Zinc is essential in supporting the immune system, according to WebMD. Calcium supports healthy bones and teeth, says WebMD. Magnesium is crucial for the functioning of nearly every bodily system, according to the National Institutes of Health.
Besides being good for bones and teeth, calcium is also important for blood clotting, says WebMD. It regulates blood pressure and muscle contractions including the muscles of the heart. Calcium also balances blood levels of phosphorus, magnesium and potassium. It may also help prevent certain cancers and lower the risk of diabetes and hypertension, states Mayo Clinic.
Magnesium supports the nervous and muscular systems and helps the body control levels of glucose in the blood, says the National Institutes of Health. Because of this, magnesium may also help lower a person's risk of Type 2 diabetes. It is necessary for the synthesis of RNA and DNA and helps calcium and potassium ions pass through the cell membranes. Magnesium also lowers the risk of osteoporosis, or a thinning of bone density, in postmenopausal women.
Adequate intake of zinc can help children grow normally and prevent diarrhea, according to WebMD. It can also help remedy wounds that are slow to heal and supports the immune system. People take zinc to lessen the impact of the common cold and ear infections and to treat eye conditions such as macular degeneration.