Used as an antacid to neutralize stomach acidity and relieve heartburn, indigestion, and upset stomach. It is also a common ingredient in medications for peptic ulcers and gastroesophageal reflux disease (GERD). Acts as an adsorbent for bile acids and toxins in the gastrointestinal tract. Employed as a flame retardant in plastics, rubber, and textiles due to its ability to release water when heated, suppressing fire. Serves as a filler and opacifying agent in cosmetics, including antiperspirants and skin protectants. Used in water treatment to remove impurities through coagulation and flocculation. Also functions as a starting material for the production of other aluminum compounds.