Magnesium phosphate is used as a dietary supplement to support bone health, nerve function, and as a source of magnesium; it also acts as a mild laxative to relieve constipation. Commonly found in fortified foods, nutritional tablets, and as an anti-caking agent in powdered food products. In pharmaceuticals, it serves as an excipient in tablets for binding, buffering, and aiding digestion. In the food industry, it functions as a pH adjuster and preservative to maintain product quality. Additionally, it is employed in fertilizers to provide essential magnesium and phosphorus for plant growth, particularly in nutrient-deficient soils. It is also utilized in dental cements and orthopedic biomaterials due to its biocompatibility and ability to support tissue repair.