Vitamin D is necessary for proper bone growth. Vitamin D is essential for calcium absorption and for regulating serum calcium and phosphorus levels in the body. Emerging Science have also revealed that vitamin D intake plays a important role in immune system regulation.
Each serving of GNC Vitamin D3 provides 5000 IU of vitamin D in the form of Vitamin D3 (cholecalciferol), the most bioavailable form of vitamin D.
D3, cholecalciferol, the animal form of vitamin D, is the closest form to what our bodies naturally produce with exposure to the sun.
No Sugar, No Starch, No Artificial Colors, No Artificial Flavors, No Preservatives, Sodium Free, No Wheat, No Gluten, No Corn, No Dairy, Yeast Free.