Calmagic HD Tablet contains Calcium, Magnesium and Vitamin D3. Calcium plays an integral role in the normal functioning of the nerve cells, muscles and bones. Deficient of calcium, the body derives calcium from the bones and thereby weaken them further. Therefore, elemental calcium is essential for the bones and muscles of the human body. Vitamin D3 ( also known as cholecalciferol) plays an important role in maintaining the adequate calcium and phosphate levels in the human body Magnesium serves as an important cofactor in several cellular processes. It is also needed in the human bones and muscles. Calmagic HD Tablet is beneficial for pregnant women after 12weeks of pregnancy for bone formation and development of the baby. Calmagic HD is also used in Osteoporosis and Postmenopausal phase Osteoporosis. Use under medical supervision