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Dietary Supplements Labels Database, from the United States National Library of Medicine

PubMed Dietary Supplement Subset from the U.S. National Institutes of Health Office of Dietary Supplements and United States National Library of Medicine

Dietary Supplement Information from the U.S. Food and Drug Administration

What's in the Bottle? An Introduction to Dietary Supplements , from the U.S. National Center for Complementary and Alternative Medicine

Safety information on herbal supplements , from the U.S. National Institutes of Health

Use of Complementary and Alternative Medicine (CAM) by the American Public : A report of the Institute of Medicine

EPC Evidence Reports on Dietary Supplements