Highly absorbable citrate form of calcium May reduce the risk of osteoporosis Helps in the development and maintenance of healthy bones and teeth Calcium Magnesium Vitamin D3 helps in the development and maintenance of healthy bones, teeth and proper muscle function. Calcium intake, when combined with enough vitamin D, a healthy diet, and regular exercise, may reduce the risk of developing osteoporosis. This formula features calcium and magnesium in their highly absorbable citrate form. As one of the most essential minerals in the human body, calcium plays a vital role in the maintenance of good health. Magnesium is another essential mineral that plays a vital role in optimal health. A deficiency interferes with the transmission of nerve and muscle impulses. Magnesium helps maintain muscle function, including a healthy heart muscle, and your body’s electrolyte balance. It also helps in tissue formation. Vitamin D is crucial for bone growth and development because it stimulates the absorption of calcium from the intestine. It also facilitates the incorporation of calcium into the bones.