D3CIUM TABLETS contains Calcium orotate, Calcium aspartate, Magnesium, Zinc, Folic Acid and vitamin D3. Calcium orotate is the only calcium type that penetrates the cell membrane and delivers maximum health benefits to cellular processes. Calcium plays a vital role in the body. It is necessary to normalise nerves, cells, muscles, and bones. If there is insufficient calcium in the blood, the body will take calcium from bones, weakening bones. Thus intake of calcium is necessary to keep the bones strong. Vitamin D helps the body absorb calcium and phosphorus. The right amounts of vitamin D, calcium, and phosphorus are important for building and keeping strong bones.