FDA, Center for Food Safety & Applied Nutrition

National Institute of Diabetes and Digestive and Kidney Diseases, Weight-control Information Network

National Institutes of Health

National Institutes of Health, Office of Dietary Supplements

National Library of Medicine, PubMed

National Women's Health Information Center, Journals, Dictionaries, and Glossaries

USDA, Center for Nutrition Policy and Promotion

USDA, Food and Nutrition Information Center

USDA, Nutrient Data Laboratory Home Page

U.S. Department of Health and Human Services, Federal Citizen Information Center. Includes a list of food and nutrition publications that can be ordered.