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- Vitamins and Minerals From A to Z - WebMD
Find out from WebMD's slideshow which vitamins and minerals your body needs, what they do, and what foods you can eat to get them
- Vitamin | Definition, Types, Facts | Britannica
Vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life Vitamins generally cannot be synthesized in amounts sufficient to meet bodily needs and therefore must be obtained from the diet or from some synthetic source
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