II. Resources: Organizations
- FDA MED WATCH for adverse reaction reporting
 - American Botanical Council
 - Herb Research Foundation
 - Memorial Sloan Kettering Cancer Center Integrative Medicine
 - Natural Medicine Comprehensive Database (Therapeutic Research, publishers of prescribers letter)
 - NIH Office of Dietary Supplements - Database of Dietary Supplements Information
 - NIH National Center for Complementary and Integrative Health
 - NIH National Cancer Institute Office of Cancer Complementary and Alternative Medicine
 - Phytochemical database by James A. Duke
 - University of Washington Medicinal Herbal Garden