Office of Dietary Supplements

Strengthening Knowledge and Understanding of Dietary Supplements

Featured Fact Sheets

salmon and plant oils

Omega-3 fatty acids

Omega-3s are found in foods such as fatty fish and shellfish.



Data do not support the use of dietary supplements for COVID-19.

Hamburger on a plate

Vitamin B12

Meat, fish, poultry, eggs, and dairy products contain vitamin B12.

All Fact Sheets (A–Z)

Fact sheets on dietary supplements and their ingredients.

ODS Programs and Activities

Woman looking at supplement bottle

Health Information

Provides the latest scientific information on dietary supplements in fact sheets, videos, and other federal resources.

NIH Building 1

Grants and Funding

ODS and NIH-funding grants, contracts, and other funding opportunities, and guidance for applicants.

ginkgo leaves with spectrograph design


Stimulates the development of validated analytical methods and reference materials for dietary supplement ingredients.

multicultural group of people

Population Studies

Evaluates dietary supplement use by the U.S. population and analyzes how supplements affect nutritional status.

ashwagandha plant


ODS co-funded dietary supplement research centers focused on botanical safety, efficacy and biological action.

logo for Trans-NIH Resilience Working Group

Trans-NIH Resilience Working Group

NIH Institutes, Centers, and Offices with priorities related to, or funds dedicated to, resilience programs.



Search DSLD, DSID, CARDS, and other federal government databases related to dietary supplements.

multi-colored pills

Information in Spanish

Supplement fact sheets and other resources for consumers.

lab worker titrating

Education and Training

Programs to enhance the dietary supplement research workforce.

More from ODS

couple holding supplements

STAY CONNECTED! Subscribe to receive the latest updates from ODS. SUBSCRIBE