The remainder activates hundreds of enzymes throughout the body, and is critical for proper cell function. Magnesium is required for strong bones and teeth. It plays an important role in bone growth. Poor magnesium intake has been implicated in disorders such as osteoporosis. One of magnesium's most important roles is that of helping the muscles to relax.
Magnesium deficiency is related to muscle spasms, tremors, and convulsions.
Low magnesium levels are also related to depression and sleep disturbances. It also stabilizes the enzymes that produce cellular energy. High blood pressure may result from low calcium intake combined with high sodium intake. There is some evidence that calcium helps prevent colon cancer. Although most of the calcium in the body is found in the bones, calcium performs various vital functions throughout the body.