Calcium Aspartate is a calcium salt of the amino acid, aspartic acid, that has a neutral reaction in the body. Medical research has shown it to be a well absorbed form of calcium supplementation, each capsule provides 100 mg of elemental Calcium. Calcium aspartate and citrate are best for people who are uncertain of the acid-base balance of their bodies. This is a great source of calcium for everyone. 150 Vcaps per bottle.