- Browse dietary supplements and herbal remedies to learn about their effectiveness, usual dosage, and drug interactions.
http://www.nlm.nih.gov/medlineplus/druginfo/herb_All.html - The National Center for Complementary and Alternative Medicine
http://nccam.nih.gov/health/atoz.htm - Dietary Supplement Fact Sheets
http://ods.od.nih.gov/factsheets/list-all/