Used as a food additive to regulate acidity and act as a preservative in dairy products, baked goods, and beverages. Helps improve texture and stability in processed foods. Commonly found in calcium-fortified products due to its bioavailable form of calcium. Used in medical and dietary supplements to support bone health. Also applied in some oral rehydration solutions and electrolyte formulations. In molecular biology, it serves as a component in electroporation buffers to reduce arcing during cell transformation.

Additionally, used in skincare products such as creams and lotions to maintain skin balance and promote skin recovery, particularly for sensitive skin.