D-CALUP CALCIUM CITRATE (1000 mg) + ELEMENTAL ZINC (4 mg) + Magnesium (100 mg) CALCIUM CITRATE – Promotes bone mineral density & offers maximum calcium support. VITAMIN D3 – Enhances the calcium absorption & helps in mineral metabolism and bone growth. MAGNESIUM – Helps to prevent osteoporosis. Used In, Calcium deficiency, Osteoporosis and fractures, Pregnancy and lectation, Post menopausal osteoporosis.