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URL of this page: https://medlineplus.gov/dietarysupplements.html

Dietary Supplements

Summary

Dietary supplements arevitamins,minerals,herbs, and many other products. They can come as pills, capsules, powders, drinks, and energy bars. Supplements do not have to go through the testing that drugs do.

Some supplements can play an important role in health. For example, calcium and vitamin D are important for keeping bones strong. Pregnant women can take the vitamin folic acid to prevent certain birth defects in their babies.

To take a supplement as safely as possible:

  • Tell your health care provider about any dietary supplements you use
  • Do not take a bigger dose than the label recommends
  • Check with your health care provider about the supplements you take if you are going to have any type of surgery
  • Read trustworthy information about the supplement

NIH: National Institutes of Health Office of Dietary Supplements

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Dietary Supplements

National Institutes of Health

The primary NIH organization for research onDietary Supplements is theNIH Office of Dietary Supplements

Disclaimers

MedlinePlus links to health information from the National Institutes of Health and other federal government agencies. MedlinePlus also links to health information from non-government Web sites. See ourdisclaimer about external links and ourquality guidelines.

The information on this site should not be used as a substitute for professional medical care or advice. Contact a health care provider if you have questions about your health.


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