved a Part 3 administrative complaint against Health Research Laboratories, LLC, its owner Kramer Duhon, and Whole Body Supplements, LLC for making unverified claims that their products can prevent or treat diseases.

Recalls & Warnings

May 09, 2020

FTC Warns 45 More Companies for Coronavirus Claims

On May 7, 2020, the FTC announced that it sent warning letters to 45 companies for selling products such as herbal products, immune system boosters, and vitamin C with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

July 18, 2017

FDA Warns Seller of "Quick Slim with pure Hoodia Gardonii" and "Diabalance Herbal Blood Sugar Balance"

On July 11, 2017, the FDA issued a warning letter to Black Seed Herb, Inc.

Recalls & Warnings

December 24, 2020

Wash-Free Hand Sanitizer With Potentially Toxic Ingredient Recalled

On December 23, 2020, Shane Erickson, Inc.

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

November 10, 2020

FDA Warns Immusist for Drug Claims

On October 16, 2020, the FDA issued a warning letter to Immusist, LLC following a review of the company's website, which found statements made about the company's products IMMUSIST Original and IMMUSIST Natural to be drug claims.

Recalls & Warnings

September 03, 2020

Red-E Male Enhancement Capsule Recalled

On September 1, 2020, The Protein Shoppe, LLC issued a recall of Red-E male enhancement capsules because FDA analysis found it to contain sildenafil.

Recalls & Warnings

December 21, 2019

Supplement Company Continues to Make False Claims About Its Products, Says FTC

The FTC has filed a motion of contempt against two supplement companies that, according to the motion, have continued to promote their products with false claims despite being barred from doing so by a previous court order.

Recalls & Warnings

February 15, 2006

New Zealand Warns of Liver Toxicity from Black Cohosh

On February 9, 2006, New Zealand's Therapeutic Goods Administration (TGA) announced new labelling and consumer information for medicines containing Black cohosh (Cimicifuga racemosa).

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

October 21, 2014

Seller of Weight Loss, Saw Palmetto Supplements and More Warned for Drug Claims

On October 9, 2014, the FDA issued a warning letter to Bethel Nutritional Consulting, Inc., following a review of the company's website which found statements made about 15 Day Detox Diet, Alpha Lipoic Acid. 300 mg.

Recalls & Warnings

February 17, 2018

FDA Reports Prevalence of Salmonella In Retail Spices

An FDA study of 11 different types of spices sold in retail stores throughout the U.S. found the prevalence of Salmonella contamination to be less than 1%. Overall, this was significantly lower than when the same types of spices were tested at the time of import to the U.S.

Recalls & Warnings

June 02, 2018

FDA Warns Seller of Cough Suppressant & Grape Seed Supplements

On March 29, 2018, the FDA issued a warning letter to Yoder's Good Health Products following a facility inspection which found a number of the company's products, including Respiratory & Cough Formula and Life Drops to be adulterated because they were prepared, packed, or ...

Recalls & Warnings

October 17, 2012

Herbal Supplement Company Warned For Manufacturing Violations and Drug Claims

On October 2, 2012, the FDA issued a warning letter to Amazing Herbs Nutraceuticals following a facility inspection which found violations of Current Good Manufacturing Practices (CGMPs) for dietary supplements.

Recalls & Warnings

August 16, 2018

Kratom Recalled Due to Salmonella Risk

On August 14, 2018, Zakah Life, LLC issued a recall of Super Green Maeng Da Premium Kratom powder, Powerful Red Vein Bali Premium Kratom powder, Super Green Maeng Da Premium Kratom capsules, and Powerful Red Vein Bali Premium Kratom capsules because laboratory testing revealed the presence of ...

Recalls & Warnings

May 15, 2019

Titanium 4000 Capsules for Men Recalled

On May 7, 2019, D.B.P. Distribution issued a recall of Titanium 4000, a supplement promoted for male sexual enhancement, because FDA analysis found it to contain sildenafil and tadalafil.

Recalls & Warnings

December 18, 2018

Metal Flakes Reported in Zarbee's Naturals Gummy Multivitamin

Metal flakes were found in a bottle of Zarbee's Naturals Complete Toddler Multivitamin gummies and at least one other Zarbee's product, according to reports by Fox 13 News (Salt Lake City) and USA Today.

Recalls & Warnings

April 29, 2012

FDA Says DMAA Can't Be Sold as a Supplement -- Warns Sellers

On April 27, 2012, the U.S.

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

May 07, 2014

Three Sexual Enhancement Supplements Recalled

On May 5, 2014 , Eugene Oregon, Inc. issued a precautionary, voluntary recall of sexual enhancement supplements African Black Ant, Black Ant and Mojo Risen.

Recalls & Warnings

March 31, 2014

Seven Sexual Enhancement Supplements Recalled Due to Undeclared Drugs

On March 27, 2014, Nova Products, Inc. issued a voluntary recall of sexual enhancement supplements African Black Ant, Black Ant, XZen Gold, ZXen Platinum, XZen 1200, XZone Gold and XZone 1200.

Recalls & Warnings

October 31, 2017

Black Licorice Can Cause Abnormal Heart Rhythms, FDA Warns

On October 30, 2017, the FDA warned consumers that eating 2 ounces of black licorice a day for at least two weeks could cause an irregular heart rhythm or arrhythmia in adults age 40 or older. 

Recalls & Warnings

May 02, 2016

Weight Loss Supplements Containing Hidden Drugs Recalled

On April 29, 2016 Making It A Lifestyle, L.L.C. issued a recall of all lots of weight loss supplements 3rd Degree, Black Gold X Advanced and Black Label X because they were found to contain undeclared sibutramine and sildenafil.

Recalls & Warnings

June 07, 2013

Seller of Red Rice Yeast With CoQ10, Respiratory Supplement And More Warned For Manufacturing Violations and Drug Claims

On February 25, 2013, the FDA issued a warning letter to Altasource, LLC, dba Meta Labs LLC, following a facility inspection which found the company's dietary supplements, including Respiratory Response, African Mango, Coffee Black Salve, Meta-Cell, Conjugated Linoleic Acid and Red Yeast Rice with ...

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

August 16, 2013

Maker of Energy, Weight Loss, Sleep and Vitamin D Supplements Warned for Manufacturing Violations

On July 22, 2013, the FDA issued a warning letter to N.V.E. Pharmaceuticals, Inc.

Recalls & Warnings

October 16, 2014

Seller of Black Cohosh, Ginkgo and More Warned For Manufacturing Violations and Drug Claims

On April 2, 2014, the FDA issued a warning letter to Pure Herbs, Ltd.

Recalls & Warnings

December 18, 2006

Doctor Disciplined for Use of Black Salve Containing Bloodroot

The Casewatch website recently reported that Jerome W. Craft, M.D., a surgeon who practices in West Palm Beach, Florida, has signed a settlement agreement under which he was fined and ordered to stop using an escharotic paste, referred to as "black salve.

Recalls & Warnings

June 13, 2012

FDA Warns of Multiple Violations with "Himalayan Institute" Supplements

The U.S. FDA recently posted a Warning Letter to Himalayn Institute of Buffalo regarding multiple violations of FDA regulations in the production and marketing of its liquid dietary supplement products.

Recalls & Warnings

May 07, 2012

FDA Warns Doctor Promoting Own Supplements Online as Treatments

On April 18, 2012 the U.S. Food and Drug Administration (FDA) sent a Warning Letter to Jacob Teitelbaum, M.D. of Fatigued to Fantastic, LLC regarding the promotion that company's products on its website www.endfatigue.com.

Recalls & Warnings

August 28, 2018

FDA Warns Seller of Goldenseal and Parasite Supplements

On August 15, 2018, the FDA issued a warning letter to Healthy Healing dba Crystal Star, following a facility inspection which found certain statements product labels, including product labels for Women's Best Friend and Para Purge, to be drug claims. 

Recalls & Warnings

November 28, 2014

Seller of Herbal Extracts Warned for Manufacturing Violations, Drug Claims

On November 3, 2014, the FDA issued a warning letter to Avena Botanicals, Inc.

Recalls & Warnings

March 21, 2017

Twenty-one Sexual Enhancement Products Recalled

On March 7, 2017, A&H Focal Inc. issued a recall of the following sexual enhancement supplements because they were found to contain drugs such as sildenafil, tadalafil, vardenafil:

Recalls & Warnings

December 23, 2016

Twelve Sexual Enhancement Supplements Found to Contain Prescription Drug

On December 22, 2016, the FDA warned consumers not to buy or use the following twelve sexual enhancement supplements because they were found to contain undeclared sildenafil. Each was identified during an examination of international mail shipments. 

Recalls & Warnings

January 12, 2016

Twenty-four Male Enhancement Supplements Recalled

On January 9, 2016, R Thomas Marketing LLC. in conjuction with Just Enhance LLC, issued a recall of the following sexual enhancement supplements because they were found to contain sildenafil:

Recalls & Warnings

March 06, 2015

Four Male Enhancement Supplements Found to Contain Drug

On March 5, 2015, the FDA warned consumers not to buy or use the following four sexual enhancement supplements because they were found to contain an undeclared sildenafil. Each was identified during an examination of international mail shipments.

Recalls & Warnings

August 26, 2014

Maker of Herbal Supplements Warned for Manufacturing Violations and Drug Claims

On August 8, 2014, the FDA issued a warning letter to EnerHealth Botanicals, LLC following a facility inspection which found the company's products, including Parasite Purge Herbal Remedy, Black Walnut Extract, Bladder Cleanse Herbal Extract, Lung Renewal Herbal Remedy, EchinOsha and Daily Immune ...

Recalls & Warnings

May 29, 2014

Recall of Sexual Enhancement Supplements Expanded

On May 28, 2014, Eugene Oregon, Inc. expanded its previous recall of certain lots of sexual enhancement supplements African Black Ant, Black Ant, and Mojo Risen. All lots of these supplements are now recalled.

Recalls & Warnings

February 13, 2014

Seller of Iron, Prostate, Valerian and Other Supplements Warned For Multiple Violations and Drug Claims

On January 31, 2014, the FDA issued a warning letter to NatureAll-STF Holding, LLC, following a facility inspection which found the company's products, including Colostrum, Valerian-Plus, Wormwood, Black Walnut-Plus, Lung-Plus, Yucca-Plus (Arthro Plus), Iron Plus, MSM Plus, White Willow Plus, ...

Recalls & Warnings

December 13, 2013

Maker of Menopause Blend and Other Supplement Ingredients Warned by FDA of Violations

On November 21, 2013, the FDA issued a warning letter to Raw Deal, Inc.

Recalls & Warnings

September 03, 2013

Sexual Enhancement Supplements Containing Undeclared Drug Recalled

On August 27, 2013, Hardmenstore.com issued a voluntary recall of sexual enhancement supplements 72HP, Evil Root and Pro Power Max because they were found to contain undeclared sildenafil.

Recalls & Warnings

May 03, 2013

Recall: Two Sexual Enhancement Supplements Containing Undeclared Drugs

On May 1, 2013, American Lifestyle issued a voluntary recall of all lots of sexual enhancement supplements Vicerex and Black Ant because they were found to contain undeclared prescription drugs.

Recalls & Warnings

September 15, 2010

Recall of Testosterone-Boosting Supplement

On September 14, 2010, the FDA posted a notice that KiloSports is recalling Clomed (60 count bottles), a supplement with claims to "release gonadatropin," "elevate testosterone" and "promote spermatogenesis."

Recalls & Warnings

November 17, 2009

Steroids Found in More Body Building Supplements

On November 17, 2009, the U.S.

Recalls & Warnings

January 17, 2017

Seller of Heart, Senior and Teen Supplements Warned For Drug Claims

On December 7, 2016, the FDA issued a warning letter to Esteem Products Ltd following a review of the company's website, which found statements made about its products, Cardio Life, Total Man, Total Woman, Senior Total Man, Senior Total Woman , and Total Teen to be drug ...

Recalls & Warnings

September 04, 2018

Federal Court Shuts Down Maker of Sexual Enhancement Products

On August 30, 2018, the FDA announced that U.S.

Recalls & Warnings

March 30, 2011

More Protein Supplements Recalled for Salmonella Risk

On March 29, the U.S.

Recalls & Warnings

August 20, 2013

Weight Loss Supplement Formulas For Men and Women Recalled Due To Undeclared Drugs

On August 16, 2013, Herbal Give Care LLC issued a voluntary recall of all lots of weight loss dietary supplements Esbelder man, Esbelder fem and Esbelder siloutte because they were found to contain the undeclared drugs sibutramine, N-desmethylsibutramine, and N-di-desmethylsibutramine.

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

August 03, 2017

AMPT "Sexual Enhancement" Coffee Recalled

On August 1, 2017, AMPT Life, LLC, recalled all lots of AMPT Coffee after FDA testing found sildenafil and tadalafil. 

Recalls & Warnings

May 23, 2016

Amino Acid Supplements Recalled

On May 18, 2016, Ultimate Nutrition Inc. issued a recall of its Amino Gold amino acid tablets and capsules because they contain undeclared milk in the form of hydrolyzed whey protein.

Recalls & Warnings

March 12, 2016

FDA Finds Problems at 58% of Supplement Manufacturing Sites in U.S. and Abroad

ConsumerLab.com has obtained results of the FDA's inspections in Fiscal Year 2015 (ending September 30) of 483 dietary supplement manufacturing facilities, showing that most -- 58.2% -- received letters indicating noncompliance with current Good Manufacturing Practices (cGMPs).

Recalls & Warnings

April 05, 2016

Muscle Enhancement Supplement Recalled

On April 5, 2016, Invisiblu International LLC issued a recall of one lot of the muscle enhancement supplement Continuum Labs LGD-Xtreme because it contains LGD-4033 Ligandrol. The risks of this ingredient are not known.

Recalls & Warnings

March 30, 2016

Toxins in Chocolate

On March 23, 2016, As You Sow, a consumer health watchdog group based in California, released results showing that 35 of 50 chocolate products it tested, including chocolate bunnies and eggs, expose consumers to lead and cadmium above levels set by California's Safe Drinking Water and Toxic ...

Recalls & Warnings

August 06, 2016

Some Supplements May Cause or Exacerbate Heart Failure (Includes vitamin E and many herbs)

Taking certain supplements may be dangerous for people with heart failure, according to a statement from the American Heart Association (AHA) which was published in the journal Circulation (August 2, 2016). 

Recalls & Warnings

May 02, 2015

Three Sexual Enhancement Supplements Contain Prescription Drug

On April 30, 2015, the FDA warned consumers not to buy or use the sexual enhancement supplements listed below because they were found to contain sildenafil. Each was identified during an examination of international mail shipments:

Recalls & Warnings

April 08, 2015

Does Your Weight Loss or Sports Supplement Contain Synthetic Amphetamine?

A study published on April 7, 2015, reported that among 21 weight loss, sports and cognitive enhancement supplements labeled as containing the plant extract Acacia rigidula, more than half were found to contain a synthetic, amphetamine-like compound called beta- methylphenylethylamine ...

Recalls & Warnings

August 22, 2015

Synthetic Amphetamine, Less Protein and More Sugar Than Claimed Found in Workout Supplements

On August 7, 2015, the FDA issued a warning letter to New Dawn Nutrition, Inc.

Recalls & Warnings

August 19, 2015

Soylent Meal Replacement Powder Reported to Contain Lead and Cadmium

On August 13, 2015, an environmental-health watchdog group, As You Sow, filed a notice of intent to bring legal action against Soylent, a "meal replacement" powder, alleging violation of California's "Prop 65" Safe Drinking Water and Toxic Enforcement Act ...

Recalls & Warnings

August 15, 2015

FDA Warns Seller of Tainted Enhancement Supplements

On July 31, 2015, the FDA issued a warning letter to R Thomas Marketing following a review of the company's website, which found it sold the male enhancement supplements Black Ant, Herb Viagra, Real Skill and Stree Overlord . These supplements contain the undeclared sildenafil.

Recalls & Warnings

May 26, 2017

Herbal "Sexual Enhancement Coffee" Recalled, One Death Reported

On May 25, 2017, Caverflo.com issued a recall of Caverflo Natural Herbal Coffee, an "herbal" instant coffee promoted for sexual enhancement, because it was found to contain the drugs sildenafil and tadalafil. 

Recalls & Warnings

April 04, 2017

Seller of B Vitamins, Vitamin C, Potassium & More Warned for Manufacturing Violations

On March 24, 2017 the FDA issued a warning letter to The Sanapac Company, Inc.

Recalls & Warnings

October 17, 2017

Organic Tarragon Spice Recalled Due to Salmonella Risk

On October 16, 2017, Organic Spices, Inc. dba Spicely Organics issued a recall of its Organic Tarragon because it has the potential to be contaminated with Salmonella.

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

September 10, 2012

Maker of Omega-3, Bone and Brain and Supplements Warned For Drug Claims

On August 27, 2012, the FDA issued a warning letter to PruTect Rx indicating that statements on the company's websites about Omega3PruTect, NeuroPruTect, VitaminD3PruTect and OsteoPruTect constitute drug claims, although the products are not approved drugs.

Recalls & Warnings

July 22, 2013

Sexual Enhancement Supplements Containing Undeclared Drugs Recalled

On July 18, 2013, Volcano Company issued a voluntary recall all lots of Volcano Male Enhancement Liquid and Volcano Male Enhancement Capsules because they were found to contain undeclared desmethyl carbodenafil, dimethylsildenafil, and dapoxetine.

Recalls & Warnings

May 10, 2013

Seller Of Sexual Enhancement and Hormonal Balance Supplements Warned For Manufacturing Violations

On April 26, 2013, the FDA issued a warning letter to Pristine Bay, L.L.C.

Recalls & Warnings

May 07, 2013

FDA Warns Consumers Of Three More Sexual Enhancement Supplements Containing Undeclared Drugs

On May 7, 2013, the FDA issued a warning to consumers, urging them not to purchase or use three sexual enhancement products which were found to contain undeclared drugs.

Recalls & Warnings

November 21, 2012

Maker of Blood Pressure, Probiotic, Resveratrol and Hormonal Supplements Warned For Manufacturing Violations and Drug Claims

On November 2, 2012, the FDA issued a warning letter to Atrium, Inc. following a facility inspection which found a number of the company's dietary supplements to be adulterated or promoted as drugs.

Recalls & Warnings

November 20, 2013

$2 Million In Weight Loss and "Fat-Burning" Supplements Seized

On November 12, 2013, U.S. Marshals seized more than $2 million worth of supplements from Georgia-based Hi-Tech Pharmaceuticals, Inc.

Recalls & Warnings

October 24, 2014

Shark Cartilage Supplement Recalled

On October 17, 2014, AMS Health Sciences, LLC issued a voluntary recall of one lot of Saba Shark Cartilage Complex because it has the potential to be contaminated with Salmonella.

Recalls & Warnings

March 02, 2015

Hidden Drug Found in Six Sexual Enhancement Supplements

On February 27 and February 28, 2015, the FDA warned consumers not to buy or use the following six sexual enhancement supplements because they were found to contain an undeclared sildenafil. Each was identified during an examination of international mail shipments.

Recalls & Warnings

August 07, 2015

Male Enhancement and Weight Loss Supplement Containing Drugs Recalled

On August 6, 2015 Blue Square Market Inc. issued a recall of the following supplements which were found to contain undeclared drugs:

Recalls & Warnings

March 13, 2015

Three Weight Loss Supplements Found to Contain Drugs

The FDA recently warned consumers not to buy or use the following weight loss supplements because they were found to contain undeclared drugs. Each was identified during an examination of international mail shipments.

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

November 02, 2012

Manufacturer of Prostate, Inflammation and Cholesterol Supplements Warned For Drug Claims

On October 15, 2012, the FDA issued a warning letter to Ortho Molecular Products, Inc. for making drug claims about the following dietary supplements: Candicid Forte, Inflamma-bLOX, Lipitrol, Mucosagen, Prostatrol Forte, Resvoxitrol, Paracid Forte, VascuPak HTN and Lithium Orotate.

Recalls & Warnings

April 04, 2013

Three More Sexual Enhancement Supplements Found To Contain Undeclared Drugs

On April 3, 2013, the FDA warned consumers that the sexual enhancement supplements AFFIRM XL, Love Rider and Ninja Mojo were found to contain undeclared erectile dysfunction drugs. Consumers are urged to stop using these supplements immediately.

Recalls & Warnings

October 24, 2012

FDA Seizes Many Supplements from New York Company Due To Drug Claims

On October 23, 2012, U.S. Marshalls, acting on behalf of the FDA, seized dietary supplements and unapproved drugs from Confidence, Inc., a supplement manufacturer in Port Washington, N.Y. The products included dietary supplements Dr.

Recalls & Warnings

August 16, 2013

Ginkgo, Milk Thistle, Cleanse and Nopal Supplement Maker Warned For Manufacturing Violations, Drug Claims

On July 23, 2013, the FDA issued a warning letter to Natural Products Services, Inc.

Recalls & Warnings

August 01, 2013

Fat Loss and Muscle Enhancement Supplements Found To Contain DMAA

On June 17, 2013, the FDA issued a warning letter to Formulife, Inc., dba Purus Labs, Inc., following a facility inspection which found the dietary supplements Fat Smack XR Thermolipolytic, Muscle Marinade Fresh Fruit and Muscle Marinade Cherry Limeade to contain DMAA.

Recalls & Warnings

April 08, 2003

FDA Acts Against Potentially Risky Products Illegally Marketed as Street Drug Alternatives

On March 31, the Food and Drug Administration (FDA) announced enforcement actions against firms that are marketing street drug alternative products, some of which contain ephedra or other sources of ephedrine.