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National Institutes of Health (NIH)
- National Cancer Institute (NCI)
- National Institute on Aging (NIA)
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- National Institute of Environmental Health Sciences (NIEHS)
- National Library of Medicine (NLM)
- Office of Dietary Supplements (ODS)
- Computer Access to Research on Dietary Supplements (CARDS) Database
- Dietary Supplement Ingredient Database (DSID)
- Dietary Supplements for Weight Loss
- Dietary Supplement Label Database
- Frequently Asked Questions About Dietary Supplements
- NIH Centers for Advancing Research on Botanical and Other Natural Products (CARBON) Program
- ODS home page
- PubMed Dietary Supplement Subset
Other Federal Agencies
- Agency for Healthcare Research and Quality (AHRQ)
- Complementary and Alternative Medicine in Back Pain Utilization
- Complementary and Alternative Therapies for Back Pain
- Safety of Probiotics Used To Reduce Risk and Prevent or Treat Disease
- Safety of Vaccines Used for Routine Immunization in the United States
- Vitamin, Mineral, and Multivitamin Supplements for the Primary Prevention of Cardiovascular Disease and Cancer
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- Library of Congress (LOC)
- Science.gov
- U.S. Government Accountability Office (GAO)