Description: Authorized Vendor for Vitamin D3. Jarrow Formulas Vitamin D3 (Cholecalciferol) is from purified fish liver oil and is free of Vitamin A. Fat soluble Vitamin D3 is converted by the kidneys into the hormone calcitrol, the activated form of Vitamin D3 which affects a variety of target tissues including bone, intestine, muscle, brain, skin and immune systems cells. Calcitrol enhances calcium and phosphorous absorption and stimulates the synthesis of osteocalcin, an important structural protein in bone. Also, calcitrol is involved in proper cell differentation (changing of cell function)... |
