Office of Dietary Supplements

Strengthening Knowledge and Understanding of Dietary Supplements

  • Strengthening Knowledge and Understanding of Dietary Supplements

    Learn About ODS

    ODS supports research and provides up-to-date scientific information about dietary supplements.

  • drawing of a woman looking at supplement labels

    Thinking about taking a dietary supplement?

    In this short animated video, the Office of Dietary Supplements (ODS) at the National Institutes of Health introduces the ODS website—the place for reliable, science-based answers to your questions about dietary supplements.

  • How to Evaluate Health Information on the Internet

    Is the health information you find on the internet or receive by email, text, or social media reliable? To help you decide, see these suggestions from ODS.

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    Información en español

    Hojas informativas sobre suplementos dietéticos están disponibles en español.

    Fact sheets about dietary supplements are available in Spanish.

  • Map of U.S. composed using multiple photos of multicultural people

    Learn about the ODS Population Studies Program

    The ODS Population Studies Program uses national survey data to discover changing patterns in dietary supplements use.

Featured Fact Sheets



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

spinach leaves

Vitamin A and Carotenoids

Vitamin A is found in green, orange, and yellow vegetables.

multivitamin/mineral dietary supplements


MVMs contain a combination of vitamins and minerals.

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.

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Information in Spanish

Supplement fact sheets and other resources for consumers.

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Education and Training

Programs to enhance the dietary supplement research workforce.

More from ODS

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