Schiff Calcium combines calcium and Vitamin D3 to promote bone and teeth health and healthy muscle, nerve, hormone and enzyme function. Calcium is an essential nutrient for a body and supplementing with adequate Calcium and Vitamin D are important factors that may reduce the risk of osteoporosis. Vitamin D has been found to help regulate the absorption of calcium in the body making it a good combination. The recommended serving size is 2 softgels daily. provide for purity, freshness and labeled potency. These statements have not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure or prevent any disease.