Jarrow Formulas Vitamin D3, Supports Calcium and Bone Metabolism, 5000 IU, 100 Softgels Size:100 Softgels | Style:5000 IU Jarrow FORMULAS Vitamin D3 provides cholecalciferol; the most bioavailable form of vitamin D. Vitamin D3 is converted by the kidneys into the hormone calcitriol; the active form of vitamin D3. Vitamin D3 enhances calcium and phosphorous absorption; stimulates the synthesis of osteocalcin (an important structural protein in bone); and is involved in proper cell differentiation and immune response.Keep out of the reach of children. Features: Promotes Calcium and Bone Metabolism Immune Function 100 IU of Vitamin D is equal to 2.5 micrograms of cholecal-ciferol. Each softgel contains 125 mcg of cholecalciferol Product Details: Product Dimensions: 0.2 x 0.2 x 0.4 inches ; 0.48 ounces Shipping Weight: 0.5 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 790011300052 798411182629 Item model number: D5000