CALCIUM??? What is calcium and what does it do? Calcium is a mineral found in many foods. The body needs calcium to maintain strong bones and to carry out many important functions. Almost all calcium is stored in bones and teeth, where it supports their structure and hardness. The body also needs calcium for muscles to move and for nerves to carry messages between the brain and every body part. In addition, calcium is used to help blood vessels move blood throughout the body and to help release hormones and enzymes that affect almost every function in the human body. How much calcium do I need? The amount of calcium you need each day depends on your age. Average daily recommended amounts are listed below in milligrams (mg): we "GLOVISION DIAGNOSTICS" are providing all Diagnostic Test in cheaper rates.... We do All Pathology Tests All kind of SONOGRAPHY All kind of DOPPLER 2D ECHO ECG All kind of X RAY...