Calcium C 1000mg is a dietary supplement used where calcium intake may be inadequate: childhood and adolescence, pregnancy and lactation, postmenopausal females and in the aged. In the treatment of calcium deficiency states which may occur in diseases such as: tetany of the newborn (as a supplement to parenterally administered calcium), hypoparathyroidism (acute and chronic), pseudo-hypoparathyroidism, postmenopausal and senile osteoporosis, rickets and osteomalacia.