Description: Vitamin D, also known as 'The Sunshine Vitamin', is a fat soluble vitamin required for the absorption and utilization of calcium and phosphorus by the intestinal tract, which helps in bone formation. Vitamin D protects against muscle weakness and plays a role in regulating the heartbeat. It is important in prevention and treatment of osteoporosis and hypoglycemia. The main function of Vitamin D is to regulate all mineral and vitamin metabolism and to maintain the health of the glandular and nervous systems.