Vitamin | definition of vitamin by Medical dictionary
vitamin [vi´tah-min] an organic substance found in foods and essential in small quantities for growth, health, and the preservation of life itself. The body needs vitamins just as it requires other food constituents such as proteins, fats, carbohydrates, minerals, and water. The absence of one or more vitamins from the diet, or poor absorption of ...
DA: 47 PA: 55 MOZ Rank: 88