Calcium is an essential mineral constituent of our bones and teeth which give strength and structure to the body. Ninety-nine percent of all the calcium is found in the bones and teeth. The remaining one percent is in the blood. Calcium also plays important roles in maintaining strength of bones and teeth, nerve conduction, muscle contraction and blood clotting.
Increased demand for calcium is seen during the growing years as in case of children, pregnant females and lactating mothers.
Calcium requirement: In children: 400-600 mg/day, In adults: 500-1000 mg/day, In pregnant and lactating mothers: 1200-1500 mg/day, In elderly: 1000-1300 mg/day
Sources of calcium: Milk and Milk products, almonds, green vegetables, calcium fortified foods like orange juice, soy milk.