Dietary Supplement. Helps Builds Strong Bones. 100% highly absorbable calcium citrate. Helps build strong bones. No gas, no stomach upset. Fights osteoporosis Adequate calcium as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life. Well at Walgreens® *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. 100% Satisfaction guaranteed with all Walgreens products or your money back.