Calcium Calcium is needed for developing and maintaining the rigidity of bones. It also contributes to the formation of intracellular cement and the cell membranes, and regulation of nervous excitability and muscular contraction. About 90 percent of calcium is stored in bone, where it can be re-absorbed by blood and tissue. Milk and milk products are the chief source of calcium. Phosphorus, also present in many foods and especially in milk, combines with calcium in the bones and teeth.
Calcium builds strong bones and healthy teeth.
Keeps your heart beating regularly. Aids your nervous system, especially in impulse transmission. Helps in normalizing blood clotting action. Helps metabolize your body's iron. May help prevent bone loss associated with Osteoporosis.