Calcium is essential for living organisms, in particular in cell physiology, where movement of the calcium ion Ca2+ into and out of the cytoplasm functions as a signal for many cellular processes. As a major material used in mineralization of bones and shells, calcium is the most abundant metal by mass in our bodies.
Calcium is an important component of a healthy diet and a mineral necessary for life. Calcium plays an important role in building stronger, denser bones early in life and keeping bones strong and healthy later in life. Long-term calcium deficiency can lead to rickets and poor blood clotting and in case of a menopausal woman, it can lead to osteoporosis, in which the bone deteriorates and there is an increased risk of fractures.
Recommended calcium adequate intake :