GNC Vitamin D3 Supplement 5000 IU: Support Healthy Teeth And Strong Bones With Vitamin D-3*. Meet calcium's best friend: Vitamin D-3 enhances calcium absorption and is necessary for proper calcium metabolism*. Plus, emerging studies suggest that vitamin D is important to the health of soft tissues as well*. Make Sure You're Getting Enough Of “The Sunshine Vitamin.” Not getting outside much? We naturally absorb vitamin D from sunlight—but if your routine is changing or you live in a climate without much warm weather, you may want to consider a daily supplement to help maintain optimal vitamin D levels. Help Reduce The Risk Of Osteoporosis. Adequate calcium and vitamin D in a healthy diet throughout life may reduce the risk of osteoporosis. GNC Vitamin D-3 delivers your full daily value of vitamin D in a single, convenient tablet. Contains 180 tablets Supports healthy teeth* Supports strong bones* Enhances calcium absorption* These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.