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Product Review

Maca Supplements Review

Choose the Best Maca Supplement. Make Sure Your Maca Supplement Isn't Contaminated With Lead.

Maca Supplements Reviewed by ConsumerLab.com

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

Ginseng Supplements Review

Find the Best Ginseng Supplement. Key "Ginsenosides" Found to Range 10-Fold Across Products.

Ginseng Supplements Reviewed by ConsumerLab

Product Review

Lion's Mane and Chaga Supplements Review

Read Labels Carefully -- Many Can Mislead

Lion's Mane and Chaga Supplements tested by ConsumerLab.com

Product Review

Ginger Supplements, Chews & Spices Review

Tests Reveal Best and Worst Ginger Supplements & Spices. Poor Quality and Lead Contamination Discovered in Some Products.

Ginger Supplements Reviewed By Consumerlab.com

Product Review

St. John's Wort Supplements Review

Find the Best St. John's Wort Supplement. Only 40% of St. John's Wort Supplements Pass Tests & Strength Varies Widely.

St John's Wort Supplements Reviewed By Consumerlab.com

CL Answer

I recently read that turmeric is only effective if it is combined with black pepper. Is this true?

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

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

Product Review

Valerian Supplements Review

Choose the Best Valerian Supplement. Strength and Contamination Vary Widely Among Popular Valerian Brands.

Valerian Supplements Reviewed by ConsumerLab.com

Product Review

Rhodiola Rosea Supplements Review

Do Rhodiola Supplements Help With Depression and Anxiety? Find Out and See Which Rhodiola Supplements Provide the Best Quality & Value.

Rhodiola Supplements Reviewed by ConsumerLab.com

News Release

10/06/2022

Lion’s Mane and Chaga Supplement Labels May Mislead, According to ConsumerLab Tests

  White Plains, New York, October 6, 2022 — Lion’s mane and chaga supplements are often promoted to improve memory and mood, boost the immune system, and a range of other health benefits.

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.

News Release

6/16/2021

Wide Variations in Ginseng Potency, Quality Revealed by ConsumerLab Tests

White Plains, New York, June 16, 2021 — Ginseng is promoted for a wide range of uses, from increasing energy, "vitality," and libido, to improving blood sugar levels and preventing colds.

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

12/22/2020

Best and Worst Ginger Supplements, Chews & Spices Identified by ConsumerLab. Contamination, Less Ginger Than Expected in Some Products.

White Plains, New York, December 22, 2020 — Ginger is not only a popular spice but may reduce nausea from motion sickness and pregnancy and modestly decrease pain from osteoarthritis. Key compounds in ginger known as gingerols are believed to be active components of ginger.

News Release

4/03/2020

Tests of Holy Basil Supplements Show 63% Fail on Quality -- ConsumerLab Tests Reveal the Best and Worst Holy Basil Supplements

White Plains, New York, April 3, 2020 — Holy basil supplements are promoted to reduce stress and anxiety, lower blood sugar, and strengthen the immune system.

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

4/04/2017

ConsumerLab.com Reveals Best and Worst Turmeric and Curcumin Supplements & Spices -- 31% Fail ConsumerLab.com Tests of Quality

White Plains, New York, April 4, 2017 — Turmeric and its key compound, curcumin, may be help reduce symptoms of inflammation in rheumatoid arthritis and osteoarthritis and may be helpful in treating depression, diabetes, and indigestion.

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

9/26/2016

60% of St. John's Wort Supplements Fail ConsumerLab.com Tests of Quality

White Plains, New York, September 26, 2016 — St. John's wort extracts can be as effective as standard antidepressant drugs for treating mild to moderate major depression, with significantly fewer side effects. However, recent ConsumerLab.com tests revealed that six of ten St.

News Release

7/05/2016

80% of Milk Thistle Supplements Fail ConsumerLab.com Tests of Quality -- Most Found to Be Low in Key Component

White Plains, New York, July 5, 2016 — Milk thistle supplements naturally contain silymarin compounds which may be helpful in certain liver diseases as well as type 2 diabetes. However, recent ConsumerLab.

News Release

3/22/2016

Rhodiola: Does It Help With Depression and Anxiety and Which Brands Are Best? -- ConsumerLab.com Reviews the Evidence and Tests the Quality of Popular R. Rosea Supplements --

White Plains, New York, March 22, 2016 — Rhodiola (R. rosea) supplements are promoted to treat depression, anxiety, and fatigue — but do they really work? And do products on the market contain the right species, amounts, and appropriate doses of R.

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

1/05/2016

Cinnamon Spices and Supplements Found to Vary Widely in Levels of Potentially Helpful and Harmful Compounds Reports ConsumerLab.com

White Plains, New York, January 5, 2016 — Cinnamon supplements may be helpful for controlling blood sugar in people with type 2 diabetes or prediabetes, possibly due to compounds known as proanthocyanidins or PACs.

News Release

9/19/2015

ConsumerLab.com Tests Popular Prostate Supplements with Saw Palmetto and Beta-Sitosterol

White Plains, New York, September 19, 2015 — Can prostate supplements with ingredients such as saw palmetto or beta-sitosterol improve symptoms of an enlarged prostate, a condition affecting more than half of men over age 60? And, if so, which supplements are properly made and labeled and ...

News Release

7/01/2015

Tests of Maca "Enhancement" Supplements Find Real Maca, But Some Lead Contamination and Seemingly Excessive Amounts of Rice Filler

White Plains, New York, July 1, 2015 — It's touted for increasing stamina and sexual performance and sales have steadily increased for more than a decade, but do maca supplements really contain this root indigenous to Peru? To answer this question, 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

1/06/2015

Only 25% of Ashwagandha Supplements Pass ConsumerLab.com Review

White Plains, New York, January 6, 2015 —"It's very hard to find a good ashwagandha supplement," notes Tod Cooperman, M.D., President of ConsumerLab.com, the health product testing company which recently completed evaluations of ashwagandha herbal supplements.

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

10/23/2013

Valerian “Sleep” Supplements Vary Widely in Key Compounds and Two Fail Tests for Lead Contamination

White Plains, New York — October 23, 2013 — Valerian root powders and extracts are popular herbal sleep aids and may have anti-anxiety effects, but few products on the market provide the amounts of compounds typically used in clinical trials, and some are contaminated with lead, ...

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

12/21/2012

ConsumerLab.com Tests Reveal What's Really In Green Tea Supplements and Bottled Drinks

White Plains, New York — December 21, 2012 — How do levels of EGCG and caffeine in green tea supplements and bottled teas compare with levels provided in a typical brewed green tea? It very much depends on the brand, according to new tests by ConsumerLab.com.

News Release

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

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

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

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

2/14/2007

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

8/15/2006

Over 70% of herbal sleep supplements fail tests for quality by ConsumerLab.com — Results for 16 valerian products released today

WHITE PLAINS, NEW YORK — AUGUST 15, 2006 — Most of the valerian dietary supplements recently tested by ConsumerLab.com were low in potency and/or contaminated, the testing company reported today. Valerian, an herbal sleep aid, accounts for approximately $50 million in sales in the U.S.