USP Promotes Bone Health Vegetarian Formula Dietary Supplement Laboratory Tested Guaranteed Quality Non-GMOCalcium is the primary mineral responsible for strong bones. Because the body cannot produce Calcium, a balanced diet, regular exercise, healthy lifestyle choices and adequate intake of Calcium can play a role in maintaining bone health. Calcium and Magnesium play essential roles in maintaining proper bone mineralization. Calcium and Magnesium are also involved in muscle contractions and nerve impulses. Zinc is essential for cell division and growth.