Used as a dietary supplement to support bone health and treat calcium deficiency. Commonly found in fortified foods and nutritional products to enhance calcium and phosphorus intake. Employed in pharmaceuticals as a tablet excipient due to its stability and compressibility. Utilized in dental products for remineralization of tooth enamel. Applied in agriculture as a component of fertilizers to supply essential nutrients to plants. Also used in food processing as an anti-caking agent and leavening agent in baked goods.