Nature's Sunshine Magnesium 180 tabs

More than 300 enzymes require the presence of the mineral magnesium. Sixty percent of the body's magnesium is found in the bones, and the rest is found mainly in the soft tissues and blood. Magnesium is necessary for the metabolism of vitamin C, phosphorus, potassium and sodium. It should be taken when using calcium supplements. It is important to the nervous system and healthy muscle function.