Promotes Bone Health May Reduce the Risk of Osteoporosis** Mineral Supplement Guaranteed Quality Laboratory TestedNearly 50 Years of Trusted QualityAt Nature's Bounty, we are committed to your health. For nearly 50 years we have been making trusted products, backed by science, and made with only the purest ingredients...guaranteed. So you can get the most out of life every day.**Adequate Calcium and Vitamin D as part of a healthful diet, along with physical activity, may reduce the risk of osteoporosis in later life.