Widely used as an antacid to neutralize stomach acidity, providing relief from heartburn, indigestion, and upset stomach. It works by reducing the amount of acid in the stomach and is often found in over-the-counter medications. Also serves as an adjuvant in vaccines, enhancing the body's immune response by improving antigen presentation. Commonly used in water treatment processes to remove impurities through coagulation and flocculation. Employed in the manufacturing of flame-retardant additives for plastics, textiles, and construction materials due to its ability to release water when heated, suppressing fire. Used in some antiperspirants to reduce sweat production by forming temporary plugs in sweat ducts. Also acts as a filler and reinforcing agent in the rubber and polymer industries.