Regular exercise and a healthy diet with enough calcium helps those at high risk, including teen and young adult Caucasian and Asian women, maintain good bone health and reduce their high risk of developing osteoporosis later in life. Adequate calcium is important, but daily intakes of above about 2000mg are not likely to provide any additional benefit. Vitamin D3 is essential for use of calcium and necessary for healthy bones, teeth and cartilage.* Unconditionally guaranteed for purity, freshness and label potency. No Sugar, Yeast, Preservatives, Artificial Flavors or Colors. 21st Century Vitamins and Supplements are manufactured in a cGMP facility under the strictest standards for product quality, including potency and purity. 21st Century prides itself on providing you with a great product at the best value. *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. **Citracal Maximum is a registered trademark of Bayer HealthCare, LLC.