Vitamin D3 plays a role in the maintenance of calcium and phosphorus levels in the blood. Promotes immune system health and colon health. Vitamin D3 is involved in proper bone mineralization.* Gluten free. No sugar, starch, artificial colors, preservatives, artificial flavors, wheat, yeast or corn added. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent disease.