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vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins are distinct in several ways from other biologically important compounds such as protein s, carbohydrate s, and lipid s.
Vitamins are organic molecules (or a set of closely related molecules called vitamers) that are essential to an organism in small quantities for proper metabolic function. Essential nutrients cannot be synthesized in the organism in sufficient quantities for survival, and therefore must be obtained through the diet.
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Get an understanding of how particular vitamins and minerals work in your body, how much of each nutrient you need daily, and what types of foods to eat to ensure that you are getting an adequate supply.
Vitamins are nutrients that are found in the foods we eat. They’re needed for functions such as growth, metabolism, and nervous system activities. Often, a health-promoting diet...
Vitamins and minerals are micronutrients required by the body to carry out a range of normal functions. Learn more about how much of each you need.
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..