 Vitamin D3 1000 Jarrow Formulas Vitamin D3 1000 (cholecalciferol) is derived from cod liver oil and sheep’s wool and is free of vitamin A. It enhances calcium and phosphorous absorption and stimulates the synthesis of an important structural protein in bone. Vitamin D3 is converted by the kidneys into the hormone calcitriol, the active form of vitamin D3. Improves the Function of Cells in : Bone Intestine Muscle Brain Skin Immune System
Calcitriol enhances calcium and phosphorous absorption and stimulates the synthesis of osteocalcin, an important structural protein in bone. Calcitriol is involved in proper cell differentiation (changing of cell function), including in prostate cells. Contains 200 softgels | 
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