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Recent tests of protein powders by a separate group showed that certain forms of protein were more likely than others to be contaminated with lead and cadmium. Get the details.
Testing of avocado oils by a separate research group detected phthalates (hormone disruptors) in all samples. Find out how these amounts compare to safety limits.
The colorant, Red No. 3, will be banned from foods and supplements starting in 2027. Find out why in our article about Other Ingredients in Supplements.
A recent study suggested that taking calcium before load-bearing exercise helped prevent bone turnover, but is this important? Find out in our Calcium Supplements Review, which includes our Top Picks for calcium.
Low blood levels of vitamin D have been linked with higher migraine frequency. A new study suggests why. Get the details in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.
Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.
Learn about the benefits and safety of light boxes (including who is most likely to benefit), how to use these devices, which commercially available products appear to meet the technical requirements, and who should not use light boxes.
Find out if estrogen creams can help reduce wrinkles, whether they are safe, and how "prescription" estriol and estradiol creams and gels differ from those sold over-the-counter.
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.
Recent tests of protein powders by a separate group showed that certain forms of protein were more likely than others to be contaminated with lead and cadmium. Get the details.
Testing of avocado oils by a separate research group detected phthalates (hormone disruptors) in all samples. Find out how these amounts compare to safety limits.
The colorant, Red No. 3, will be banned from foods and supplements starting in 2027. Find out why in our article about Other Ingredients in Supplements.
A recent study suggested that taking calcium before load-bearing exercise helped prevent bone turnover, but is this important? Find out in our Calcium Supplements Review, which includes our Top Picks for calcium.
Low blood levels of vitamin D have been linked with higher migraine frequency. A new study suggests why. Get the details in our Vitamin D Supplements Review, which includes our Top Picks for vitamin D.
Learn about supplement ingredients such as iodine, selenium, zinc, acetyl-l-carnitine, ashwagandha and guggul used for thyroid conditions and find out if they are beneficial. Also learn why ingredients such as alpha-lipoic acid, soy, resveratrol, quercetin may impair thyroid function.
Vitamins and supplements that may help with hair loss and thinning, including saw palmetto, beta-sitosterol, protein, iron, and vitamin D.
Learn about the benefits and safety of light boxes (including who is most likely to benefit), how to use these devices, which commercially available products appear to meet the technical requirements, and who should not use light boxes.
Find out if estrogen creams can help reduce wrinkles, whether they are safe, and how "prescription" estriol and estradiol creams and gels differ from those sold over-the-counter.
Find out which supplements and foods can help relieve acid reflux, and which can make it worse.
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