ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. Learn how to enable it here.

Search term may appear only in full report available to members. Join now for full access.

Clinical Update

7/17/2021

Fish Oil and Fatty Liver Disease?

Can taking fish oil over a lifetime increase the risk of developing fatty liver disease? Find out in the Concerns and Cautions section of the Fish Oil Supplements Review.

Product Review

Fruits, Veggies, and Other Greens Supplements Review (Including Spirulina and Chlorella)

Avoid Lead in Greens, Problems with Pills, and Don't Give Up Eating Whole Foods.

Greens Review Oct 2023

Product Review

Canned Tuna, Salmon, Sardines & Mackerel Review

Find Fish With the Least Mercury & Arsenic and Most Omega-3s

Canned Fish Review 2025

CL Answer

How concerned should I be about glyphosate in foods and supplements?

Find out if you should be concerned about glyphosate in foods and supplements. ConsumerLab.com's answer explains.

Glyphosate in Food -- bowl of oat o's cereal

CL Answer

I thought the B vitamins were all water soluble and did not build up in the body, so you would not build up toxic levels. Am I wrong?

Learn more about water-soluble B vitamins including niacin, B6, B12 and folic acid, and why taking too much of these vitamins can be toxic. See the symptoms of overdose and toxicity from B vitamins. ConsumerLab.com's answer explains.

B Vitamins

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

Can biotin supplements really strengthen nails or improve hair? Can other supplements help?

Learn more about strengthening brittle nails with vitamin B-7 (biotin), based on clinical evidence.

Supplements for Brittle Nails -- healthy nails

CL Answer

Why is there so much cadmium, a toxin, in cocoa powders but not in dark chocolate?

Learn more about the presence of the toxic heavy metal cadmium in cocoa powder and dark chocolate.

Cocoa Powder

CL Answer

Do brain games and apps really work and improve memory?

Find out if brain training games & apps, like Lumosity & BrainHQ, really work to train the mind and improve memory. ConsumerLab.com's answer explains.

Do brain games really improve memory? -- hand holding smartpphone with game app

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

News Release

April 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

March 02, 2010

ConsumerLab.com finds carcinogenic form of chromium in supplements, including those for weight loss -- Reviews published of supplements containing chromium, green tea, 7-keto DHEA and stimulant formulas

White Plains, New York — March 2, 2010 — A carcinogenic form of chromium, hexavalent chromium, is present is some dietary supplements, according to new tests by ConsumerLab.com.

News Release

March 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.

Recalls & Warnings

October 29, 2019

Publisher Sued for Promoting "Phony Diabetes Cure"

On October 24, 2019 the FTC filed a lawsuit against the publisher of books, newsletters, and other publications aimed at seniors that falsely promise to cure type 2 diabetes.