CanPrev Calcium Malate Bis-Glycinate - A chelated form of calcium that is easy to absorb and gentle on the digestive system. Calcium is important for building and maintaining healthy bones and teeth. Calcium is also important for muscle contractions and nerve function and acts in a number of other enzymatic reactions in the body, like maintaining a regular heartbeat and blood clotting. Inadequate calcium intake results in reduced bone mass and increased risk of osteoporosis.