• FDA/CFSAN Dietary Supplements. Information on regulation of dietary supplements in the United States.
• NIH National Center for Complementary and Integrative Health (NCCIH).
• NIH National Cancer Institute (NCI): Division of Cancer Treatment & Diagnosis, Office of Cancer Complementary and Alternative Medicine (OCCAM).
• NIH National Cancer Institute (NCI): Topics in Integrative, Alternative, and Complementary Therapies (Physician Data Query, PDQ®). Provides information to health practitioners and researchers regarding complimentary and alternative medicine cancer issues.
• MedWatch. FDA drug safety information and adverse drug event reporting.
• Is It a Cosmetic, a Drug, or Both? Information from FDA on topically used products.