Harvard Heart Letter

Taking supplements for your heart? Save your money

Research we’re watching Yet another study has found that most vitamin, mineral, and other nutritional supplements provide no protection against heart disease. The new analysis, published July 8 in Annals of Internal Medicine, reviewed data from hundreds of clinical trials that pitted 16 different vitamins or other supplements against placebos. Most of them — including vitamin A, vitamin B6, vitamin D, multivitamins, calcium, iron, and selenium — showed no association with a higher or lower…

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