Jarrow Formulas Vitamin D3 Calcium and Bone Metabolism, 25 Mcg (1000IU) Softgels 200 Count
- Supports: Calcium and Bone Metabolism Immune Function.
- 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 kidney..
- Calcitriol enhances dietary calcium and phosphorous absorption, stimulates the synthesis of osteocalcin (an important structural protein in bone), and supports a healthy immune response..
- Supports Bone Metabolism, and Immune Function.