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Office of Dietary Supplements

Strengthening Knowledge and Understanding of Dietary Supplements

  • 25 years

    Discover 25 Years of ODS

    Learn more about the NIH Office of Dietary Supplements (ODS) through the ODS Timeline.

  • 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.

  • scientist with tablet and plants

    Resources for Researchers

    Find useful information for dietary supplement researchers including training and career development resources, databases of funded and published research, and food composition data.

  • 25 years

    ODS Marks Its 25th Anniversary

    We are recognizing 25 years of contributions to the science of dietary supplements with seminars, presentations, and a scientific symposium in October 2021.

  • Fruit and nuts pouring from a vitamin bottle

    Información en español

    Varias hojas informativas sobre ingredientes específicos de los suplementos dietéticos ahora están disponibles en español.

    Several consumer fact sheets about individual dietary supplement ingredients are now available in Spanish.

Dietary Supplement Fact Sheets

The Office of Dietary Supplements (ODS) fact sheets give a current overview of individual vitamins, minerals, and other dietary supplement ingredients. ODS has fact sheets in two versions—Health Professional and Consumer. Both versions provide the same types of information but vary in the level of detail. Consumer versions are also available in Spanish.

Recently updated fact sheets include the vitamin D and chromium fact sheets for health professionals and the iodine and omega-3 fatty acid fact sheets for consumers and health professionals. more

Featured Dietary Supplement Fact Sheets

Boron apple food source


Apples are a good source of boron.

nuts, mixed


Nuts are a rich source of copper.