Vitamins Are Now Increasingly Being Used As Supplements in Daily Diets to Meet the Nutritional Need of the Body
Vitamins Vitamins are water-soluble compounds with numerous roles in the body. Some function as signals, others as regulators of other materials, and others aid enzymes. Although the names are different from one another, recommended daily allowances are generally high enough to account for individual variation and normal environmental stress. Many vitamins are interrelated, and some interactions are cooperative, others reflect overlapping metabolic or protective roles. Vitamin B12, in particular, may have a structural dependency, however, this is not known for certain. Water-soluble vitamins are easily absorbed from food, and a supplement containing them will also be absorbed. Water-soluble vitamins include vitamin A and vitamin C. The former are easily transported throughout the body, while the latter are easily dissolved in water. The action of vitamins depends on their solubility. Water-soluble vitamins are quickly broken down by the body and are excreted in urine. How...