Up&up vitamin d3 1000 iu is a high potency dietary supplement. Vitamin d is an essential nutrient that works with calcium to help maintain strong bones and teeth.** this vitamin d supplement also helps support healthy immune function.** **these statements have not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Up&up vitamin d3 1000 iu softgels contain no gluten, preservatives, artificial colors or flavors, wheat or dairy.