Phosphorus, in addition to working with calcium and other minerals to build strong bones and teeth, Phosphorus is a part of all body cells; it is also a component of genetic material (RNA and DNA) and phospholipids, compounds that carry cholesterol and other fatty substances in the blood. It is also needed for normal milk secretion during breast-feeding. Its numerous other functions include:

• Strengthening cell membranes
• Helping to build muscle tissue.
• Helping to maintain the body's normal acid-base and fluid balances.
• Working with various enzyme systems to metabolize energy and form and metabolize proteins.