Dietary SupplementMay reduce the risk of osteoporosis* Build and Maintain bone mass* Now with 2,000 IU of vitamin D-3 for breast and bone health* 1,000 mg of calcium providing 100% of daily requirement* Clinically studied multivitamin | Timed ReleaseGNC Women"s Ultra Mega® Bone Density is a scientifically designed multiple vitamin and mineral formula that emphasizes key nutrients for bone health. This premium formula boasts similar attributes as traditional Women"s Ultra Mega but is enhanced with 1000 mg of calcium, 2000 IU of vitamin D-3 and 40 mg of MBP®, a protein complex derived from milk.MBP® - A functionally active protein complex isolated and purified from milk protein. Emerging research indicates that MBP® supports the body"s natural ability to build and maintain bone mass by supporting the body"s bone building cells.*Calcium and Magnesium - Important structural components of bone that helps maintain healthy bone matrix.* Each daily serving provides 1000 mg of calcium and 250 mg of magnesium. Adequate calcium in a healthy diet may reduce the risk of osteoporosis.Vitamins D-3 - Now includes 2,000 IU of vitamin D-3 which is essential for healthy bones and teeth.* Emerging research suggests that adequate daily vitamin D intake may play a role in supporting breast and colon health.Timed-release caplets provide a gradual release of vital nutrients.No artificial colors, no artificial flavors, no wheat, no gluten, yeast free.