Reviews and Information for All Good

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What’s the Best Way to Get High-Quality Protein from Food?

Find out the best way to get high-quality protein from animal or plant-based food instead of supplements.

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Is drinking coffee good or bad for heart health?

Learn more about coffee and caffeine, its safety, if it's good for you, how much coffee is too much and its impact on your heart.

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My doctor warned me that red yeast rice can cause liver damage - is that true?

Can red yeast rice cause liver damage? More information on its effects, including possible danger to the liver and kidneys.

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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).

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The maker of my multivitamin says it doesn't include folic acid because too much from supplements can be harmful. Is that true?

Learn more about the harmful effects from too much folic acid, including increased risk of prostate cancer and kidney damage.

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Does heat kill coronavirus (COVID-19)? Can it disinfect face masks and packages?

Find out if heat kills the coronavirus SARS-CoV-2 that causes COVID-19 infection. Learn what temperature kills the coronavirus and more. ConsumerLab explains.

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I take levothyroxine (Synthroid), a thyroid hormone to treat hypothyroidism. Are there supplements or foods I should avoid, or be taking, due to this drug?

Is taking certain supplements and hypothyroidism medications bad? Learn which supplements can interact with thyroid hormone medications like levothyroxine (Synthroid), thyroid hormone levels, and laboratory tests.

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Which ingredients should toothpastes and other dental products contain, and which should be avoided?

Learn about ingredients you want in your toothpaste, mouthwash and other dental products and which ingredients you may want to avoid.

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Sugar Substitutes: Pros, Cons, and Best Choices

Learn about the pros and cons of using sugar substitutes and artificial sweeteners in place of table sugar. Sweeteners discussed include stevia, monk fruit, and other high-intensity sweeteners; xylitol, erythritol, allulose and other low-calorie sweeteners; and agave syrup, coconut sugar, honey, molasses and other sugar alternatives.

Recalls & Warnings

December 27, 2019

Federal Court Shuts Down Three Supplement Companies With Serious Manufacturing Violations

Update: (1/23/20) ABH has issued a recall of all its products, which are sold under various brand names by over 800 distributors and retailers. More details are available in CL's post about this recall.