We need calcium for the development and maintenance of strong bones and teeth, and that’s where about 99% of the body's calcium is found. Calcium also helps the heart, nerves, muscles, and other body systems work properly. It is probably best known for helping prevent osteoporosis. Our body needs several other nutrients in order for calcium to be absorbed and used properly, including magnesium, phosphorous, and especially vitamins D and K.
Calcium is important for overall health. Almost every cell in our body uses calcium in some way. Some areas where our bodies use calcium are in our nervous system, muscles, heart and bone. Our bones store calcium in addition to providing support for our bodies. As we age, we absorb less and less calcium from our diet, causing our bodies to take more and more calcium from our bones. Over time this aging process can cause or contribute to osteopenia or osteoporosis.