Glycerol Phosphate Disodium Salt Hydrate is widely used in biochemical and pharmaceutical research as a substrate for enzymes like phosphatases and kinases. It plays a crucial role in studying cellular signaling pathways and metabolic processes. In cell culture, it serves as a phosphate donor, aiding in energy metabolism and membrane synthesis. Additionally, it is utilized in the formulation of nutritional supplements and therapeutic agents to support bone health and muscle function. Its hydrating properties also make it a valuable component in cosmetic and skincare products, where it helps maintain moisture and improve skin texture.