Dietary Supplement. List No. 2671. L202. USP Verified. USP has tested and certified ingredients, potency and manufacturing process. USP sets official standards for dietary supplements. www.uspverified.org. 400 IU. No. 1 pharmacist recommended (Based on Pharmacy Times Survey of pharmacists recommending letter vitamin supplements). Dietary supplement USP verified. D3 is the body's preferred form of vitamin D (Vitamin D3 is a more effective than vitamin D2 at raising and maintaining adequate levels of circulating vitamin D in the body). Supports bone, teeth, muscle and immune health. Vitamin D supports bone, teeth, muscle and immune health. No color added. No artificial flavors. No preservatives. No yeast. Gluten free. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)