Supports Bone Health Bone Metabolism Formula with Minerals & Vitamin D-2 Highly Bioavailable Calcium Non-GMO A Dietary Supplement Vegetarian/Vegan Kosher Minerals Family Owned Since 1968 GMP Quality Assured Calcium Citrate is a readily digested and absorbed form of Calcium, a mineral that is necessary for the maintenance of bone health. Vitamin D, Magnesium, Zinc, Copper, and Manganese have been included for their essential roles in bone metabolism.