Dietary Supplements
USDA. NAL. Food and Nutrition Information Center.
Are you considering vitamin or mineral supplements? Do you think you need them? Or that they "can't hurt"? Here are some questions to ask before you decide to take them.
DHHS. NIH. National Library of Medicine.
A wealth of information on supplements from government and health-related agencies.
DHHS. NIH. Office of Dietary Supplements.
Fact sheets on the functions, food sources, intake recommendations and more for many dietary supplements.
DHHS. NIH. National Center for Complementary and Alternative Medicine.
Answers to frequently asked questions. Available in PDF|328 KB.
DHHS. FDA. Center for Food Safety and Applied Nutrition.
Provides information and resources on the regulation and labeling of dietary supplements.
DHHS. NIH. National Center for Complementary and Alternative Medicine.
Links to information to help understand dietary supplements, find research resources and clinical trials, and more.
DHHS. NIH. National Library of Medicine.
Provides monographs on over 100 herbs and supplements including evidence-based, peer-reviewed data, and selected illustrations.
DHHS. NIH. Office of Dietary Supplements.
Mission is to strengthen knowledge and understanding of dietary supplements by evaluating scientific information, stimulating and supporting research, disseminating research results, and educating the public.
DHHS. NIH. Office of Dietary Supplements.
Find the wording of the Federal Regulations regarding dietary supplements, as amended to the Federal Food, Drug, and Cosmetic Act. 103rd Congress.
DHHS. FDA. Center for Food Safety and Applied Nutrition.
Guidance for making informed decisions about dietary supplement use. Look here for supplement information in Spanish.
DHHS. NIH. Office of Dietary Supplements.
Information on dietary supplements including definitions, regulations, claims, labels, health benefits and safety.
DHHS. FDA. Center for Food Safety and Applied Nutrition.
Questions and answers about dietary supplements.
DHHS. NIH. Office of Dietary Supplements; National Library of Medicine.
Provides citations from published, scientific literature on dietary supplements including vitamin, mineral, phytochemical, ergogenic, botanical, and herbal supplements.
DHHS. NIH. National Library of Medicine.
A product-based database that includes information on more than 2,000 brands of dietary supplements and their ingredients, uses, and manufacturers. Allows users to determine what ingredients are in specific brands and to compare ingredients in different brands.
USDA. ARS. Nutrient Data Laboratory; DHHS. NIH. Office of Dietary Supplements.
Estimates levels of ingredients in a representative sample of adult multivitamin/multimineral supplements compared to content claimed on the ingredient label.
DHHS. NIH. Office of Dietary Supplements.
Annual bibliographies presenting significant dietary supplement research since 1999.