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Vitamins

Summary

Vitamins are substances that your body needs to grow and develop normally. There are 13 vitamins your body needs. They are

You can usually get all your vitamins from the foods you eat. Your body can also make vitamins D and K. People who eat a vegetarian diet may need to take a vitamin B12 supplement.

Each vitamin has specific jobs. If you have low levels of certain vitamins, you may get health problems. For example, if you don't get enough vitamin C, you could become anemic. Some vitamins may help prevent medical problems. Vitamin A prevents night blindness.

The best way to get enough vitamins is to eat a balanced diet with a variety of foods. In some cases, you may need to take vitamin supplements. It's a good idea to ask your health care provider first. High doses of some vitamins can cause problems.

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  • Video (Food and Drug Administration)
  • From the National Institutes of Health (National Institutes of Health) Also in
  • From the National Institutes of Health (National Institutes of Health, Office of Dietary Supplements)
  • (American Academy of Family Physicians) Also in

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  • (Mayo Foundation for Medical Education and Research)
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  • (U.S. Preventive Services Task Force) - PDF

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  • Video (Food and Drug Administration)

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  • From the National Institutes of Health (National Institutes of Health)
  • From the National Institutes of Health (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

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  • (Academy of Nutrition and Dietetics)
  • From the National Institutes of Health

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  • (Mayo Foundation for Medical Education and Research)
  • (Mayo Foundation for Medical Education and Research)

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