What Are Magnesium & Calcium Tablets? Magnesium & Calcium provides two vital minerals, with added Vitamin C for optimum for absorption & efficacy. Calcium plays an important role in the development & maintenance of healthy strong bones. Magnesium is necessary for the metabolism of Calcium, & is useful in supporting muscular, cardiovascular & nervous system functions. What Are Magnesium & Calcium Tablets For? • May assist in strengthening bone structure & teeth • May help with menstrual cramps • May alleviate the symptoms associated with osteoporosis & arthritis • May assist with backaches & aching bones • May help alleviate muscle cramps