Office of Dietary Supplements

Strengthening Knowledge and Understanding of Dietary Supplements

  • ODS Timeline

    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 25th Anniversary Scientific Symposium

    Register now for this virtual meeting, October 25–26, featuring presentations by experts in dietary supplements science.

  • Fruit and nuts pouring from a vitamin bottle

    Información en español

    Hojas informativas sobre suplementos dietéticos están disponibles en español.

    Fact sheets about dietary supplements are 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. more

Featured Dietary Supplement Fact Sheets



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


Vitamin B12

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

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