Vitamins.

What are vitamins?

Vitamins are chemicals needed in tiny amounts to keep you healthy. For example, you have probably heard of vitamins A, B, C, D, E, and K. You get vitamins from food, and some are made by the body.

Vitamins were discovered more than 200 years ago, when it was found that a serious disease called scurvy could be prevented on long sea voyages by giving sailors citrus fruit each day. Other diseases were also found to be preventable by diet.

A healthy diet is the best way to ensure proper nutrition. However, older adults may not eat balanced meals regularly. Older adults, particularly if they are not exposed to sunlight, may be ...

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