Used as a food additive to regulate acidity and act as a preservative in dairy products, baked goods, and beverages. It helps improve texture and stability in processed foods. Commonly found in calcium-fortified products due to its bioavailable form of calcium. Also used in molecular gastronomy for spherification processes, where it reacts with sodium alginate to form gel-like membranes.

In pharmaceuticals, it serves as a calcium supplement in oral medications and is included in some dental products for its remineralizing properties. In cosmetics, it acts as a skin conditioning agent and humectant, helping to maintain skin moisture and support the natural skin barrier.

Additionally, it is used in certain medical applications, such as wound cleansing solutions or oral care products, due to its gentle properties and ability to promote tissue recovery.