Jarrow Formulas Vitamin D3 Supports Calcium and Bone Metabolism 5000 IU 100 Softgels

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SKU:
R399506
UPC:
790011300052
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Jarrow Formulas Vitamin D3 provides cholecalciferol, which is more biologically active than ergocalciferol (D2). Vitamin D3 is ultimately converted to its hormonally-active form, calcitriol, in the kidneys. Calcitriol enhances dietary calcium and phosphorous absorption, stimulates the synthesis of osteocalcin (an important structural protein in bone), and supports a healthy immune response.*