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Digestive HealthFeaturing PepZinGI®Dietary SupplementStrengthens the Mucosal Lining of the StomachZinc & L-Carnosine Chelated to Survive Stomach AcidScience-Backed Quality Since 1969PepZin GI is a combination of the mineral zinc and the amino peptide L-carnosine that provides protection to all areas of the stomach. The lining of the stomach is protected from its own caustic gastric juices by a thin layer of gel-like mucus. Evidence suggests that the combination of ingredients in PepZin GI isn't easily broken down by these harsh gastric juices so it is able to strengthen the mucosal barrier by adhering to the stomach wall.