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Product Review

Psyllium Fiber Supplements Review

Most Psyllium Supplements Failed Our Tests Due to Lead Contamination. Find Out Which Passed or Failed and Which Is Our Top Pick.

Psyllium Supplements Reviewed by Consumerlab.com

Product Review

Lysine Supplements Review

Choose the Best Lysine Supplement. CL Tests Reveal Which Lysine Supplements Provide the Best Quality and Value.

Product Review

SAMe (S-adenosyl-methionine) Supplements Review

Choose the Best SAMe Supplement. CL Tests Reveal Big Differences in Quality and Cost.

Sam-e supplements reviewed by ConsumerLab.com

News Release

2/25/2022

Top-rated Vitamin and Supplement Brands and Merchants for 2022 Based on Consumer Satisfaction

White Plains, New York, February 25, 2022 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 8,049 responses collected in November/December 2021.

CL Answer

Can taking too much vitamin B-6 be dangerous?

Find out if multivitamins contain excessive amounts of B-6, how much B-6 is too much, and symptoms of toxicity and overdose.

Vitamin tablets placed on a table to spell B6

CL Answer

PFAS (Per- and Polyfluoroalkyl Substances): How can I avoid PFAS in dental floss, food, water, and other products?

Some brands of dental floss, including Oral-B Glide, may contain potentially toxic chemicals known as PFAS (polyfluoroalkyl substances), according to one study. Get the details in ConsumerLab's answer.

Toxic PFAS Chemicals in Dental Floss -- Woman Looking at Dental Floss

News Release

2/25/2021

Top-rated Vitamin and Supplement Brands and Merchants for 2021 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

White Plains, New York, February 25, 2021 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,647 responses collected in November 2020.

News Release

2/25/2020

Top-rated Vitamin and Supplement Brands and Merchants for 2020 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

White Plains, New York, February 25, 2020 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,782 responses collected in late November and early December 2019.

News Release

2/25/2019

Top-rated Vitamin and Supplement Brands and Merchants for 2019 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

White Plains, New York, February 25, 2019 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 10,931 responses collected in late November and early December 2018.

News Release

2/25/2018

Top-rated Vitamin and Supplement Brands and Merchants for 2018 Based on Consumer Satisfaction

White Plains, New York, February 25, 2018 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 11,446 responses collected in late November and early December 2017.

News Release

5/17/2017

Best Vitamin D? ConsumerLab.com Tests Popular Vitamin D Supplements and Reveals Its Top Picks

White Plains, New York, May 17, 2017 — Vitamin D is currently the most popular dietary supplement among people who regularly use supplements according to a recent survey by ConsumerLab.com.

News Release

2/25/2017

Top-rated Vitamin and Supplement Brands and Merchants for 2017 Based on Consumer Satisfaction

White Plains, New York, February 25, 2017 — Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 9,505 responses collected in late November and early December 2016.

News Release

2/23/2017

ConsumerLab.com Reveals Best and Worst B Vitamin Supplements and Why Current Labels Often Mislead

White Plains, New York, February 24, 2017 — B vitamins and complexes are popular supplements, but labels often mislead, says a new report from ConsumerLab.com which tested, reviewed, and compared 49 supplements from the U.S.

News Release

3/01/2016

Does Echinacea Really Help With Colds and Which Brands Are Best?

White Plains, New York, March 1, 2016 — Echinacea supplements are a popular choice for preventing colds and treating cold symptoms, but do they really work? And, with so many different types of Echinacea marketed, how do you know which one to choose? To answer these questions, ConsumerLab.

News Release

2/25/2016

Top-rated Vitamin and Supplement Brands and Merchants for 2016 Based on Consumer Satisfaction

Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 11,534 responses collected in November, 2015. Respondents gave ratings for 963 brands and 399 merchants.

News Release

2/09/2016

Lysine: Does It Work for Cold Sores and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests Supplements Often Used to Prevent Herpes Eruptions

White Plains, New York, February 9, 2016 — Lysine is an essential amino acid often taken as a supplement to prevent cold sores, genital herpes lesions, and canker sores. It's also given to cats with feline herpesvirus 1.

News Release

1/19/2016

SAM-e Supplements Providing Best Quality and Value Identified by ConsumerLab.com

White Plains, New York, January 19, 2016 — SAM-e (S-adenosyl-methionine) is involved in the functioning of every cell in the body and, as a supplement, it has been found to be helpful in reducing the pain of osteoarthritis as well as improving mood in major depression.

News Release

1/12/2016

Problems Found with 32% of Multivitamin/Multimineral Supplements -- ConsumerLab.com Identifies Good Choices for Men, Women, and Children

White Plains, New York, January 12, 2016 — You can't always judge a supplement by its label -- or by its price, according to a new report from ConsumerLab.com, which recently tested dozens of multivitamin/multimineral supplements.

News Release

4/28/2015

Best Supplements for Bone Health? ConsumerLab.com Finds Products with Multiple Ingredients More Likely to Contain Wrong Amounts

White Plains, New York, April 28, 2015 — Vitamin D and calcium each play a crucial role in bone health and are among the most popular supplement ingredients in the U.S., but recent ConsumerLab.

News Release

3/17/2015

CoQ10 & Ubiquinol Supplements Vary in Quality, as Well as Dose, Absorption, and Price According to ConsumerLab.com

White Plains, New York, March 17, 2015 — Findings from a recent study by ConsumerLab.com highlights the difficulty consumers have in selecting a supplement containing the highly-popular anti-oxidant CoQ10 or its activated form, ubiquinol. ConsumerLab.

News Release

2/25/2015

Top-rated Vitamin and Supplement Brands and Merchants for 2015 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 10,329 responses collected in November, 2014. Respondents gave ratings for 1,709 brands and 891 merchants.

News Release

1/20/2015

ConsumerLab.com Identifies Best Vitamin A Supplements, But Cautions That Most People Don't Need Them

White Plains, New York, January 20, 2015 — Vitamin A supplements can save your sight and reduce your risk of infection if you are vitamin A deficient. However, deficiency is rare in the U.S., where people are more likely to be at risk for excess vitamin A.

News Release

5/07/2014

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

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

News Release

2/12/2014

Top-rated Vitamin and Supplement Brands and Merchants for 2014 Based on Consumer Satisfaction -- Results of the ConsumerLab.com Survey of Vitamin & Supplement Users

Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 10,326 responses collected in November, 2013. Respondents gave ratings for 1,639 brands and 788 merchants.

News Release

2/01/2013

Top-rated Vitamin and Supplement Brands and Merchants for 2013 Based on Consumer Satisfaction

Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 10,862 responses collected in November, 2012. Respondents gave ratings for 1,438 brands and 851 merchants.

News Release

9/27/2012

ConsumerLab.com Reveals How Much Caffeine is in Energy Drinks -- Also Finds Some Drinks and Dietary Supplements Don't Contain Claimed Amounts of B Vitamins

White Plains, New York — September 27, 2012 — Energy shots and drinks are promoted to keep you alert and energized, attributing their effects to special formulas often "packed with B vitamins and nutrients to make it last," as a commercial for 5-hour Energy proclaims.

Recalls & Warnings

7/18/2022

CVS, Target, Walgreens, and Other Oral Magnesium Citrate Laxatives Recalled Due to Bacterial Contamination

On July 14, 2022, Magnesium Citrate Laxative Oral Solution Lemon Flavor products manufactured by Vi-Jon, LLC and sold under various store brand names were recalled after testing identified the presence of the bacteria Gluconacetobacter liquefaciens.

News Release

2/01/2012

Top-rated vitamin and supplement brands and merchants on consumer satisfaction for 2012 -- Based on ConsumerLab.com Survey of Vitamin & Supplement Users

Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 10,260 responses collected in November, 2011. Most respondents used multiple supplements.

News Release

9/21/2011

Not all vitamin A supplements pass ConsumerLab.com tests -- New report reviews beta-carotene and cod liver oil supplements

White Plains, New York — September 21, 2011 — Recent tests of vitamin A supplements by ConsumerLab.com found one to contain only 54.3% of its listed amount of vitamin A. Another product mislabeled alpha carotene as vitamin A.

News Release

6/16/2011

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.

News Release

4/26/2011

Problems discovered with eight vitamin D supplements in study by ConsumerLab.com -- Incorrect amounts of vitamins, lead contamination, and labeling infractions identified.

White Plains, New York — April 26, 2010 — Among 28 vitamin D supplements recently selected for independent testing, problems were found with 8 products, 29% of those reviewed, according to ConsumerLab.com.

News Release

2/01/2011

Top-rated vitamin and supplement brands and merchants on consumer satisfaction for 2011 -- Based on ConsumerLab.com survey of vitamin and supplement users

Each year, ConsumerLab.com surveys its free e-newsletter subscribers about the vitamins and supplements that they use. The results below are based on 6,010 responses collected in November, 2010. Most respondents used multiple supplements.

News Release

1/31/2011

Vitamin D use increased 52% in past two years according to ConsumerLab.com survey of supplement users -- Fish oil continued to surpass multivitamins as most popular supplement and Internet was most common place to buy supplements

WHITE PLAINS, NEW YORK — FEBRUARY 1, 2011 — Among people who use dietary supplements, the most popular products at the end of 2010 were fish oil, multivitamins, vitamin D, calcium and CoQ10 according to a survey by ConsumerLab.com. Use of vitamin D surged in 2010 to 56.

News Release

1/25/2011

ConsumerLab.com evaluates quality of potassium supplements and identifies those offering best value

WHITE PLAINS, NEW YORK — JANUARY 25, 2011 — A new report on the quality of potassium supplements was released by ConsumerLab.com today. In contrast to its last report on potassium supplements, ConsumerLab.

News Release

1/11/2011

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

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

News Release

6/30/2010

Echinacea supplements vary widely in ingredients but found clear of contaminants according to ConsumerLab.com -- New review guides consumers through wide range of dosage, species, preparations, and formulas in echinacea products

WHITE PLAINS, NY — June 30, 2010 — Echinacea may help prevent colds and cold-symptoms, but choosing a supplement is difficult due to the range of ingredients offered. To provide consumers guidance, ConsumerLab.

News Release

4/14/2010

ConsumerLab.com reports most St. John's wort supplements fail quality tests -- An effective antidepressant herb but heavy metal contamination and low potency are concerns

White Plains, New York — April 14, 2010 — St. John's wort has been shown to be effective in treating mild to moderate forms of major depression, but a new report from ConsumerLab.com shows that few of the herbal supplement brands recently tested met quality standards. Among the ten St.

News Release

3/31/2009

ConsumerLab.com Warns of Problems with Multivitamins and Vitamin Water -- Defects Found in Over 30% of Supplements Selected for Testing; Several Popular Children's Multis Exceed Tolerable Upper Intake Levels

WHITE PLAINS, NEW YORK — MARCH 31, 2009 — Over 30% of multivitamins recently selected for testing by ConsumerLab.com were found to contain significantly more or less ingredient than claimed or were contaminated with lead.

News Release

3/10/2009

ConsumerLab.com reports deficiencies in some supplements containing calcium, vitamin D, or vitamin K -- Focus on bone health supplements and new uses for vitamins D and K

WHITE PLAINS, NEW YORK — MARCH 10, 2009 — In a large review of supplements relating to bone health, ConsumerLab.com reported today that tests showed five products to provide only 52.5% to 89% of the listed amounts of calcium or vitamin K. ConsumerLab.

News Release

10/28/2008

Tests reveal quality problems with vitamin A supplements -- New ConsumerLab.com report focuses on vitamin A, including beta-carotene and cod liver oil

WHITE PLAINS, NEW YORK — OCTOBER 28, 2008 — ConsumerLab.com is cautioning that the amount vitamin A in some supplements may be much higher or lower than the amount stated on labels. Among ten supplements recently selected for testing, ConsumerLab.

News Release

9/10/2007

Tests of B-vitamins by ConsumerLab.com finds several short on folic acid — New report covers B-complexes, thiamin, niacin, B-6, B-12, biotin and folic acid supplements

WHITE PLAINS, NEW YORK — SEPTEMBER 10, 2007 — Half of the B-complex supplements recently selected by ConsumerLab.com for testing were found to lack the total claimed amounts of folic acid, an essential nutrient also known as vitamin B-9.

News Release

6/12/2007

Tests show many milk thistle supplements low in key component — Seven products fail ConsumerLab.com testing of herb used in diabetes and liver diseases

WHITE PLAINS, NEW YORK — June 12, 2007 — Tests by ConsumerLab.com of nine milk thistle supplements that it selected showed that only two contained the expected amounts of silymarin compounds, believed to be the active constituent of milk thistle.

News Release

2/15/2007

ConsumerLab.com survey shows brands and merchants rated highest by dietary supplement users

CONSUMERLAB.

News Release

12/12/2006

Probiotic supplements grow in popularity but viable bacteria missing in many — ConsumerLab.com cautions consumers to select probiotics carefully and store them properly

WHITE PLAINS, NEW YORK — DECEMBER 12, 2006 — Sales of supplements containing beneficial organisms (probiotics) have grown rapidly, but a new test report from ConsumerLab.com shows that 44% contained fewer viable organisms than claimed or generally known to be effective.

News Release

10/20/2006

ConsumerLab.com report on CoQ10 supplements finds quality high but large range in suggested dosage

WHITE PLAINS, NEW YORK — OCTOBER 20, 2006 — New test results from ConsumerLab.com for CoQ10 supplements show that all of the products selected contained amounts of ingredient consistent with their labels.

News Release

8/16/2005

ConsumerLab.com tests potassium supplements — Report now online for sixteen products

WHITE PLAINS, NY — August 16, 2005 — ConsumerLab.com has released a new report on the quality of potassium supplements. Potassium is used to treat or prevent potassium deficiency caused by diuretic drugs ("water pills"), prolonged vomiting, diarrhea or laxative abuse.

Recalls & Warnings

12/12/2014

Marketers of HCG Settle FTC Charges of Deceptive Weight Loss Claims

Marketers of HCG Platinum drops have agreed to pay $1 million to settle Federal Trade Commission (FTC) charges that claims the drops could cause rapid and substantial weight loss were deceptive and not supported by scientific evidence.

Recalls & Warnings

6/12/2014

Marketers of Memory Supplement Settle FTC Charges of Deceptive Claims

Martek Biosciences Corporation and i-Health Inc., marketers of BrainStrong Adult, have agreed to settle Federal Trade Commission (FTC) charges that claims the supplement could improve adult memory and prevent cognitive decline were deceptive, and not supported by sufficient clinical evidence.

Recalls & Warnings

8/27/2013

FTC Refunds Consumers of Children's Vitamins as Part of Deceptive Advertising Settlement

On August 8, 2013, the Federal Trade Commission (FTC) announced it has mailed 10,144 refund checks to consumers who purchased Disney or Marvel Hero -themed children's vitamins, including Disney Princesses, Winnie the Pooh, Finding Nemo, and Spider-Man varieties, between May 1, 2008 and September ...

Recalls & Warnings

6/04/2004

FTC Charges Marketers of Two Supplements with False Claims to Cure Range of Diseases

On June 3, 2004 the Federal Trade Commission (FTC) charged marketers of two dietary supplements with falsely claiming that their products can prevent and cure cancer and other diseases. According to the FTC’s complaint, Boston-area marketers Direct Marketing Concepts, Inc. (DMC), ITV Direct, Inc.