Calcium is the most abundant mineral in the body. 99 of the calcium in our body is found in bones and teeth. Calcium+D3 tablets help in improving bone density and reducing the chances of fracture in older women and men. This combination is used to prevent low blood calcium levels in people who do not get enough calcium from their diets. These minerals are the building blocks of bones that maintain strong bones and muscles. It reduces the risk of osteoporosis and is particularly useful for men and women of all ages. Vitamin D helps your body absorb calcium. Having the right amounts of vitamin D and calcium is important for keeping bones strong. Calcium is required by our bodies to protect us from high blood pressure, heart attacks and premenstrual syndrome.