Definition: A vitamin is a substance, required in a small amount, that is essential for normal growth and activity of the body. Vitamins are obtained through the foods you eat, but you can also get vitamins in the form of dietary supplements.
Vitamins (and minerals) are also called micronutrients
More About Vitamins
- Benefits & Risks of Dietary Supplements
- Will B Vitamins Give Me Energy?
- What's the Difference Between Folate and Folic Acid?
- What is a Niacin Flush?