A daily dose of Nature's Bounty Vitamin D3 is a simple and effective way to show your immune system some love. (1) As a more potent form of Vitamin D, Vitamin D3 is an essential nutrient for immune support that may assist the immune system by helping to regulate T and B-lymphocytes (cells that major components of your immune response). (1) While Vitamin D is known as the 'sunshine vitamin', many people don't get enough of it due to working and living indoors. Nature's Bounty Vitamin D3 provides 125 mc (5,000 IU) of Vitamin D per serving in one easy-to-take rapid-release softgel. For additional wellness benefits, Nature's Bounty Vitamin D3 also helps maintain healthy bones in adults, as Vitamin D3 assists the body with calcium absorption. (1) Plus, our formula is non-GMO, gluten- and sugar-free, and contains no artificial colors or sweeteners. Increase your daily intake of this important nutrient from the wellness experts at Nature's Bounty. (1) 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.\n(3) Get More With Nature's Bounty Than Ever Before.