Chelated Calcium as Calcium Glycine Liquid is an inorganic calcium salt that contains the essential mineral, calcium, in the form of glycine. It is a nutritional supplement that is used to help prevent and treat calcium deficiencies. It is available in liquid form and is easy to take. It is a popular calcium supplement that can be taken daily to help meet the body's calcium needs. It is most commonly used as a dietary supplement to support healthy bones, teeth and muscles.