1 Pharmacist Recommended*Vitamin D3 is more effective than Vitamin D2 at raising and maintaining adequate levels of circulating vitamin D in the body. Based on Pharmacy Times Survey of pharmacists recommending Letter Vitamin SupplementsD3 2000IU Vitamin D SupplementD3 is the Bodys Preferred Form of Vitamin D*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’s has tested and verified ingredients, potency and manufacturing process. Vitamin D3 supports bone, teeth, muscle and immune health