NIH, National Center for Complementary and Integrative Health
This fact sheet provides basic information about turmeric—common names, usefulness and safety, and resources for more information.
Herbal Information
Mayo Foundation for Medical Education and Research.
Provides general information on complementary and alternative medicine and therapies. See this related article:Herbal supplements: What to know before you buy
American Academy of Family Physicians.
Provides an overview of the safety of herbal supplements as well as the possible side effects and interactions. For more information, see the article entitled "Echinacea: What Should I Know About It?"
DHHS. Healthcare Research and Quality.
Provides a review summarizing the clinical studies on milk thistle.
The Herb Research Foundation.
Provide information on the benefits and safety of herbs and botanicals.
American Botanical Council.
A collection of educational materials including journals, article reviews, and an interactive herbal database.
DHHS. NIH. National Center for Complementary and Integrative Health.
Provides information on the use of St. John's Wort in various research studies.
DHHS. NIH. National Cancer Institute.
Provides access to information from clinical trials and research concerning mistletoe extracts.
DHHS. NIH. National Library of Medicine.
Contains quality health care information on herbs and herbal medicine.
DHHS. NIH. National Library of Medicine.
Includes information on over 100 herbs and supplements from Natural Standard. Each monograph contains evidence-based, peer-reviewed data, and many contain illustrations.