Nature's Sunshine Calcium-Magnesium, SynerPro? (150 tabs)

Calcium and magnesium depend on each other for proper assimilation in the body. Calcium is essential to the health of bones, teeth and muscles, and it plays an essential role in blood clotting, nerve conduction and many cellular functions. Magnesium is an integral part of more than 300 enzymes in the body and, with calcium, affects nerve and muscle functions.