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Product Review
Vitamin K Supplements Review (Including Calcium, Magnesium, Boron, and Vitamin D)
Should You Take Vitamin K? Beware of Products That Don't Deliver.
Product Review
Acetyl-L-Carnitine Supplements Review
Choose the Best Acetyl-L-Carnitine Supplement. Don't Overpay! CL Identifies Quality Acetyl-L-Carnitine Supplements at the Best Value.
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Product Review
Berberine and Goldenseal Supplements Review
Choose the Best Berberine & Goldenseal Supplements. CL Tests Reveal Problems With 25% of Berberine and 67% of Goldenseal Supplements.
Product Review
Menopause Supplements Review (Soy and Red Clover Isoflavones, Black Cohosh) and Progesterone Creams
Choose the Best Menopause Supplement. Find Out Now Which Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Have the Active Compounds You Want!
Product Review
L-Theanine Supplements Review
Find the Best L-Theanine Supplement. Find Out If L-Theanine Helps for Stress and Which Products Are Best.
Product Review
Magnesium Supplements Review (Including Calcium, Boron, and Vitamins D & K)
Find Out What Magnesium Does, Who Needs It, and Our Top Picks Among Supplements
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.
Product Review
Vitamin A Supplements Review, Including Beta-Carotene and Cod Liver Oil
Find the Best Vitamin A Supplement. Best Quality Vitamin A Supplements Identified, Including Cod Liver Oil.
Product Review
CoQ10 and Ubiquinol Supplements Review
Find the Best CoQ10 and Ubiquinol Supplements and Learn What They Do
Product Review
Potassium Supplements Review
Be Careful with Potassium Supplements! Problems Found. Tests and Reviews of Potassium Supplements & CL's Top Picks.
Product Review
B Vitamin Supplements Review (B Complexes, B6, B12, Biotin, Folate, Niacin, Riboflavin & More)
See Which B Vitamins Are ConsumerLab's Top Picks!
CL Answer
I read on your website that some B-12 vitamins cause diarrhea due to added sugar substitutes like sorbitol. I stopped mine and my diarrhea stopped immediately. Which B-12 doesn't contain sorbitol?
Learn how to avoid gastrointestinal problems with B-12 and other supplements due to added sugar substitutes.
CL Answer
Which supplements are best for seasonal allergies?
Find out which supplements are best for allergies and can help reduce seasonal allergy symptoms, including bromelain, curcumin, vitamin D, and CLA.
Product Review
Calcium and Bone Health Supplements Review (Including Vitamins D & K, Magnesium and Boron)
See Which Bone Health Supplements Are Top Picks and Which Fail
CL Answer
Are CoQ10 and ubiquinol safe to take for a long period of time? Should I give it a rest period?
CoQ10 and ubiquinol supplements safety tips - including dosage, side effects, drug interactions and prolonged usage.
CL Answer
Which supplements are important after bariatric surgery (i.e., weight loss or stomach-reducing surgery)? Are there any I should avoid?
Find out which supplements may help after weight loss or stomach reducing surgery, including iron and calcium, and which should be avoided.
CL Answer
Which is the best form of magnesium to take - one that contains the most magnesium and is best absorbed?
Info on which is the best form of magnesium supplements to take and what to look for when choosing the best magnesium supplement. ConsumerLab.com explains.
News Release
6/14/2022
Best B Complexes, B12, and Other B Vitamin Supplements Revealed by ConsumerLab Tests: Beware of High Doses
White Plains, New York, June 14, 2022 — Recent ConsumerLab tests of over 30 popular vitamin B complexes and supplements revealed that four products contained either much less, or much more, of at least one B vitamin listed on the label.
News Release
4/02/2022
ConsumerLab Discovers Less Vitamin K Than Listed in Some Supplements
White Plains, New York, May 16, 2022 — Vitamin K plays an important role in proper blood clotting and calcium utilization in bones and is a common ingredient in bone health supplements.
News Release
3/11/2022
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
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
9/11/2021
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.
News Release
5/18/2021
Caution With Potassium Supplements: You Could Get More Than Expected
White Plains, New York, May 18, 2021 — Recent tests by ConsumerLab.com of popular potassium supplements on the market revealed that consumers to get much more or much less potassium than expected from certain products.
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
7/31/2019
ConsumerLab Tests Reveal Best CoQ10 and Ubiquinol Supplements
White Plains, New York, July 31, 2019 — CoQ10 is among the most popular supplements, commonly taken to offset a decline in natural levels of CoQ10 that can occur with the use of statin medications, decrease statin side effects, and increase energy.
News Release
6/25/2019
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
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
10/26/2018
Best Vitamin A Supplements, Including Cod Liver Oils, Identified by ConsumerLab
White Plains, New York, October 26, 2018 — Vitamin A is necessary to maintain good vision, skin, and immune functioning, and supplementation can be beneficial for certain conditions — although most people get enough from food and getting too much vitamin A can be dangerous.
News Release
10/02/2018
Best Joint Health Supplements Identified -- ConsumerLab Tests Glucosamine, Chondroitin, MSM and Boswellia Supplements for People and Pets
White Plains, New York, October 2, 2018 — Do joint health supplements with ingredients such as glucosamine, chondroitin, Boswellia, and MSM really relieve joint pain or slow the progression of osteoarthritis? If so, which products are best? To find out, ConsumerLab recently tested popular ...
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
12/12/2017
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
11/01/2017
Gummies Are Most Likely to Fail Testing in Review of Multivitamins -- Best and Worst Multivitamins Identified by ConsumerLab Testing
White Plains, New York, November 1, 2017 — Multivitamin/multimineral supplements are among the most popular supplements, with many consumers relying on them to provide nutrients they may not get from their diets. However, ConsumerLab.
News Release
6/21/2017
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
5/26/2017
ConsumerLab.com Tests Reveal the Best Calcium Supplements
White Plains, New York, May 26, 2017 — Most people know that calcium is important for building and maintaining strong bones, but with so many different forms, dosages and ingredient combinations available on the market, choosing a calcium supplement can be difficult. To help, ConsumerLab.
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
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
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
1/12/2016
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
8/13/2015
Feeling Stressed? ConsumerLab.com Reviews the Evidence for L-Theanine and Test Popular Products
White Plains, New York, August 21, 2015 — L-theanine is often promoted to reduce stress, and for conditions such as ADHD — but does it really work? ConsumerLab.com recently reviewed the evidence and purchased popular brands of L-theanine to test their quality.
News Release
7/31/2015
ConsumerLab.com Tests Reveal What's Really in Menopause Supplements and Creams -- Soy Isoflavone, Red Clover, Black Cohosh, and Progesterone Products Reviewed
White Plains, New York, July 31, 2015 — Women looking for relief from hot flashes and other menopausal symptoms often turn to supplements containing estrogen-like isoflavones (from soy or red clover) black cohosh, or creams containing progesterone — but it may be difficult to choose the ...
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
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
2/26/2014
Mislabeling of Some Joint Health Supplements with Glucosamine, Chondroitin, Boswellia, and MSM According to ConsumerLab.com -- 38 Supplements Tested, Including Products for Dogs and Cats --
White Plains, New York, February 26, 2014 — Glucosamine, chondroitin, Boswellia, and MSM are popular dietary supplement ingredients for treating symptoms of osteoarthritis — worn joint cartilage.
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
3/05/2013
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
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
11/26/2012
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
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.
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
7/12/2011
ConsumerLab.com tests menopause supplements and creams: Most are "Approved," but some found contaminated or lacking claimed amount of ingredient
White Plains, New York — July 12, 2011 — Women looking for relief from hot flashes and other menopausal symptoms often turn to supplements containing estrogen-like isoflavones (from soy or red clover), the herbal remedy black cohosh, or creams containing progesterone.
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
11/10/2010
Only 22% of valerian herbal sleep supplements selected for review pass tests for quality by ConsumerLab.com
WHITE PLAINS, NEW YORK — NOVEMBER 10, 2010 — ConsumerLab.com reported that most of the valerian herbal supplements recently selected for testing contained less of the herb than expected and/or were contaminated with lead.
News Release
8/16/2010
Problems persist with ginseng supplements -- Review by ConsumerLab.com finds 45% of products don't provide full amount of ingredient or are contaminated
WHITE PLAINS, NEW YORK — August 16, 2010 — ConsumerLab.com reported today that five out of eleven ginseng supplements recently selected for testing contained less ginseng than expected from their labels or were contaminated with lead and/or pesticides.
News Release
10/07/2009
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
11/18/2008
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
5/05/2008
Some iron supplements short on iron or contaminated according to ConsumerLab.com
WHITE PLAINS, NEW YORK — May 5, 2008 — ConsumerLab.com announced today that two iron supplements failed to pass recent independent testing. One "high potency" iron supplement contained only 37% of it claimed iron. 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
7/12/2007
ConsumerLab.com finds lutein & zeaxanthin supplements vary widely in strength but most meet ingredient claims — Right amount of antioxidant may help prevent macular degeneration and improve vision
WHITE PLAINS, NEW YORK — July 12, 2007 — ConsumerLab.com announced today that all but one of the thirteen lutein and zeaxanthin supplements it recently chose to test met quality standards.
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
4/26/2006
ConsumerLab.com tests cancer-prevention supplements; several contaminated with lead or low in ingredient — Report available for green tea, selenium, and lycopene supplements
WESTCHESTER COUNTY, NEW YORK — APRIL 26, 2006 ConsumerLab.com announced results today from its new Product Review of Supplements for Cancer Prevention covering 22 products. Cancer is the second leading cause of death in the U.S.
