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Studies Question Herbal Supplement Safety

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Studies Question Herbal Supplement Safety

Science

Studies Question Herbal Supplement Safety

Studies Question Herbal Supplement Safety

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  • <iframe src="https://www.npr.org/player/embed/1433144/1433145" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

A study in the Journal of the American Medical Association suggests the popular herbal supplement St. John's Wort may do some harm because it interferes with prescription medications. A second study finds that most Web sites selling herbal supplements make unsupported health claims about their products. Hear NPR's Rachel Jones.

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