What is the role of calcium in the body?

Calcium is tightly linked to many of the roles that vitamin D plays in the body. In bone health (and other physiologic systems), calcium is a key player. Calcium is a mineral that must be constantly eaten to build bone and maintain the blood level of calcium. read more

The rest of the calcium in your body plays key roles in cell signaling, blood clotting, muscle contraction and nerve function. Cells use calcium to activate certain enzymes, transport ions across the cellular membrane, and send and receive neurotransmitters during communication with other cells. read more

Calcium is the most abundant element by mass in many animals, and the fifth most abundant element by mass in humans. Indeed, calcium forms two percent of a human adult’s body weight; most of this calcium is found in the skeleton and the teeth, although some is also stored in the tissues and blood. read more