Jarrow Formulas Vitamin D3 1,000 IU, 100 Softgels, (Pack of 2)
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.