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CL Answer

Does nicotinamide riboside (as in Niagen and Basis) really have anti-aging or other health benefits?

Niagen (Nicotinamide riboside) information, including if it actually provides anti-aging or other health benefits. ConsumerLab explores this question.

CL Answer

Do face creams, anti-aging serums, and acne gel treatments containing vitamin A or retinol reduce bone density or increase the risk of fractures?

Find out if using face creams, anti-aging serums, or acne gel treatments containing vitamin A or retinol can reduce bone mineral density or increase the risk of fractures,

Retinol Cream Effects on Bone Density

Product Review

DHEA Supplements Review

Choose the Best DHEA Supplement. Beware of Big Differences in Dose and Price.

DHEA Supplements Tested by ConsumerLab.com

CL Answer

What is Marine-D3 with Seanol-P, and does it live up to anti-aging claims?

Learn about the evidence for Marine-D3, a supplement from Marine Essentials that contains Seanol, including evidence from clinical studies on aging.

CL Answer

What is BPC-157, what is it used for and is it safe?

Find out about BPC-157, including what it's promoted for and if it is safe.

White capsules vials and a syringe on a blue background

Product Review

NAC (N-Acetyl Cysteine) Supplements Review

Choose the Best N-Acetyl Cysteine Supplement. See Our Tests of Popular NAC Supplements and Top Picks for Quality and Value.

N-acetyl cysteine (NAC) supplements tested by ConsumerLab.com

CL Answer

Is the Resurge supplement a scam? I'm having trouble getting a refund.

Resurge supplement scam? ConsumerLab has received several complaints from unhappy consumers who purchased Resurge and said they did not receive the product or a refund.

Are Resurge Supplements a Scam? -- Bottle of Resurge

CL Answer

What are the health benefits of luteolin, and is it safe?

Find out if luteolin, a compound found in many fruits and vegetables, is beneficial for cancer, heart health, skin aging, age-related cognitive decline, and other conditions, and learn if it's safe.

Luteolin containing vegetables including celery peppers lettuce and spinach

Product Review

NAD Booster Supplements Review (NAD+/NADH, Nicotinamide Riboside, and NMN)

How Important Is Boosting NAD+ Levels? Find Out and Learn How Booster Supplements Compare.

NAD Boosters (NAD+/NADH, Nicotinamide Ribose, and NMN)

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.

Jiaogulan (Gynostemma pentaphyllum) -- Gynostemma herb and capsules

Clinical Update

6/08/2021

GlyNAC vs. NAC

What is GlyNAC, how does it compare to NAC, and does it have anti-aging effects? Find out in the What It Does section of our N-acetyl cysteine (NAC) Supplements Review. Also, see our Top Picks for NAC.

Clinical Update

4/03/2018

What Niagen Does

Niagen (nicotinamide riboside) has been promoted as an anti-aging supplement. Find out what's been shown in clinical studies, including one published recently, in the Niacin section of the B Vitamin Supplements Review.

Clinical Update

6/19/2019

NAD+ and Cancer?

Supplements that raise NAD+ levels in the body have been promoted for anti-aging effects. But there is a theoretical risk that they could stimulate cancerous cells, and a CL member reported this week that a supplement containing such an ingredient, nicotinamide riboside, appeared to increase his PSA level. Learn more in the Niacin section of the B Vitamin Supplements Review.

CL Answer

Do any supplements reduce wrinkles, increase skin elasticity, or tighten the skin?

Learn about collagen, biotin, CoQ10, cocoa, soy isoflavones, phytoceramides, and other supplements for reducing wrinkles and improving aging skin.

Elderly Woman Smiling Looking in Mirror

CL Answer

What is the best sunscreen based on safety and efficacy?

We’ve boiled down the latest research about mineral and chemical sunscreens, including product tests, to help you choose the best sunscreen (which will depend on whether you expect to be in or out of the water). We also list popular sunscreens that have, or have not, been found to contain cancer-causing compounds (benzene and benzophenone).

Carcinogens in Sunscreens - Bottle of sunscreen with a question mark

CL Answer

10 Supplements That May Boost Testosterone (And 13 That May Not)

Many supplements promise to increase testestorone, boost libido, and increase muscle size, but, as ConsumerLab explains, the actual effectiveness of supplements is limited, and some supplements may actually reduce testosterone levels.

Chalkboard sign that says low testosterone sitting on a table in front of a book and supplements

Product Review

B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)

See Our Top Picks and Which 5 Failed Testing

B Vitamins Review 2024

News Release

September 11, 2021

Best CoQ10 and Ubiquinol Supplements Identified in Testing by ConsumerLab

White Plains, New York, September 11, 2021 — CoQ10 and ubiquinol, the active form of CoQ10, are often taken to offset a decline in natural levels that occurs with the use of statin (cholesterol-lowering) medication, and are also promoted for increasing energy and anti-aging effects.

Product Review

PQQ (Pyrroloquinoline Quinone) Supplements Review

Learn What PQQ Does and Which PQQ Supplements are Best

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

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

Is it safe to consume fish oil as a long-term food supplement?

Learn more about fish oil supplement safety including long-term use, side effects, and more.

Fish Oil

Product Review

Alpha-Lipoic Acid Supplements Review

Choose the Best Alpha-Lipoic Acid Supplement — See the Amounts of Active "R-Isomer" We Found

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

Melatonin Supplements Review

Trouble Sleeping? See CL's Tests of Melatonin Supplements and Top Picks.

Melatonin Review 2024

News Release

June 26, 2020

No Garlic in Some Garlic Supplements? -- Best and Worst Garlic Supplements Revealed in Tests by ConsumerLab

White Plains, New York, June 26, 2020 — Garlic can modestly reduce total cholesterol levels and blood pressure, and it may help prevent colds. However, recent ConsumerLab tests revealed that the strength of garlic supplements on the market varies widely, and some may not contain any garlic.

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.

Product Review

Turmeric and Curcumin Supplements and Spices Review

See Our Top Picks Among Turmeric Products

News Release

July 22, 2015

ConsumerLab.com Tests DHEA Supplements, Warns of Differences in Dose and Price

White Plains, New York, July 22, 2015 — DHEA is a controversial hormone supplement touted for anti-aging effects — but what can it really do? ConsumerLab.com reviewed the evidence and purchased many popular brands of DHEA to test their quality.

CL Answer

What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?

Phytoceramide supplement information, including what they are, what they claim to do, and if they have anti-aging effects.

Phytoceramides for Aging Skin? -- woman looking at skin up close in mirror

Product Review

Holy Basil Supplements Review

Find the Best Holy Basil (Tulsi) Supplements. Tests and Reviews of Popular Holy Basil Supplements & CL's Top Pick.

Holy Basil Supplements Reviewed by ConsumerLab.com

Product Review

Noni Juice and Supplements Review Article

What Are the Benefits of Noni Juice? Get the Facts About Noni Juice and Supplements.

CL Answer

I've been using a lutein supplement with 40 mg of lutein and am concerned that this dose may be too high. Are there known harmful side-effects?

Learn more about lutein side effects, proper dosage and safety in vision supplements.

Lutein

CL Answer

Is it true that taking a statin drug negates the benefits of taking fish oil supplements?

Information on the interaction between statins and fish oils and omega-3 fatty acids.

Taking Statins & Fish Oil -- fish oil capsules and stethoscope

Product Review

Mangosteen Juice and Supplements Review Article

What Are the Benefits of Mangosteen Juice and Supplements? Find Out What Mangosteen Can and Cannot Do For Your Health.

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

CL Answer

Does glucosamine raise "bad" LDL cholesterol?

Learn more about the link between glucosamine and cholesterol, including evidence from clinical studies.

Supplements and Water in Hand

Recalls & Warnings

June 09, 2005

FTC Cracks Down on "HGH" Supplements; $20 Million in Consumer Redress

On June 9, 2005, The Federal Trade Commission (FTC) announced that two Florida businesses have agreed to a federal court order requiring them to pay up to $20 million in consumer redress – the largest monetary judgment ever obtained in an FTC health fraud case – to settle charges that they ...

Product Review

Resveratrol Supplements Review (From Red Wine, Knotweed, and Other Sources)

See Which Resveratrol Supplements Were Best In Our Tests and Comparisons. Learn What Resveratrol Can and Can't Do.

Review of resveratrol supplements tested by ConsumerLab.com, including ratings and comparisons of product quality, price, and ingredients.

CL Answer

What is hesperidin, what is it used for and is it safe?

Learn about hesperidin, including whether its beneficial for heart health, problems with circulation, stroke, cognitive function, depression, cancer and other conditions, and find out if it is safe.

A glass of orange juice sitting on a table and surrounded by sliced and whole oranges

News Release

December 16, 2013

What's Really in Turmeric Supplements and Spices? You May Not Want to Know -- 33% of Turmeric/Curcumin Supplements Fail ConsumerLab.com's Review; Filth Found in Spices

White Plains, New York, December 16, 2013 — Supplements containing the herb turmeric or its key constituent, curcumin, are popular treatments for inflammatory diseases. ConsumerLab.

CL Answer

What is hydrogen water? Is it beneficial for alertness, athletic performance, arthritis or other conditions, and is it safe?

Find out if hydrogen water has benefits with regard to alertness, side effects of radiotherapy in cancer patients, metabolic syndrome, athletic performance, rheumatoid arthritis, liver disease, and other conditions, and learn if it is safe to use.

Portable hydrogen water generator

CL Answer

Can taking too much vitamin B-12 be dangerous? The label on my B-complex states it contains 50,000% of the Daily Value!

Find out the daily value for vitamin B-12 and the potential side effects of taking too much B-12. ConsumerLab explains why taking too much vitamin B-12 can be harmful.

The danger of taking too much vitamin B-12 -- bottle of vitamin B-12 with pills on the table spelling out 'B-12'

CL Answer

Does taking curcumin and boswellia together increase their individual anti-inflammatory effects?

Find out if taking boswellia and curcumin together can increase their individual anti-inflammatory effects. ConsumerLab.com's answer explains.

Curcumin and Boswellia for Knee Pain -- Older woman with osteoarthritis holding knee in pain

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.

a cup of mullein tea on a table next to mullein flowers and leaves

CL Answer

Do any supplements help treat or reduce the pain of plantar fasciitis (heel pain)?

Plantar fasciitis causing heel pain has, in rare cases, been reported as a symptom of vitamin D deficiency. Other supplements that have been proposed to help include vitamin C, zinc, curcumin (from turmeric), bromelain, collagen and glucosamine. Find out what the evidence shows, and what other treatments may help.

Supplements for Plantar Fasciitis -- Woman With Heel Pain

CL Answer

What are the health benefits of andrographis? Can it treat colds, help with joint pain, or other conditions, and is it safe?

Learn about the health benefits of andrographis, whether it can help relieve cold symptoms, reduce pain and stiffness of osteoarthritis or rheumatoid arthritis, decrease symptoms of ulcerative colitis, or slow the growth of cancer. See the clinical evidence for the branded andrographis extract ParActin. Plus, learn about dosage, side effects and drug interactions with andrographis.

Andrographis

Recalls & Warnings

May 05, 2022

Seller of CBD Tinctures, Creams & Pet Products Promoted for Pain, Cancer & More Warned by FDA

On February 11, 2022, the FDA issued a warning letter to Rena’s Organic following a review of the company’s social media and website, which found statements about the company’s 300 mg CBD Full Spectrum Oil Cannabinoid Tincture, 600 mg CBD Full Spectrum Oil Cannabinoid ...

News Release

March 05, 2013

CoQ10 & Ubiquinol Supplements Should Be Chosen Carefully, Cautions ConsumerLab.com -- Less Than 4% of Listed Ingredient Found in Widely-Sold Product

White Plains, New York — March 5, 2013 — A new report from ConsumerLab.com highlights the difficulty consumers have in selecting a supplement containing the anti-oxidant CoQ10 or its activated form, ubiquinol. ConsumerLab.

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

December 20, 2011

Choose zinc supplements carefully -- ConsumerLab.com finds only some have dosage proven to shorten colds, reduce eye disease

White Plains, New York — December 20, 2011 — Can zinc supplements shorten colds and reduce the progression of advanced macular degeneration? "Yes, but not all supplements provide a dosage that has been proven effective." says Tod Cooperman, M.D., President of ConsumerLab.com.

News Release

June 16, 2011

ConsumerLab.com puts multivitamins to the test

June 16, 2011, New York, NY — Laboratory test results of 60 multivitamins have shown that you can't always judge a supplement by its label—or by its price. "Consumers should know that multivitamins vary widely in quality, "says Tod Cooperman, M.D., President of ConsumerLab.com.

CL Answer

Which supplements and foods can help lower or control blood sugar?

Find out which supplements can help lower or control blood sugar. Supplements including turmeric/curcumin, fiber, cinnamon, and ginseng are believed to help lower blood sugar.

Blood Sugar Control -- blood test and blood sugar chart

CL Answer

Does cat’s claw have any health benefits and is it safe?

Cat's claw is promoted for numerous conditions, including arthritis (including osteoarthritis and rheumatoid arthritis), Alzheimer's disease, viral infections, boosting immune response to vaccination, and reducing side effects of chemotherapy. Find out if it works and if it's safe.

Cats claw extract capsules in a bowl on a table

CL Answer

What are the health benefits of tart cherry juice?

See the evidence for tart cherry juice health benefits from clinical studies. Find out if tart cherry has anti-inflammatory effects, if it can improve sleep, lower high blood pressure, or help for muscle pain and osteoarthritis.

Tart Cherry Benefits -- glass of cherry juice and two tart cherries

Recalls & Warnings

December 08, 2009

Warning on Acai Berry Supplements Spiked with Drug

On December 8, 2009, Health Canada (the Canadian health agency) advised consumers not to use certain Acai Berry products after a large number of shipments of adulterated products were stopped at the border.

CL Answer

What are the symptoms of B12 deficiency?

B12 deficiency symptoms include fatigue, depression, numbness and tingling in the legs, loss of balance, changes in skin and hair, and others. Find out who is a greater risk for B12 deficiency, and how B12 supplements can help. ConsumerLab.com's answer explains.

Symptoms of B12 Deficiency -- paper with question "Are you getting enough vitamin B12" and boxes to check yes or no

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.

Supplements for Acne and Clear Skin -- Woman taking fish oil supplement

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

Recalls & Warnings

June 02, 2020

FTC Sends Refund Checks for "ReJuvination" Supplement

On June 1, 2020, the FTC announced it is mailing 1,310 checks totaling nearly $149,000 to consumers who purchased ReJuvination, a product deceptively marketed as a cure-all for various age-related conditions, including cell damage, heart attack damage, brain damage, and deafness.

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.

Fisetin Supplements on Wooden Plate with Strawberries

Recalls & Warnings

January 12, 2021

Seller of Cholesterol, Weight Loss Products, and More Warned for Claims

On November 17, 2020, the FDA issued a warning letter to Bonagens following a review of the company's website, which found statements made about the company's products Anti-Aging Supports, Cholesterol & Diabetes Control, Gout Control, Hypertension Control, Liver Supports, Lungs ...

CL Answer

Do any supplements help for varicose veins or chronic venous insufficiency?

Find out which supplements help for varicose veins and chronic venous insufficiency, including citrus bioflavonoids and grape seed extract.

Varicose Veins

CL Answer

Can any supplements be used to reduce inflammation in people sensitive to NSAIDs such as ibuprofen, high-dose aspirin, or naproxen?

Find out if supplements such as turmeric, fish oil, MSM (methylsulfonylmethane), SAMe (S-adenosyl-methionine), boswellia, ginger, white willow bark or arnica may, or may not, be helpful to people sensitive to NSAIDs.

Woman with NSAID-hypersensitivity looking at two supplement containers and wondering if they are safe to take

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.

Chuchuhuasi for Inflammation & Back Pain? -- Woman With Back Pain Sitting, at Desk Drinking Tea

CL Answer

What are the symptoms of vitamin B6 deficiency?

Learn more about symptoms of B6 deficiency, who is more likely to be deficient in vitamin B6 as well as how much vitamin B6 you should be getting. ConsumerLab.com's answer explains.

Woman in White Tee Holding Wrist

CL Answer

Butyrate Supplements for Gut Health: Does butyric acid really work and is it safe?

Can butyrate supplements improve gut health or help reduce symptoms of irritable bowel syndrome (IBS) or Crohn's disease? Find out what the clinical evidence shows, learn about the different forms of butyrate, including sodium butyrate, calcium-magnesium butyrate, and tributyrate, and get details about products such as BodyBio Sodium Butyrate and Healus Complete Biotic Tributyrin, dosage, safety and cost.

Butyrate Supplements

CL Answer

Can baking soda really help treat rheumatoid arthritis?

Find out if there is evidence showing that baking soda (sodium bicarbonate) can help for rheumatoid arthritis. Plus, get information about safety and drug interactions with baking soda. ConsumerLab.com's answer explains.

box-of-baking-soda

CL Answer

What are the health benefits of serrapeptase?

Serrapeptase is a proteolytic enzyme. Learn more about its health effects, including whether evidence supports its use for pain, inflammation, and heart health.

Serrapeptase for Inflammation and Pain

CL Answer

Which supplements help for osteoarthritis of the hip?

Supplements for hip pain and osteoarthritis, such as SAMe, ginger and collagen, may help or reduce pain.

Woman Holding Hip from Pain

News Release

March 08, 2011

ConsumerLab.com reviews CoQ10 and ubiquinol supplements -- Tests show quality to be high, but large differences found in dosage, formulation, and cost

WHITE PLAINS, NEW YORK — MARCH 8, 2011 — A new report by ConsumerLab.com highlights the difficulty consumers may have in selecting a supplement containing the anti-oxidant CoQ10 or its activated form, ubiquinol. CoQ10 is among the most popular dietary supplements in the U.S.

CL Answer

At-Home COVID Tests: How They Compare and What You Need to Know

Coronavirus (COVID-19) Tests: Where to get COVID-19 tests, including information about free testing, home testing and more. Information about SARS-CoV-2 virus tests, antibody tests and FDA authorized tests.

Home Test COVID

CL Answer

Does ergothioneine help prevent age-related problems such as impaired cognition, Alzheimer’s disease, Parkinson’s disease or cataract, and is it safe?

Learn about ergothioneine and its potential use for cognitive impairment, dementia, Alzheimer's disease, Parkinson's disease, cataract, or kidney disease, as well as its safety and cost of supplements containing this ingredient.

Various types of mushrooms that contain ergothioneine in a wooden bowl on a wooden countertop

CL Answer

What is shilajit? Does it have any proven health benefits, and is heavy metal contamination a concern?

Shilajit information, including its potential health benefits, safety, proper doses and impact on male health.

Shilajit Health Benefits -- blister pack of shilajit tablets

CL Answer

What' the Best Way to Take Vitamin B-12? Dosage and Absorption Tips

Discover the optimal dosage and ways to take vitamin B-12, an essential nutrient, for better absorption and effectiveness and learn about possible side effects.

Vitamin B12 Dosage, Benefits, Uses & Deficiency -- B12 Bottle and Tablets

CL Answer

Is Rhodiola rosea effective for depression and does it have other uses? Will ConsumerLab.com be testing these supplements?

Learn more about Rhodiola rosea, it's impact on depression and anxiety, including evidence from clinical studies and safety.

Rhodiola for Depression? -- rhodiola capsules

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).

MS 3

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

Do any supplements, foods or lifestyle modifications help with brain function, like memory and cognition?

Find out which supplements help improve memory, brain function and cognition, including fish oil, some B vitamins, cocoa, and curcumin. ConsumerLab's answer explains the evidence for supplements promoted to help with brain function and cognition.

Supplements for Memory -- doctor holding a model of a brain and fish oil capsule

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.

Supplements for Coronavirus (COVID-19)? -- mask and pills

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.

Silhouette of mans head with coffee beans in place of brain

Recalls & Warnings

December 01, 2020

Niagen Cannot Be Promoted to Prevent or Treat COVID-19, Warns FDA

On November 17, 2020, the FDA issued warning letters to the sellers of Niagen and Nadovim, supplements that contain different forms of niacin, for selling products with unsupported claims that they can treat coronavirus (COVID-19).

CL Answer

Do CoQ10 levels really decrease with age?

Find out if CoQ10 levels decrease with age in the blood, brain & heart and at what age these decreases begin.

CL Answer

What is GABA (gamma-aminobutyric acid)? Is it beneficial for stress, anxiety, insomnia or other conditions, and is it safe?

Find out about GABA (gamma-aminobutyric acid), including if it's beneficial for insomnia, epilepsy, stress and anxiety, high blood pressure and building muscle, and learn if taking GABA supplements is safe.

Older women sitting calmly on a couch with her hands behind her head and her eyes closed

CL Answer

What is graviola? Can it really help fight cancer?

Learn more about graviola, if it can really help fight cancer, and its safety.

Graviola on white background

CL Answer

Does Provitalize work for weight loss and is it safe?

Find out if taking Provitalize, a probiotic supplement that also contains turmeric extract, moringa leaf extract, curry leaf extract and piperine (BioPerine), relieves joint pain, decreases abdominal fat, or helps with weight loss.

A bottle of Provitalize

CL Answer

What is lactoferrin and will it really strengthen my immune system?

Info about lactoferrin supplements, clinical evidence for strengthening the immune system, preventing or treating colds, gut health and treating H.

What is Lactoferrin? -- lactoferrin capsules and bottle

News Release

February 16, 2011

Some turmeric and curcumin supplements fail quality review -- ConsumerLab.com finds 20% of turmeric supplements selected for review deliver less than 15% of promised compounds

WHITE PLAINS, NEW YORK — FEBRUARY 16, 2011 — Supplements containing the herb turmeric or its key compound, curcumin, have become popular in the U.S. ConsumerLab.com cautioned today that two out of ten turmeric products recently selected for quality testing were found to provide only 7.

News Release

December 14, 2010

DHEA supplements, touted for anti-aging and strength, reviewed by ConsumerLab.com. Testing finds one brand with only 14.7% of labeled amount

WHITE PLAINS, NEW YORK — DECEMBER 14, 2010 — Recent tests of DHEA supplements showed that most products contained their claimed amounts of the controversial ingredient, but one provided only 14.7% of its listed amount, the testing company ConsumerLab.com reported today.

News Release

October 07, 2009

ConsumerLab.com finds that only two-thirds of alpha-lipoic acid supplements selected for testing pass quality review -- Anti-oxidant supplements helpful to diabetics

White Plains, New York — Wednesday, October 7, — Alpha-lipoic acid (also called lipoic acid) is a natural anti-oxidant that can help diabetics reduce symptoms of peripheral neuropathy and control blood sugar, among other uses. ConsumerLab.

News Release

February 03, 2009

Survey shows fish oil nearly as popular as multivitamins among supplement users. Most also take calcium and CoQ10 -- ConsumerLab.com publishes 2009 Report on Vitamin & Supplement Users, including top-rated brands and merchants.

WHITE PLAINS, NEW YORK — FEBRUARY 3, 2009 — Among people who use dietary supplements, fish oil supplements are nearly as popular as multivitamins, according to a recent survey by ConsumerLab.com, which also publishes test reports on supplements.

CL Answer

What is the difference between the RDA and the DV for vitamins and minerals?

Find out the difference between RDAs (Recommended Daily Allowances) and DVs (Daily Values) for vitamins and minerals, as well as new changes to Daily Values. ConsumerLab.com's answer explains.

Multivitamin Daily Value Percentages Close Up

CL Answer

Will pregnenolone help slow down aging or reduce chronic pain?

Learn more about the steroid hormone pregnenolone, including its effects in the body and on aging and chronic pain.

Elderly couple yoga pose in sunshine

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

Which vitamins and minerals should someone over 70 take?

Find out which vitamin and mineral supplements men and women age 70 and older should take, recommended intakes for vitamin D, B6, B12, iron, plus multis, vision supplements, protein and more.

Vitamins and Minerals for People Age 70 or Older

CL Answer

What are the side effects of glucosamine and chondroitin?

Learn the side effects of glucosamine and chondroitin supplements for joint health and joint pain, including stomach upset, headache, and many others. ConsumerLab.com's answer explains.

Review of Supplements for Joint Pain

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.

Man Clenching Stomach

CL Answer

What are the best supplements for depression and anxiety?

Best natural supplements for depression and anxiety, including the evidence for fish oil, vitamin D, probiotics, and herbal supplements for depression such as curcumin (from turmeric) and saffron.

Best Supplements for Depression and Anxiety -- sad young woman sitting on couch, looking toward the window

CL Answer

Does saffron really improve vision or prevent age-related macular degeneration?

Taking saffron may be beneficial in the early stages of age-related macular degeneration and for eyesight.

Saffron and Rep Capsules Against White Background

CL Answer

What are the health benefits of palmitoylethanolamide (PEA), and is it safe?

Palmitoylethanolamide (PEA) is commonly promoted for its anti-inflammatory and pain-relieving effects. Find out if it works.

Woman holding her wrist due to joint pain

CL Answer

8 Supplements That May Help Treat Peptic Ulcers – And Some to Avoid

Peptic ulcers caused by H. pylori infection are typically treated with antibiotics, but certain supplements may also help. Find out which 8 supplements might be beneficial - and which should be avoided.

Supplements for peptic ulcer disease - young man with stomachache

CL Answer

Is it true that taking calcium supplements increases the risk of developing age-related macular degeneration (AMD)?

Find out if calcium from supplements or antacids can increase the risk of developing age-related macular degeneration. ConsumerLab.com's answer explains.

Calcium Review 2024

CL Answer

Does Arthrozene help with joint pain, and is it safe?

Arthrozene by Fisico is promoted for joint stiffness, soreness and discomfort. Find out if it is likely to help and if it is worth the cost.

Container of Arthrozene supplements

CL Answer

Does OsteoMD improve calcium absorption and increase bone density?

ConsumerLab reviews the evidence for OsteoMD by 1MD, a bone health supplement promoted to slow bone loss and reduce the risk of osteoporosis.

OsteoMD by 1MD

CL Answer

Which supplements may benefit people with essential tremor, and which should be avoided?

Learn about supplements used for treating essential tremor, including caprylic acid (also called octanoic acid), thiamin (vitamin B1), cannabidiol (CBD), GABA (gamma-aminobutyric acid), and branched-chain amino acids. Find out which work and which don't. Also find out which supplements and food may make essential tremors worse.

Man with essential tremor holding a cup with his right hand and bracing his wrist with his left hand

CL Answer

What are the health benefits of amla and is it safe?

Learn about amla (Indian gooseberry), including its potential health benefits and possible safety concerns.

Amla supplement capsules being poured onto a wooden table with amla fruit in the background

CL Answer

Do any supplements, like Nervive, help with nerve pain, like sciatica, diabetic neuropathy or postherpetic neuralgia?

Find out which supplements for nerve pain, including fish oil and alpha-lipoic acid, are effective for sciatica, diabetic neuropathy, or postherpetic neuralgia.

CL Answer

Which supplements are helpful for age-related macular degeneration (AMD)?

Find out which vitamins & supplements are helpful for macular degeneration (AMD), such as lutein, zeaxanthin, and others used in the AREDS studies.

Supplements for Macular Degeneration -- woman getting eye examination

CL Answer

Does Longevinex resveratrol really help for age-related macular degeneration?

Longevinex resveratrol information including how it helps age-related macular degeneration & clinical evidence.

CL Answer

Does urolithin A reduce age-related muscle decline or improve osteoarthritis?

Find out if urolithin A may improve age-related muscle decline and learn about its safety.

Older couple walking together to exercise

Recalls & Warnings

June 04, 2020

FTC Warns 35 More Companies for Coronavirus Claims

On June 4, 2020, the FTC announced that it sent warning letters to 35 companies for selling products such as herbal products, immune system boosters, and vitamin C with unsupported claims that they can treat coronavirus (COVID-19).

CL Answer

What is Pycnogenol, does it work, and is it the same as other pine bark extracts?

Learn more about Pycnogenol, including evidence from clinical studies on blood clots, osteoarthritis, cognition, vision, tinnitus, and the skin and safety.

Pine bark extract

CL Answer

What are the benefits of grape seed extract?

Learn about the health benefits of grape seed extract, and find out it improves venous insufficiency, leg swelling, swelling after surgery, or can help to lower blood pressure.

Benefits of Grape Seed Extract -- grapes and seeds

CL Answer

Do collagen or hyaluronic acid supplements really help aging or wrinkled skin?

Find out if collagen & hyaluronic acid supplements really help for aging or wrinkled skin and for skin care.

Collagen Supplements for Wrinkles? -- woman looking closely at her face in a mirror

CL Answer

Which supplements reduce hearing loss?

Can supplements such as alpha-lipoic acid, magnesium, N-acetyl-cysteine, folate or vitamins B-12, C and/or E help prevent or improve symptoms among people with hearing loss due to excessive noise or aging? Find out what the clinical evidence shows, and learn whether Advanced Hearing Formula, a supplement marketed for ear health, is likely to help.

Older man holding his hand up to his ear due to hearing loss

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.

Woman Grabbing Stomach Due To Abdominal Discomfort

Clinical Update

4/23/2016

Curcumin and Cognition

Curcumin (from turmeric) has been shown to provide anti-inflammatory effects, helpful in osteoarthritis and gastrointestinal conditions, and even an anti-depressant effect. A recent long-term study evaluated its effects on cognition and memory in older people. See the results in the "What It Does" section of the Turmeric/Curcumin Supplements Review (which includes our tests of popular products) >>

Clinical Update

6/10/2022

Top Pick for Boswellia (Anti-Inflammatory)

We just tested two Boswellia extract supplements (containing the anti-inflammatory compound AKBA). One failed testing but the other passed and is now our Top Pick for Boswellia. The results are in our Joint Health Supplements Review, which include our tests of supplements with glucosamine, chondroitin, MSM and other ingredients.

CL Answer

Estrogen Creams for Wrinkles: Safety, Efficacy & Comparison of OTC vs. Rx

Estrogen creams are promoted for wrinkles. Find out if these creams work, whether they are safe, and how "prescription" estriol and estradiol creams and gels differ from those sold over-the-counter.

Older woman applying estriol cream for wrinkles

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

I've been taking a Daily Advantage multi but am now concerned by the very high % DV for vitamin C (833% DV), niacin (325% DV), and B vitamins (over 1,000% DV for several). What do you think?

Learn about the safety of taking multivitamins containing far more than Daily Values, including upper and lower limits for nutrients.

CL Answer

Could my CoQ10 supplement be causing my insomnia?

Learn more about the impact on sleep that supplements such as CoQ10, St. John's wort, and DHEA may have. Insomnia may be caused by certain supplements.

Woman with insomnia awake in bed and having trouble sleeping

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

Best Supplements to Prevent Age-Related Muscle Loss

Discover the top supplements to prevent age-related muscle loss after 60. Learn how protein, fish oil, vitamin D, and more can help maintain muscle strength and combat sarcopenia.

News Release

January 13, 2009

ConsumerLab.com reports largest test of CoQ10 and ubiquinol supplements -- Most supplements provide claimed ingredient, but large variation in dosage and forms may confuse consumers. ConsumerLab.com provides guidance.

WHITE PLAINS, NEW YORK — JANUARY 13, 2009 — A report by ConsumerLab.com on supplements containing the anti-oxidant CoQ10 shows the difficulty for consumers in determining an appropriate dosage.

News Release

December 09, 2008

Tests of zinc supplements by ConsumerLab.com show only some provide dosage proven to shorten colds, reduce eye disease. Lead contamination found in one product.

WHITE PLAINS, NEW YORK — DECEMBER 9, 2008 — Zinc supplements can shorten colds and reduce the progression of advanced macular degeneration, among other uses. But a new report by ConsumerLab.

CL Answer

Does red and near infrared light therapy reduce pain, improve skin or cognition, or have other benefits? Is it safe?

Red light and near infrared light therapy devices are promoted for numerous conditions, including acne, fibromyalgia, pain, cognitive function and other uses. Find out if these devices work and if they are safe.

Woman using a red light device on her lower leg

CL Answer

Are L-carnosine supplements helpful and safe?

Learn about the potential health benefits of L-carnosine, as well as possible safety concerns, drug interactions and cost.

Capsules with white powder and spoon holding white powder on white background

CL Answer

What is inositol hexaphosphate (IP6) and myo-inositol? Are they helpful in treating cancer or other conditions?

Inositol hexaphosphate (IP6): Find out if IP6 (also known as phytic acid) can prevent or treat cancer. Clinical evidence, dosage, safety and how IP6 differs from myo-inositol. Consumerlab.com's answer explains.

Wooden spoon filled with white inositol capsules

CL Answer

I'm trying to pick a good multivitamin for my children and husband, and for myself. Any suggestions based on your research?

Find out how to pick the best multivitamin for you and your family, based on diet, price, and effectiveness.

CL Answer

Are antioxidant supplements good or bad for you?

Learn more about whether antioxidants like astaxanthin, beta-carotene, coenzyme Q10, curcumin, resveratrol, selenium, vitamin A, vitamin C and vitamin E are safe and if they help prevent chronic diseases.

Can Antioxidants Cause You to Die Sooner? -- antioxidant supplements and carrots

CL Answer

Are there drug interactions with magnesium supplements?

Find out about interactions between magnesium supplements and over-the-counter antacids and laxatives such as Maalox, antibiotics, and statins and diabetes medications. ConsumerLab’s answer explains.

Magnesium

CL Answer

Which supplements may help with PCOS (polycystic ovarian syndrome)?

Many supplements are promoted to help treat symptoms of PCOS (polycystic ovarian syndrome), but do they really work? See the clinical evidence for inositol (myo-inositol and D-chiro-inositol), alpha lipoic acid, vitamin B-12, folic acid, vitamin D and more.

Supplements for PCOS

CL Answer

What are trace minerals and do I need them?

Trace minerals include boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, zinc, and others. Find out what they do, how much of each trace mineral you should be getting, and who's most likely to be deficient in these minerals.

Trace Minerals - What are they and do you need them?

Recalls & Warnings

February 14, 2013

Maker of Antioxidant and Anti-Aging Supplements Warned For Manufacturing Violations

On January 10, 2013, the FDA issued a warning letter to dietary supplement manufacturer Consolidated Marketing Unlimited, Inc.

Clinical Update

1/25/2022

Goji Berries for the Eyes?

Goji berries are a good source of zeaxanthin, an anti-oxidant compound that, like lutein, may help protect the retina of eye. But does eating goji berries improve a measure of macular health (macular optical density) or improve vision? See what recent research showed in the Getting Lutein and Zeaxanthin from Food section of our Vision Supplements Review. Also see our Top Picks among vision supplements.

Clinical Update

1/13/2023

How Much Phytate in Pea Protein?

Although not on the label, we found out how much phytate, an anti-nutrient, is in our Top Pick for pea protein powder. Learn the details and implications in our updated Protein Powders and Shakes Review.

Clinical Update

7/22/2022

Fisetin & Blood Pressure

A CL member taking anti-hypertensive medication reported that a dose of fisetin reduced her blood pressure for several hours. Find out if this is a known effect in our updated Fisetin article.

Also see our CL Answer about supplements that may affect blood pressure.

Clinical Update

6/20/2023

PEA for Pain Relief?

Palmitoylethanolamide (PEA) is promoted for its anti-inflammatory and pain-relieving effects, as well as for other uses such as tinnitus and mood disorders. But does it really work, and is it safe? Find out in our article about the health benefits of PEA.

Clinical Update

1/27/2024

Soak Your Beans and Chickpeas!

It's important to soak dried beans and other legumes to reduce levels of two anti-nutrients: phytate and lectins. Find out how to reduce risk in our article about preparing dried beans to reduce phytate and lectins.

Clinical Update

1/30/2024

More Phytate Questions Answered

After posting about how to reduce phytate and lectins (which are anti-nutrients) in foods, we received and answered the following related questions:

We also answered this question about rice:

Can rinsing rice or cooking it in excess water help remove arsenic?

Clinical Update

6/22/2019

CBD Interaction

Taking CBD along with anti-seizure medication was recently reported to raise blood levels of the medication by as much as 280%. CBD can interact with many medications. For details, see the Concerns and Cautions section of the CBD Oils and Hemp Extracts Review. Also see our Top Picks among products.

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

3/15/2017

Anti-Inflammatory Effect of Juice Plus+?

Chronic systemic inflammation is a risk factor for cardiovascular disease, diabetes, and cancer. A recent clinical trial assessed the product Juice Plus+ for its ability to reduce this inflammation in obese men and women. The abstract of the published study indicates that it works, but the results tell a different story. For details, see the "What It Does" section of the Greens and Whole Foods Powders, Pills, and Drinks Review (which includes our tests of products) >>

Clinical Update

11/07/2016

Taking Curcumin With an NSAID?

Studies have shown that curcumin (an extract of turmeric) can improve symptoms of knee arthritis as well as a non-steroidal anti-inflammatory drug. But is there benefit in taking them together? A new study provides an answer, as discussed in the "What It Does" section of the Turmeric/Curcumin Supplements Review >>

Clinical Update

3/08/2019

CBD & Cancer

Preliminary evidence suggests that CBD (cannabidiol) may have anti-cancer properties, and a dramatic reduction in tumor size was recently reported in a person taking low-dose CBD. For details, see the What It Does section of the CBD Oils and Hemp Extracts Review.

Clinical Update

9/30/2024

GlucoseGoddess for Blood Sugar?

Anti-Spike Formula by GlucoseGoddess is promoted as a natural alternative to blood sugar and weight loss medications such as Ozempic. See our take on this supplement in our article about supplements for lowering blood sugar.

Recalls & Warnings

December 07, 2023

Belmont Eyecare Warned for Colloidal Silver, MSM, and Castor Oil Eye Drop Claims

On December 1, 2023, the FDA issued a Warning Letter to Belmont Eyecare LLC, following a review of the company’s website, which found statements about the company’s Colloidal Silver Eye Drops, MSM Eye Drops, Organic Daytime Oil Eye Drops, Organic Daytime Oil Eye Drops Small, Organic ...

Clinical Update

1/13/2013

Vitamin D and Knee Arthritis?

Can taking vitamin D reduce the pain and progression of osteoarthritis of the knee? A new study found no benefit for people who already had sufficient levels of vitamin D. In fact, these people needed more anti-inflammatory medication during the study than those given placebo. However, as seen in many other studies of vitamin D, people who entered the study deficient in vitamin D appeared to benefit from being given vitamin D, experiencing reduced pain. For more details, see the update in the Vitamin D Supplements Review, which includes our tests of vitamin D supplements. If you suffer from osteoarthritis of the knee or other joints, also read about glucosamine and chondroitin, as supplements with these ingredients may help. We have tested many of these products.

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.

Clinical Update

1/13/2021

Nicotinamide Riboside to Slow Aging and Reverse NAD+ Decline?

Nicotinamide riboside, a form of niacin, has been promoted to slow aging, partially based on the belief that it raises NAD+ levels that fall with age. A new study raises doubts about this. Get the details in the Niacin section of our B Vitamin Supplement Review. Also, learn about a concern with taking too much nicotinamide riboside.

Clinical Update

5/18/2019

Phytoceramides for Aging Skin?

Can phytoceramide supplements reduce wrinkles and improve the appearance of aging skin? See what a recent study found in our updated answer to the question: What are phytoceramides? Do phytoceramide supplements really work to improve aging skin?

Clinical Update

7/21/2013

Vitamin D May Protect Bones From Aging

Researchers recently analyzed bone samples from people who were deficient in vitamin D and found changes indicating that the bone had "aged" and was more brittle than bone from people not deficient in vitamin D. For details about this study -- including the levels of vitamin D associated with Vitamin D May Protect Bones from Aging -- Researchers recently analyzed bone samples from people who were deficient in vitamin D and found changes indicating that the bone had "aged" and was more brittle than bone from people not deficient in vitamin D. For details about this study -- including the levels of vitamin D associated with these changes, studies of other effects of vitamin D, as well as test results and comparisons for 55 vitamin D supplements, see the updated Vitamin D Supplements Review >>   

Clinical Update

10/03/2023

Reducing Age-Related Muscle Loss

Do any supplements help build and maintain muscle and strength as we age? Find out in our article about supplements and age-related muscle loss.

Recalls & Warnings

July 21, 2020

51 CBD Products Recalled Due to Lead Contamination

On June 23, 2020, InHe Manufacturing, LLC and MHR Brands issued a recall of fifty-one CBD products due to contamination and/or potential with lead. Thirty-six of the products are marketed for people and fifteen of the products are marketed for pets.

Clinical Update

1/25/2022

Urolithin-A – A New Supplement for the Elderly?

Urolithin-A can improve the function of mitochondria (the “powerhouses” inside our cells). Mitochondrial dysfunction has been linked with various age-related diseases. Find out if taking urolithin-A improved muscle function in recent study of elderly people in our new article: Does urolithin A reduce age-related muscle decline?

Clinical Update

2/23/2022

Leucine for Muscle Loss?

Did leucine supplementation improve physical function in people ages 70 and older with age-related muscle loss in a recent study? Find out in the Branched-chain amino acids (BCAAs) section of our Muscle & Workout Supplements Review.

Also see our answer to the question: Which vitamins and minerals should someone over 70 take?

Clinical Update

9/07/2022

Urolithin A for Muscle Strength?

Can supplementing with urolithin A improve strength and endurance in middle-aged women and men? Find out what a recent study showed in our updated CL Answer about urolithin A for age-related muscle decline.

Also see our answer to the question: What's the best protein to keep and gain muscle when you're older?

Clinical Update

3/07/2023

Human Growth Hormone to Slow Aging?

Supplements promoted to stimulate human growth hormone (HGH) supplements are often promoted to slow signs of aging, but do they really work and are they safe? Get the details, and learn if there are any ways to naturally raise HGH levels, in our article about HGH supplements.

Clinical Update

10/27/2023

Vitamin A for Aging Skin?

Does taking high-dose vitamin A and vitamin E improve aging skin when combined with topical application of retinoic and glycolic acids? Find out what a recent study showed in the What It Does section of our Vitamin A Supplements Review.

Also see: if any other supplements reduce wrinkles.

Clinical Update

6/28/2021

Hyaluronic Acid for Wrinkles?

Does supplementing with hyaluronic acid reduce wrinkles or improve skin elasticity in middle-aged men and women? See what a new study found in the Aging Skin and Wrinkles section of our Collagen Supplements Review. Also see our Top Picks for collagen supplements for skin and for joints.

Clinical Update

10/04/2011

Fish Oil's Impact on Cognitive Decline

Cognitive decline may be a normal part of aging, but a new study suggests that high-dose fish oil particularly rich in DHA may provide some benefit. In people over age 65 with mild cognitive impairment, fish oil was associated with improved verbal skill. Perhaps as important, fish oil also reduced depressive symptoms, which can be a risk factor in the progression to dementia. Get the details, including how much DHA and EPA was used in the study, in the Fish Oil and Omega-3 Fatty Acid Supplement ReviewMore >>

Clinical Update

1/24/2016

Leucine Protects Muscle In Middle-Aged

A recent study found that active, middle-aged people restricted to bed rest for several days lost significantly less muscle mass and function if given a leucine supplement along with their meals. Fat gain was also reduced. Get the details, including our tests of leucine-containing supplements, in the Muscle Enhancers Review >>

Clinical Update

4/08/2017

Omega-3s for Age-Related Cognitive Decline?

A recent study found DHA and EPA from fish oil did not slow cogntive decline in older adults with cognitive difficulties. However, other studies suggest there may be a benefit if taken before the onset of cognitive decline or dementia. For details, see the "Age-Related Cognitive Decline" section of the Fish Oil and Omega-3 Fatty Acid Supplements Review >>

Clinical Update

8/26/2017

High-Dose B Vitamins & Cataract Risk

Taking high doses of B vitamins, including B vitamin complexes, folic acid and B6, was associated with a higher risk of age-related cataracts among middle-aged men and women, according to a new study. For details, see the "ConsumerTips" section of the B Vitamin Supplements Review >>

Clinical Update

10/20/2018

Omega-3s & Healthy Aging

Do higher blood levels of omega-3 fatty acids (as obtained from fish and/or fish oil) correlate with healthier aging? See what a new study found in our updates to the Fish Oil Supplements Review and the Canned Tuna and Salmon Review.

Clinical Update

8/19/2024

Collagen vs. Moisturizer?

Can taking collagen noticeably improve aged skin for people already using a daily moisturizer? Find out what a recent study showed in the Aging skin and wrinkles section of our Collagen Supplements Review, which includes our Top Picks for collagen supplements.

Also see: Does CoQ10 reduce wrinkles, increase skin elasticity, or tighten the skin? Are there any other supplements that can help?

Clinical Update

8/26/2024

Supplements for Muscle Loss?

What is the best supplement to prevent age-related muscle loss, and do any other supplements help? Find out in our article about supplements to prevent age-related muscle loss.

Clinical Update

9/03/2024

HMB for Muscle Loss With Age?

Can taking HMB (hydroxymethylbutyrate) help build muscle mass and strength in older men and women? Find out in our updated article about supplements for age-related muscle loss.

Also see our Top Picks among muscle & workout supplements.

Recalls & Warnings

June 14, 2007

Marketers of Bogus Growth Hormone Sprays Settle with FTC

On May 29, 2007 the Federal Trade Commission (FTC)announced that two operations that marketed oral sprays that were supposed to help users lose weight, reverse the aging process, and prevent or treat diseases have settled FTC charges that their claims were bogus.

Recalls & Warnings

June 26, 2024

FDA Warns Consumers Not to Use Infla-650 Due to Undeclared Drugs

On June 20, 2024, the FDA warned consumers not to purchase or use Infla-650 after FDA laboratory analysis found them to contain acetaminophen, diclofenac, and phenylbutazone.

News Release

March 17, 2008

As problems surface, Consumerlab.com and the people's pharmacy ask FDA to disclose differences between generic and original drugs

WHITE PLAINS, NEW YORK AND DURHAM, NORTH CAROLINA — MARCH 17, 2008 — An investigation by ConsumerLab.

News Release

February 06, 2008

Consumers warned of lead in some turmeric supplements — Highest lead level ever reported by ConsumerLab.com; Lack of active compound also a problem

WHITE PLAINS, NEW YORK — FEBRUARY 6, 2008 — Turmeric supplements have become popular in recent years but ConsumerLab.com warned today that some products contain high amounts of lead. Recent tests found a popular brand to contain 18.

Recalls & Warnings

April 25, 2024

Drug Found in Umary Supplement

On April 18, 2024, CTV News in Canada reported tests suggesting that Umary Hyaluronic Acid Dietary Supplement may be adulterated with the prescription anti-inflammatory drug diclofenac, which may explain side effects that have been reported with its use.

News Release

May 15, 2007

ConsumerLab.com finds some alpha lipoic acid supplements come up short — Improper formulation may cause ingredient degradation

WHITE PLAINS, NEW YORK — May 15, 2007 — ConsumerLab.com announced that two of eleven alpha lipoic acid supplements that it recently chose to test contained significantly less ingredient than promised on their labels.

Recalls & Warnings

August 31, 2007

FTC Stops Spammers Selling Bogus Hoodia and Human Growth Hormone

On August 23, 2007, the Federal Trade Commission (FTC), announced that spammers must stop sending unwanted and illegal e-mail messages about hoodia weight-loss products and human growth hormone anti-aging products the FTC alleges don't work.

Recalls & Warnings

December 01, 2021

FDA Warns Seller of Saffron Supplements

On November 18th, 2021, the FDA issued a warning letter to Saffron Health Sciences following a review of the company's website, social media, and Amazon product listings, which found statements made about the company's products Crocin Rich, Crocin Rich II, and Crocin Rich ...

Recalls & Warnings

December 09, 2021

FDA Warns Seller of Curcumin, Lion's Mane, Quercetin & More

On November 9, 2021, the FDA issued a warning letter to Synaptent, LLC because it found statements on the company's website about its products, including Berberine HCL, Curcumin, Lion's Man, Milk Thistle, Quercetin, Boswellia Serrata Extract, and Garlic Extract to be ...

Recalls & Warnings

March 23, 2023

FDA Warns Herbal Vitality for Promoting Supplements to Treat Cold & Flu, Kidney Stones & More

On March 7, 2023, the FDA issued a warning letter to Herbal Vitality, Inc.

Recalls & Warnings

July 16, 2024

Infla-650 Herbal Dietary Supplement Recalled

On July 16, 2024, Guru Inc. issued a recall of one lot of Infla-650 Herbal Dietary Capsules because they were found to contain acetaminophen, diclofenac, and phenylbutazone.

News Release

February 14, 2007

ConsumerLab.com reports on anti-depressant herb — St. John's Wort — Few supplements pass quality testing

WHITE PLAINS, NEW YORK — FEBRUARY 14, 2007 — St. John's wort may be helpful in treating mild to moderate cases of clinical depression, but a new report from ConsumerLab.com shows that few of the herbal products tested met quality standards. Americans purchased $64 million of St.

News Release

September 19, 2006

DHEA supplements, touted for anti-aging and strength, reviewed by ConsumerLab.com — Testing finds one brand with 215% of the labeled amount

WHITE PLAINS, NEW YORK — SEPTEMBER 19, 2006 — New tests of supplements containing the hormone DHEA found most to contain their claimed amounts of the controversial ingredient, but one provided 215% of its stated amount, the testing company ConsumerLab.com reported today.

News Release

August 31, 2005

ConsumerLab.com testing of alpha lipoic acid supplements from Japan finds no ingredient in one product; Most others meet claims — Japanese consumers urged to research product quality

WHITE PLAINS, NY — ConsumerLab.com reported this week that among nine brands of alpha lipoic acid supplements it recently purchased in Japan and tested, one contained none of the popular ingredient and another contained only 81%.

Recalls & Warnings

December 22, 2021

FDA Warns Seller of Liquid Magnesium, B-12, Berberine & More

On December 9, 2021, the FDA issued a warning letter to Wholly Liquid Nutritional Supplements LLC because it found statements on the company's website and social media about its products, including SpiroLaze, BioLaze, LiquiLaurin, VIT-B12, DeStress, and Omega Plus, to be ...

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

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

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 ...

News Release

December 08, 2003

ConsumerLab.com dispels myths about HGH human growth hormone supplements sold widely on Internet

WHITE PLAINS, NY — December 8, 2003 — ConsumerLab.com has released a review of the scientific evidence behind human growth hormone (hGH or HGH) supplements.

Recalls & Warnings

April 03, 2024

FDA Warns Ambaya Gold for Promoting Products for Depression, Cancer, & Arthritis

On December 5, 2023, the FDA issued a Warning Letter to Ambaya Gold Health Products, LLC following review of the company’s website and social media, which found statements about the company’s Brain Balance, Immune System Boost, Dentist In A Bottle, Essensiac, Fulvic Green, Silver ...

News Release

October 29, 2002

Enormous variation found in strength of garlic supplements — most popular herb in U.S. — ConsumerLab.com releases results online today

WHITE PLAINS, NY — October 29, 2002 — ConsumerLab.com's Product Review of Garlic Supplements found strength to vary by as much as 1500% across products. Strength was based on each product's ability to generate allicin, a chemical associated with the efficacy of non-aged garlic.

Recalls & Warnings

April 30, 2021

FDA Warns Seller of Fish Oil, Apple Cider Vinegar, Collagen, and Elderberry Supplements

On April 13, 2021, the FDA issued a warning letter to Orphic Nutrition following a review of the company's websites, which found statements made about the products Apple Cider Vinegar Capsules, Ashwagandha Capsules, Garcinia Cambogia Capsules, Premium Collagen Peptides Capsules, Elderberry ...

Recalls & Warnings

December 11, 2020

Colloidal Silver Seller Warned for COVID-19 Claims

On December 2, 2020, the FDA issued a warning letter to Heavenly Natural Products for selling various Carbon 60 and colloidal silver products, including AVOCADO C60 ANTI-VIRAL COMBO — VIRUS PREVENTION (made with C60 WITH AVOCADO and Heavenly Silver) with unsupported ...

Recalls & Warnings

January 19, 2022

FDA Warns Seller of Carnitine and Alpha Lipoic Acid Supplements

On November 18, 2021, the FDA issued a warning letter to GeroNova Research Inc.

News Release

April 10, 2001

Quality of popular herbal anti-depressant found to vary; certain types of St. John's Wort supplements more likely to pass testing

White Plains, NY — April 11, 2001 — ConsumerLab.com, an independent evaluator of dietary supplements and nutrition products, today released results of its Product Review of St. John's wort supplements.

Recalls & Warnings

October 08, 2024

AK Forte Joint Pain Supplement Recalled

On October 8, 2024, C&A Naturistics voluntarily recalled all lots of AK Forte, 400 mg tablets because FDA laboratory analysis found products to contain undeclared diclofenac, dexamethasone, and methocarbamol.

Recalls & Warnings

November 11, 2024

FTC Sends Refunds to Customers Who Purchased Sobrenix

On November 7, 2024, the FTC announced it is mailing 56,686 checks totaling more than $536,000 to customers who bought Sobrenix, a supplement sold and marketed by Rejuvica to reduce and eliminate alcohol cravings and consumption.

News Release

March 28, 2000

Only half of SAM-e supplements found to contain proper ingredients and labeling in ConsumerLab.com testing; Product Review of popular anti-depressant published online today.

WHITE PLAINS, NY, March 28, 2000 — Among 13 brands of SAM-e dietary supplements (used primarily in treating depression and osteoarthritis) only seven were found to contain labeled amounts of SAM-e (S-adenosyl-methionine). These results were reported today by ConsumerLab.

Recalls & Warnings

December 14, 2023

FDA Warns Seller of Novid NASAL SPRAY for Allergy, Virus, and Cold Claims

On December 7, 2023, the FDA issued a warning to Novid Group, Inc. following an inspection of the company’s website, which found statements about the company’s novid NASAL SPRAY product to be drug claims.

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

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

March 30, 2019

FDA Warns Seller of Reishi, Joint Supplements, Ginseng & More for Pesticides, Other Violations

On March 12, 2019, the FDA issued a warning letter to Yanqing "Michael" Li and Chang Su, owners of the website http://www.woohoonatural.

Recalls & Warnings

July 17, 2020

Sellers of Immune Boosters, Vitamin C Warned for Coronavirus Claims

The FDA recently issued warning letters to two companies for selling products such as immune boosters, vitamin C, and zinc with unsupported claims that they can treat COVID-19 (use the links below to read the full warning letter):

Recalls & Warnings

June 25, 2020

"Anti-Viral" Supplement Recalled for Unsupported Coronavirus Claims

On June 23, 2020, Golden Nutrition Inc. issued a recall of four lots of Anti-Viral Immune Enhancement Capsules because the label makes unsupported health claims to "help fight corona virus and influenza.

Recalls & Warnings

October 19, 2020

Seller of Thrive "Anti-Viral" Supplements Settles with FTC for Unproven Coronavirus and Cancer Claims

On October 19, 2020, the Federal Trade Commission (FTC) approved an administrative consent order to settle charges that marketer Marc Ching was making unsubstantiated claims that the supplement Thrive can treat, prevent, or reduce the risk of coronavirus (COVID-19).

Recalls & Warnings

July 10, 2020

Seller of Thrive "Anti-Viral" Supplement Barred from Making Unproven Coronavirus and Cancer Claims

On July 10, 2020, the Federal Trade Commission (FTC) barred marketer Marc Ching from making unsubstantiated claims that the supplement Thrive can treat, prevent, or reduce the risk of coronavirus (COVID-19). Thrive consists mainly of vitamin C and herbal extracts.

Recalls & Warnings

December 15, 2020

Mushroom Supplement Seller Warned for Drug Claims

On December 4, 2020, the FDA issued a warning letter to Desert Alchemist LLC following a review of the company's website, social media, and Etsy.com store (www.etsy.

Recalls & Warnings

January 26, 2023

Allergy Bee Nasal Swabs Contaminated With Illness-Causing Bacteria

On January 18, 2023, the FDA issued a warning letter to Buzzagogo, LLC, after the company’s Allergy Bee Gone for Kids nasal swab products were found to be contaminated with bacteria that have the potential to cause life-threatening illness.

Recalls & Warnings

January 10, 2023

Seller of CBD Warned for COVID-19 Claims

On January 5, 2023, the FDA issued a warning to PharmaCanna after review of the company’s website and social media, which found statements about the company’s cannabidiol (CBD) product, CBDefense 2000, to be drug claims because they promoted the products to prevent or treat ...

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

October 26, 2023

Joint Pain Supplements Recalled Due to Undeclared Drug Ingredients

On October 22, 2023, Botanical-Be recalled of all lots of the company’s Kuka Flex Forte, Artri King, and Reumo Flex capsule products after FDA laboratory analysis found them to contain undeclared diclofenac.

Recalls & Warnings

August 16, 2019

Lavender Oil Linked With Abnormal Breast Growth in Children

The use of products containing lavender oil has been linked to 16 cases of premature and/or abnormal breast development in girls and boys under the age of 8, according to a new report published in The Journal of Clinical Endocrinology & Metabolism.

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

December 15, 2020

FDA Warns JC Ayur Life LLC for Drug Claims

On October 29, 2020, the FDA issued a warning letter to JC Ayur Life LLC following a review of the company's website, which found statements made about the company's product Heritage of Ayurveda Dia-Tonic Incudil Herbal Dietary Supplement to be drug claims.

Recalls & Warnings

June 16, 2022

Omega 3 Supplements Recalled Due to Undeclared Drug Ingredients

On May 28, 2022, Latin Foods Market issued a voluntary recall of one lot of Artri King Reforzado con Ortiga y Omega 3 tablets after FDA laboratory analysis found the presence of undeclared diclofenac and dexamethasone.

Recalls & Warnings

April 27, 2022

Prescription Drugs Found in Arthritis, Muscle Pain, and Osteoporosis Supplements

On April 20th, 2022, the FDA warned consumers not to use the following ”Artri“ or ”Ortiga” products promoted to treat arthritis, muscle pain, osteoporosis and bone cancer because they have been found to contain undeclared drugs that can have serious adverse ...

Recalls & Warnings

June 25, 2019

Kratom Is Dangerous and Not Proven to Treat Addiction, FDA Warns Marketers

On June 25, 2019, the FDA issued warning letter to two marketers and distributors of kratom products, listed below, for illegally selling unapproved, misbranded kratom-containing drug products with unproven claims about their ability to treat or cure opioid addiction and withdrawal symptoms.

Recalls & Warnings

August 13, 2020

FDA Warns Seller of Chaga for Coronavirus Claims

On August 6, 2020, the FDA issued a warning letter to Canadian Chaga for selling 124 Chaga Capsules, Chaga Tea, and Canadian Chaga Tincture with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

July 31, 2020

FTC Sues Golden Sunrise for Marketing Deceptive $23,000 Coronavirus Cure

On July 31, 2020, the Federal Trade Commission (FTC) charged Golden Sunrise Nutraceutical, Inc., a California-based company, with deceptively advertising a $23,000 treatment plan as a scientifically proven way to treat COVID-19.

Recalls & Warnings

July 03, 2020

Seller of "COVID Supplement Protection Pack" Warned for Coronavirus Claims

On June 30, 2020, the FDA issued a warning letter to Center for Wellness and Integrative Medicine for selling the products COVID Supplement Protection Pack (also referred to as the COVID Household Value Pack), Thymosin-Alpha, and Methylene Blue Capsules with unsupported ...

Recalls & Warnings

June 29, 2020

Seller of Chinese Herbal Medicines Warned for Coronavirus Claims

On June 26, 2020, the FDA issued a warning letter to SuperHealthGuard and Loyal Great International Ltd. for selling traditional Chinese medicine products with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

July 10, 2020

FTC Charges Seller With Falsely Promising Consumers Next Day Shipping of Face Masks and Other PPE

On July 8, 2020, the Federal Trade Commission (FTC) charged the online marketer SuperGoodDeals.com, Inc. and its owner, Kevin J. Lipsitz, with falsely promising consumers next-day shipping of facemasks and other personal protective equipment (PPE) to use during the coronavirus pandemic.

Recalls & Warnings

July 10, 2020

Seller of Hand Sanitizer "Alternative" Warned for Coronavirus Claims

On July 7, 2020, the FDA issued a warning letter to Ionogen, LLC for selling products with unsupported claims that they can treat coronavirus (COVID-19).

Recalls & Warnings

April 14, 2020

FTC Warns Companies Selling Immune "Boosters," Vitamin C and More for Coronavirus Claims

On April 14, 2020, the FTC announced that it has sent warning letters to ten companies for selling products such as immune boosters, silicone facial brushes, air purifiers, and intravenous vitamin C with unsupported claims that they can treat coronavirus (COVID-19).

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

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

June 11, 2015

FDA Warns Maker of Fruit Energy Drinks for Drug Claims

On May 19, 2015, the FDA issued a warning letter to CK Management, Inc. following a facility inspection which found statements made on product labels and websites about Whole5, Fruit of the Spirit and ViaViente "whole food" fruit puree energy drinks to be drug claims.

Recalls & Warnings

January 04, 2014

Beware of Supplements Claiming to Treat Brain Injury, FDA Warns

On December 31, 2013, the FDA warned consumers to avoid dietary supplements promoted to prevent, treat or cure concussions and other traumatic brain injuries (TBIs).

Recalls & Warnings

August 01, 2013

Maker of Algae Products Warned For Drug Claims, Manufacturing Violations

On March 8, 2013, the FDA issued a warning letter to Algaen Corporation following a facility inspection and website review which found statements made about the company's AlgaBerry products to be drug claims. 

Recalls & Warnings

October 06, 2006

FDA Warns Mangosteen Juice Maker of Drug Promotions

On September 20, 2006, the U.S. Food and Drug Administration (FDA) sent a Warning Letter to the makers of Xango, a mangosteen juice product. The letter advised that distributors of the product were using brochures making health claims restricted to the promotion of drugs.

Recalls & Warnings

January 16, 2018

Marketers of CellAssure and Cognify Settle FTC Charges of Deceptive Cancer Claims

On January 11, 2018, the FTC announced that CellMark Biopharma, LLC and its CEO, Derek E.

Recalls & Warnings

April 16, 2019

DMHA and Phenibut Are Not Permitted in Dietary Supplements, Warns FDA

On April 16, 2019, the FDA announced it has issued 11 warning letters to companies whose dietary supplement products contain the drugs DMHA or phenibut, and therefore are in violation of the law.

Recalls & Warnings

February 05, 2014

Maker of Digestive Health Supplement Warned For Manufacturing Violations, Drug Claims

On January 22, 2014, the FDA issued a warning letter to Intensive Nutrition Incorporated, following a facility inspection which found the company's digestive support supplement, Tanalbit, to be adulterated because it was prepared, packed, or held under conditions that violate Current Good ...

Recalls & Warnings

May 03, 2013

Maker of Omega-3, Saw Palmetto, St. John’s Wort Supplements And More Warned For Manufacturing Violations and Drug Claims

On March 19, 2013, the FDA issued a warning letter to Sunset Natural Products Inc.

Recalls & Warnings

December 21, 2016

Seller of 5-HTP, Chromium, Curcumin and More Warned for Drug Claims

On December 1, 2016, the FDA issued a warning letter to Aurora Health and Nutrition following a review of the company's website, which found statements made about its products, 5-HTP, Alpha Lipoic Acid, the Argentyn 23 product line, Artecin 90 Vegetarian Capsules, ...

Recalls & Warnings

December 22, 2008

FDA Warns Consumers About Tainted Weight Loss Pills

On December 22, 2008 the U.S. FDA alerted consumers not to purchase or consume any of more than 25 different products marketed for weight loss because they contain undeclared, active pharmaceutical ingredients that may put consumers’ health at risk.

Recalls & Warnings

January 16, 2014

Joint Health Supplement Contains Dangerous Drugs, FDA Warns

On January 15, 2014, the FDA warned consumers not to buy or use joint health supplement Pro ArthMax (by Human Science Foundation) because it was found to contain multiple drugs, including diclofenac, ibuprofen, naproxen, indomethacin, nefopam, and chlorzoxazone.

Recalls & Warnings

January 04, 2014

Smoking Cessation and Anti-Inflammatory Supplements Contain Unapproved Ingredient

On December 13, 2013, the FDA issued a warning letter to Star Scientific, Inc. after the agency noted that the company's smoking cessation supplement CigRx and anti-inflammatory supplement Anatabloc contain anatabine, a chemical not currently allowed in dietary supplements.

Recalls & Warnings

August 23, 2013

FDA Warns Consumers of Supplement Containing Prescription Anti-Inflammatory Drug

On August 22, 2013, the FDA warned consumers not to use or purchase the dietary supplement Ortiga, because it contains the prescription drug ingredient, diclofenac.

Recalls & Warnings

March 19, 2014

Maker of Herbal Capsules and Extracts Warned for Manufacturing Violations

On September 19, 2013, the FDA issued a warning letter to Herbalist and Alchemist, Inc.

Recalls & Warnings

May 22, 2012

Anti-Doping Agency Warns Athletes About Supplements

In May, 2012, the U.S. Anti-Doping Agency (USADA) launched an educational website, Supplement 411 to help athletes make better informed decisions about dietary supplements. Resources include a "High Risk Dietary Supplement" list and educational videos.

Recalls & Warnings

January 18, 2003

Non-Prescription Anti-Hypertension Pills Recalled

On January 17, the U.S. FDA's MedWatch Program reported that Herbsland Inc.

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

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

May 30, 2014

Seller of Brain, Diabetes, Echinacea Supplements and More Warned for Drug Claims

On April 22, 2014, the FDA issued a warning letter to Mundo Natural Inc., following a review of the company's website which found statements made about supplements Neuro AD, Stop Diabetes, Stop High Blood Pressure, Morninga 7 and Purpurea Echinacea to be drug claims.

Recalls & Warnings

April 24, 2014

Arthritis Supplement Containing Multiple Drugs Recalled

On April 21, 2014, Nano Well-being Health Inc., issued a voluntary recall of two lots of arthritis supplement Super Arthgold, because it was found to contain the drugs chlorzoxazone, diclofenac and indomethacin.

Recalls & Warnings

November 21, 2014

Herbal Arthritis Supplement Found to Contain Undeclared Drugs

On November 20, 2014, the FDA warned consumers not to purchase or use the herbal dietary supplement Feng Shi Ling because it was found to contain the undeclared drugs diclofenac and indomethacin.

Recalls & Warnings

February 13, 2014

FDA Warns Consumers Not To Buy or Use Arthritis Supplement

On February 13, 2014, the FDA warned consumers not to buy or use arthritis supplement Arth-Q because it was found to contain ibuprofen.

Recalls & Warnings

June 06, 2015

Joint Supplement Contains Drugs, FDA Warns

On June 5, 2015 the FDA warned consumers not to buy or use joint pain supplement Pyrola Advanced Joint Formula because it was found to contain diclofenac and chlorpheniramine. 

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

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

June 05, 2018

FDA Warns Seller of Colloidal Silver

On May 17, 2018, the FDA issued a warning letter to Silver Armor, Inc.

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

February 10, 2018

Warning to D-Limonene, Vitamin C Seller

On January 31, 2018 the FDA issued a warning letter to Long Life Unlimited, LLC following a review of the company's website which found promotional statements and testimonials made about products including Balance 600, D-Limonene, Rapha Remedy, Rapha Remedy w/ p73 Wild Oregano, Vitamin C, ...

Recalls & Warnings

February 01, 2018

Seller of Supplements for Opiate Withdrawal Warned for Drug Claims

On January 11, 2018, the FDA sent warning letters to ten sellers of supplements promoted to treat opiate withdrawal following reviews of the companies' websites and social media which found statements and testimonials made about the products to be drug claims.

Recalls & Warnings

September 09, 2018

Higenamine -- A Potentially Dangerous Stimulant -- Found in Some Supplements

A recent study found concerningly high doses of the stimulant higenamine in some weight loss, energy and sports supplements sold in the U.S. Higenamine is a naturally-occurring stimulant which is permitted to be sold as a dietary supplement ingredient in the U.S.

Recalls & Warnings

June 21, 2002

Canadian Warning on Use of Seven Herbal Supplements from BotanicLab

On June 19, 2002, Health Canada issued a warning that Canadians not use seven herbal products manufactured in the United States by BotanicLab because they contain undeclared prescription drugs that could cause serious health effects if not taken under medical supervision.

Recalls & Warnings

July 26, 2013

Safety of Certain Weight Loss and Bodybuilding Supplements Called Into Question

On July 25, 2013, USA Today reported that several supplements, including weight loss, body building and sports nutrition supplements, have come under scrutiny after being found to contain illegal ingredients, or were associated with failed drug tests and adverse events.

Recalls & Warnings

June 04, 2012

FDA Warning on Supplement for Pain Relief

On June 1, 2012, the U.S. FDA warned consumers that Reumofan Plus, marketed as a “natural” dietary supplement for pain relief and other serious conditions, contains several active pharmaceutical ingredients not listed on the label that could be harmful.

Recalls & Warnings

May 06, 2015

Joint Pain Supplements Found to Contain Diuretics, Antihistamines and Other Undeclared Drugs

On May 4, 2015, the FDA warned consumers not to buy or use the following supplements promoted for joint or back pain because they were found to contain undeclared drugs. Each was identified during an examination of international mail shipments.  

Recalls & Warnings

May 16, 2005

Athlete Wins Case Involving Contaminated Vitamin

On May 13, 2005 the Associated Press reported that a swimmer, who claimed a contaminated vitamin caused him to test positive for steroids, won $578,635 in a lawsuit against a maker of dietary supplements.

Recalls & Warnings

January 09, 2009

FDA Expands Warning to Consumers About Tainted Weight Loss Pills

On January 8, 2009, the U.S. FDA expanded its nationwide alert to consumers about tainted weight loss pills that contain undeclared, active pharmaceutical ingredients. On December 22, 2008, FDA warned consumers not to purchase or consume 28 different products marketed for weight loss.

Recalls & Warnings

November 14, 2012

Mushroom Supplement Manufacturer Warned For Drug Claims and Adulteration

On October 18, 2012, the FDA issued a warning letter to Mushroom Wisdom, Inc. following a facility inspection and product label review which found the dietary supplements Amyloban 3399 From Lion's Mane, Grifron Maitake, and Super Shiitake to be promoted as drugs.

Recalls & Warnings

September 10, 2012

Maker of Concussion Recovery Supplement Warned For Making Drug Claims

On August 28, 2012, the FDA issued a warning letter to Trinity Sports Group, Inc. after a review of the company's websites found statements about Neuro Impact Concussion Response Formula constituted drug claims not permitted on supplements. 

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

May 03, 2002

More Information on Recall of PC-SPES - Prostate Supplement

The FDA's May 1, 2002 Enforcement Report classified the recall of PC-SPES as a Class I recall. The recall was originally announced by its manufacturer in February with additional warnings from the FDA issued in March (see the 3/11/02 posting on ConsumerLab.

Recalls & Warnings

September 07, 2002

FDA Sends Warning Letters to Seven Online Supplement Sellers For Therapeutic Claims

On August 27, 2002, the FDA posted seven "Cyber" letters recently issued from its Center for Food Safety and Applied Nutrition (CFSAN) to internet website operators promoting dietary supplement products that claim to diagnose, mitigate, treat, cure, or prevent a specific disease or class of ...

Recalls & Warnings

October 16, 2013

Methamphetamine-Like Compound Found In Popular Workout Supplement

A study published on October 14, 2013 (Cohen, Drug Test Analysis 2013) reports that the popular pre-workout energy supplement Craze (Driven Sports) has been found to contain the banned methamphetamine — like compound, N, á-diethylphenylethylamine.

Recalls & Warnings

July 26, 2014

Marketers of Nopal Cactus Drink Settle FTC Charges of Deceptive Claims

TriVita Inc., and marketers of the company's "prickly pear" fruit drink Nopalea have agreed to pay $3.5 million in consumer refunds to settle FTC charges they made deceptive claims that the drink treats health problems ranging from skin conditions to joint pain and respiratory problems.

Recalls & Warnings

July 24, 2014

Seller of Noni Juice Products Warned for Manufacturing Violations, Drug Claims

On July 14, 2014, the FDA issued a warning to Noni Connection dba Puna Noni, following a facility inspection which found the company's Puna Noni 100% Pure Hawaiian Noni Fruit Capsules to be adulterated because they were prepared, packed, or held under conditions that violate Current Good ...

Recalls & Warnings

October 10, 2014

Weight Loss Supplement Found to Contain Multiple Drugs

On October 10, 2014, the FDA warned consumers not to purchase or use the dietary supplement Japan Hokkaido Slimming Weight Loss Pills because it was found to multiple contain undeclared drugs, including sibutramine, phenolphthalein, benzocaine and diclofenac.

Recalls & Warnings

March 14, 2014

Arthritis and Muscle Pain Supplement Recalled

On March 12, 2014, Pain Free By Nature issued a recall of Reumofan Plus tablets sold on the company's website, www.painfreebynature.com, because it was found to contain the active pharmaceutical ingredients methocarbamol and diclofenac.

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

August 22, 2012

FDA Warns of Life-Threatening Side Effects and Withdrawal Symptoms from Two Arthritis, Muscle Pain Supplements

On August 21, 2012, the FDA issued a warning to consumers about the dangers of taking Reumofan Plus and Reumofan Plus Premium, two dietary supplements marketed for arthritis, osteoporosis and muscle pain.

Recalls & Warnings

May 24, 2013

Seller of Liquid Minerals, Joint Care and Herbal Supplements Warned For Manufacturing Violations, Drug Claims

On April 8, 2013, the FDA issued a warning letter to Body Systems, Inc.

Recalls & Warnings

February 13, 2013

FDA Warns Maker of Weight Loss and Whey Protein Supplements For Manufacturing Violations and Misbranding

January 25, 2013, the FDA issued a warning letter to dietary supplement manufacturer SciLabs Nutraceuticals, following a facility inspection which found the company's dietary supplements and supplement ingredients, including N-Large 2, Flo-Gard AB, Nitrogen Glutamine capsules, Nutritech nutritional ...

Recalls & Warnings

August 07, 2011

Performance Enhancing Ingredient, DMAA, Not Really from Geraniums, Putting Its Use in Supplements in Doubt

On July 29, 2011, the American Herbal Products Association (AHPA) announced a new requirement that products containing the sports performance enhancing compound DMAA (also known as 1,3-dimethlypentlyamine, 1,3 dimethylamylamine, methylhexanamine, or MHA), not be labeled as geranium oil or any part ...

Recalls & Warnings

September 13, 2010

ExtenZe Enhancement Supplements Seized in Canada

On August 19, 2010, Health Canada (Canada's health ministry) seized the sexual enhancement supplements "Male Enhancement ExtenZe" and "Women ExtenZe" which were imported from the U.S. Although legal and widely sold in the U.S.

Recalls & Warnings

March 19, 2009

QVC Settles Charges of False Claims for Supplements

On March 19, 2009, the Federal Trade Commission (FTC) announced that QVC, Inc., a TV home shopping channel and one of the world’s largest multimedia retailers, has agreed to pay $7.

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

May 02, 2015

Maker of Garcinia, Joint Supplements and More Warned for Manufacturing Violations, Drug Claims

On March 25, 2015, the FDA issued a warning letter to JW Nutritional LLC, following a facility inspection which found the company's products, including  Vanish V2 Domestic, Mr.

Recalls & Warnings

March 13, 2015

Weight Loss Supplement Contains Prescription Anti-Depressant, Other Drugs

On March 3, 2015, the FDA warned consumers not to buy or use weight loss supplement Natural Max Slimming because it was found to contain fluoxetine, sildenafil and sibutramine.

Recalls & Warnings

February 24, 2015

Seller of Heart, Brain and Diabetes Supplements Warned for Drug Claims

On February 6, 2015, the FDA issued a warning letter to LCW, Inc.

Recalls & Warnings

December 30, 2014

Maker of Aloe, Weight Loss Supplements and More Warned for Manufacturing Violations, Drug Claims

On December 17, 2014, the FDA issued a warning letter to Dandy Day Corporation, following a facility inspection which found the company's products, including Aloe Pearl, Alfalo, Aloespring, Crave Away, Original Supreme Energy, Ener "G," Can G, Flora G, Flora G Plus, and Garolic, to be adulterated ...

Recalls & Warnings

May 16, 2015

FTC Mails Refund Checks to Nopalea Consumers

On May 15, 2015, the FTC announced it is mailing almost 500,000 checks totaling approximately $3 million to consumers who purchased the cactus-based fruit drink Nopalea (TriVita Inc).

Recalls & Warnings

September 16, 2015

Weight And Enhancement Supplement Recall Expanded

On September 11, 2015, One Minute Miracle Inc. issued a recall of all lots the following supplements which were found to contain undeclared drugs:

Recalls & Warnings

September 11, 2015

Thirteen Manufacturers Ordered to Stop Selling Devil's Claw Supplements

On September 9, 2015, the New York State Attorney General ordered 13 manufacturers, including Thorne Research Inc., NBTY, Inc. (Puritan's Pride) Inc., and Now Foods, to stop selling devil's claw supplements which were found to contain the incorrect species of the plant.

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

May 24, 2016

Seller of Joint Health, Omega-3 Supplements & More Warned for Manufacturing Violations, Drug Claims

On May 13, 2016, the FDA issued a warning letter to Rocky Fork Formulas, Inc.

Recalls & Warnings

March 04, 2016

Federal Court Shuts Down Seller of Supplement Promoted for Herpes

On February 26, 2016, a federal court ordered dietary supplement company Viruxo LLC to stop selling its product Virux, which was promoted to treat herpes.

Recalls & Warnings

January 31, 2016

Pink Bikini and Shorts on the Beach Weight Supplements Recalled

On January 28, 2015, Lucy's Weight Loss System issued a voluntary recall of all lots of weight loss supplements Pink Bikini (white capsules, blue capsules and gold capsules) and Shorts on the Beach (blue capsules and gold capsules) because they contain undeclared sibutramine, ...

Recalls & Warnings

December 29, 2015

Maker of Vitamin K, Vitamin A & More Warned for Manufacturing Violations, Drug Claims

On December 10 2015, the FDA issued a warning letter to Dherbs Health Emporium, Inc.

Recalls & Warnings

December 12, 2015

Pink Bikini Weight Supplement Recalled

On December 9, 2015, Lucy's Weight Loss System issued a voluntary recall of all lots of weight loss supplement Pink Bikini white powder capsules because they were found to contain undeclared diclofenac. 

Recalls & Warnings

December 05, 2015

Lipo Escultura Weight Loss Capsules Recalled

On December 3, 2015 Lipo Escultura Corp. (doing business as JAT Productos Naturales Corp.) issued a voluntary recall of weight loss supplement Lipo Escultura capsules because they were found to contain sibutramine and diclofenac.

Recalls & Warnings

October 17, 2015

23,000 ER Visits Linked to Supplements: Palpitations, Swallowing Problems, Allergies Common

Approximately 23,000 emergency room visits per year are attributed to adverse events linked to the use dietary supplements, according to a large, long-term study by the FDA and the Centers for Disease Control and Prevention (CDC).

Recalls & Warnings

February 06, 2013

Vitamin and Supplement Maker Warned For Labeling Errors, Manufacturing Violations

On January 25, 2013, the FDA issued a warning letter to NX Generation Ltd.