Used in pharmaceutical formulations as a calcium supplement due to its enhanced solubility and bioavailability compared to other calcium salts. It is particularly effective in treatments for calcium deficiency and bone-related disorders such as osteoporosis. The compound’s hydroxyl group improves absorption in the gastrointestinal tract, making it suitable for oral dosage forms. Additionally, it serves as an excipient in some drug delivery systems, where it acts as a stabilizer and buffering agent. Its biocompatibility also makes it useful in certain dental and orthopedic biomaterials.