Reviews and Information for NutriCology
Search term may appear only in full report available to members. Join now for full access.
Product Review
DHEA Supplements Review
Choose the Best DHEA Supplement. Beware of Big Differences in Dose and Price.
Product Review
Magnesium Supplements Review (Including Calcium, Vitamins D & K, and Boron)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
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 magnesium stearate, what is it made from, and is it dangerous?
Learn more about magnesium stearate and its safety, based on evidence from clinical studies.
News Release
May 07, 2024
ConsumerLab Tests Magnesium Supplements, Spots Problems and Selects a Top Pick
White Plains, NY, May 7, 2024 — Nearly half the U.S. population does not get adequate amounts of magnesium and may benefit from increasing magnesium intake from foods or supplementation.
News Release
March 11, 2022
Best Magnesium Supplements Identified by ConsumerLab
White Plains, New York, May 12, 2022 — Nearly half the U.S. population does not get adequate amounts of magnesium and can benefit from increasing magnesium intake from foods or supplementation.
News Release
February 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.
News Release
February 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
February 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
September 27, 2019
Best Turmeric and Curcumin Supplements and Spices Identified by ConsumerLab
White Plains, New York, September 27, 2019 — Turmeric and curcumin (the major compound in turmeric) are among the most popular supplements, promoted to reduce inflammation and help with conditions such as arthritis as well as indigestion and depression.
News Release
June 25, 2019
ConsumerLab Tests Reveal Best B Vitamin Supplements -- 19% of B Vitamin Supplements Fail CL's Tests of Quality
White Plains, New York, June 25, 2019 — B vitamins and complexes are among the most popular supplements sold in the U.S. because B vitamins are essential for a wide range of functions in the body.
News Release
February 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
February 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
December 12, 2017
Berberine and Goldenseal: Avoid Fakes! -- ConsumerLab.com Testing Reveals the Best and Worst Supplements
White Plains, New York, December 12, 2017 — Berberine, a compound found in goldenseal root, may help to lower blood sugar in certain people, and may have other potential benefits. However, ConsumerLab.
News Release
June 21, 2017
Which Magnesium Is Best? ConsumerLab.com Tests Popular Brands and Reveals Its Top Pick
White Plains, New York, June 21, 2017 — Magnesium supplements are among the most popular supplements, but do you need to take one and, if so, which is best? To find out, ConsumerLab.com reviewed the clinical evidence, and purchased and tested popular magnesium supplements sold in the U.S.
News Release
February 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
February 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
February 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
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.
News Release
June 10, 2015
ConsumerLab.com Tests Reveal Best and Worst Magnesium Supplements
White Plains, New York, June 10, 2015 — Magnesium supplements have become extremely popular, surpassing even calcium among frequent users of supplements. However, recent tests by ConsumerLab.
News Release
February 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
May 07, 2014
Flaxseed and Other Popular Seed Oil Supplements Tested by ConsumerLab.com, But Not All Brands Pass -- Flaxseed, Black Currant, Borage and Evening Primrose Oils Reviewed
White Plains, New York, May 7, 2014 — Plant seed oils are popular supplements that provide omega-3 and omega-6 fatty acids, but which products offer the best value and quality? Recent analyses by ConsumerLab.
News Release
February 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
February 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
November 26, 2012
Tests Show Many Milk Thistle Supplements Low in Key Component -- Seven of Eleven Products Fail ConsumerLab.com Testing of Herb Used in Diabetes and Liver Diseases
White Plains, NY, November 26, 2012 — Recent tests by ConsumerLab.com of eleven milk thistle supplements show that only four met ConsumerLab.com's quality standards.
News Release
May 30, 2012
ConsumerLab.com Identifies Best and Worst Magnesium Supplements Based on Tests and Comparisons
White Plains, New York — MAY 30, 2012 — Magnesium supplements are among the most popular supplements in the U.S. But which magnesium supplements are best? ConsumerLab.
News Release
February 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
January 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
January 11, 2011
Spoilage and labeling errors found with some omega-3 and -6 supplements; Review of evening primrose, flaxseed, borage, and black currant oil supplements
WHITE PLAINS, NEW YORK — JANUARY 10, 2011 — A new report on the quality of omega-3 and -6 fatty acid supplements made from seed oils was released by ConsumerLab.com today. Only 11 of 17 products selected for testing met quality criteria for freshness and labeling.
News Release
May 19, 2009
Review of Magnesium Supplements by ConsumerLab.com Shows One-Quarter Fail Quality Tests
WHITE PLAINS, NEW YORK — MAY 19, 2009 — ConsumerLab.com reported today that among twelve magnesium supplements selected for testing, only nine met quality standards. One supplement contained only 45.
News Release
November 18, 2008
Adulteration Suspected with Some "Memory" Supplements -- Few Ginkgo and Huperzine Supplements Pass ConsumerLab.com Tests; Quality High for Acetyl-L-Carnitine
WHITE PLAINS, NEW YORK — NOVEMBER 18, 2008 — Tests by ConsumerLab.com of Ginkgo biloba supplements show that few products meet quality standards.
News Release
January 08, 2008
ConsumerLab.com finds most potassium supplements meet quality standards, but one with only 18% of ingredient — Results for 12 potassium supplements in new review
WHITE PLAINS, NEW YORK — JANUARY 8, 2008 — A new report on the quality of potassium supplements was released by ConsumerLab.com today. Tests showed one product to contain only 18% of the claimed amount of this essential mineral.
News Release
December 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
August 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
August 07, 2015
Male Enhancement and Weight Loss Supplement Containing Drugs Recalled
On August 6, 2015 Blue Square Market Inc. issued a recall of the following supplements which were found to contain undeclared drugs: