Calcium Magnesium Zinc + D3 is a balanced and complete formula of the most important minerals constituent of the human body. Calcium and Magnesium maintain strong healthy bones, as well as aid in nerve, muscle, and metabolic functions. Magnesium also plays an important role in protein formation and healthy muscle functions. Magnesium also plays an important role in protein formation and healthy muscle function. Zinc contributes to the normal protein synthesis and collagen formation thus adjusting muscle contracting. Vitamin D3 promotes normal Calcium absorption in the blood maintaining healthy bones, muscles, and teeth.