Harvard Health Letter

The hidden dangers of dietary supplements

News briefs Dietary supplements marketed for sexual function which are supposed to be free of conventional drugs may contain hidden pharmaceutical ingredients. A study published online Oct. 12, 2018, by JAMA Network Open analyzed almost 800 supplements. Most were for sexual enhancement, weight loss, or muscle building. About 80% of the supplements contained one pharmaceutical ingredient, 20% contained more than one pharmaceutical ingredient, and some (33 products) contained three or more…

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