Calcium is a mineral that is found naturally in foods. Calcium is necessary for many normal functions of the body, especially bone formation and maintenance. Calcium gluconate is a mineral supplement used to prevent and to treat calcium deficiencies. Calcium gluconate is also used as a cardioprotective agent in hyperkalaemia. It reduces the excitability of cardiomyocytes thus lowering the likelihood of developing cardiac arrhythmias. Calcium Gluconate has a favourable effect in skin, nails and hair making them healthy and strong.