Dietary Supplements

Dietary supplements Questions To Ask Before Taking Vitamin and Mineral Supplements

USDA. NAL. Food and Nutrition Information Center.

Ask these questions before taking a vitamin or mineral supplement to find out if it is safe, effective, necessary, and more.

MedlinePlus: Dietary Supplements

DHHS. NIH. National Library of Medicine.

Understand dietary supplements with information and resources that cover a variety of related topics. Also available in Spanish.

Dietary and Herbal 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.

MedlinePlus: All Herbs and Supplements

DHHS. NIH. National Library of Medicine.

Find resources for over 100 herbs and supplements organized alphabetically.

Office of Dietary Supplements logo Office of Dietary Supplements

DHHS. NIH. Office of Dietary Supplements.

Find evidence-based information about dietary supplements. Resources include:

Questions and Answers on Dietary Supplements

DHHS. FDA. Center for Food Safety and Applied Nutrition.