Jarrow Formulas Vitamin D3, 400IU, 100Softgels (Pack of 4)
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.