Medline Plus: Drugs and Supplements page
You can search both medications and herbal and other supplements through this site, which is published by the US National Library of Medicine. Particularly helpful, the supplements area of the site provides a breakdown of how effective particular remedies are for specific disorders, and where they may not be so helpful. You can also search for interactions.
Memorial Sloan Kettering Cancer Center “About Herbs” database
MSK Cancer Center offers a searchable database of herbal supplements, regularly updated, which provides information about potential benefits and harms of specific supplements. NOTE: It’s not just about cancer; the site discusses multiple uses for these herbs.
National Center for Complementary Medicine and Integrative Health
This federal website provides information about various complementary therapies and which ones may be effective for various disorders.
NIH Dietary Supplement Fact Sheets
The National Institutes of Health provides basic information about various types of dietary supplements.
Osher Collaborative for Integrative Health
Comprised of 11 academic medical centers, the Osher Collaborative for Integrative Health researches, teaches, and holds seminars about acupuncture, meditation, body work and many other topics. You can sign up for a newsletter about upcoming event or visit one of the individual Osher Centers online.