what are each vitamins used for
Vitamins have diverse biochemical functions. Some, such as vitamin D, have hormone-like functions as regulators of mineral metabolism, or regulators of cell and tissue growth and differentiation (such as some forms of vitamin A).
Others function as antioxidants (e.g., vitamin E and sometimes vitamin C). The largest number of vitamins, the B complex vitamins, function as precursors for enzyme cofactors, that help enzymes in their work as catalysts in metabolism.
However, it's not clear how much of this the body absorbs. VITAMIN C (ascorbic acid). Foods rich in vitamin C may lower the risk for some cancers, including those of the mouth, esophagus, stomach, and breast. Long-term use of supplemental vitamin C may protect against cataracts. Helps make collagen, a connective tissue that knits together wounds and supports blood vessel walls.
It helps your body use vitamin K, the blood-clotting vitamin. This fat-soluble vitamin also contributes to the formation of red blood cells. Eating foods such as fortified breakfast cereals, seeds, vegetable oils, nuts and green leafy vegetables can help you get the recommended amounts of vitamin E.