Geri-Care Calcium Tablet 200 IU – 500 mg 742-25-GCP 1 Bottle 250 per Bottle
200 IU of vitamin D-3 and 500 mg of calcium per tablet Calcium is derived from oyster shells – a natural source. Oyster shell calcium has a higher concentrate of calcium, than other types of calcium supplements – 40% by weight. Vitamin D and calcium work together: Vitamin D increases calcium absorption. .