What do calcium-magnesium vitamins do?

Vitamin Functions: Magnesium helps body to use vitamins and other minerals- calcium, phosphorus, sodium, potassium, and vitamin D. Calcium Magnesium with Vitamin D aids nerve and muscle function, including the conduction of nerve impulses and the regulation of a normal heart rhythm. It maintains strong bones and teeth and helps prevent osteoporosis to reduce the risk of fractures later in life See a Physician.