Essential for Calcium Absorption and Strong Bones 400 IU 100 Tablets No Sugar, No Artificial Colors, No Artificial Flavors, Sodium Free, No Wheat, No Gluten, No Dairy, Yeast Free Potency verified by GNC procedure #5004. Conforms to USP for weight. Meets USP disintegration. *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.