Of the approximately 1200gms of Calcium in the adult body, 99% is combined as the salts that give hardness to the bones & teeth.The remaining 1% of the calcium in adults about 10-12gms is distributed throughout the extracellular and intracellular fluids of the body.The important functions are:-
2.Helps in transmission of Nerve Impulses.
3.Increases the permeability of cell membranes, thus helping in absorptive processes.
4.Aids in absorption of VitaminB12 from the Ilium.
5. Regulates the contraction & relaxation of Muscles, including heartbeat.
6.Catalyzes two steps in the blood clotting.
Calcium is stored in the Trabeculae of bones.
For its utilisation Vitamin D & Parathyroid Hormone are required.
Deficiency of Calcium causes Retarted Bone mineralization, Fragile Bones,Stunted Growth, Rickets, Osteomalacia, Ostoeporosis.
Food sources are Milk & its Products, Hard Cheese, Ice Cream, Cottage Cheese, Greens-Collards, Turnips, Mustard, Broccolli, Kale, Oysters, Shrimps, Salmon, Clams, Soyabeans,etc.
Milk is considered to be the best source of calcium in the diet, without it, a satisfactory intake of Calcium is extremely difficult.For Adults 2-3 cups of Milk & 3-4 cups for children daily will ensure adequate Calcium intake.
Lactation/ Feeding Mothers-1200mg