Polaprezinc contains the active ingredient zinc L-carnosine. It is primarily used for its gastroprotective and antioxidant properties. Polaprezinc is indicated for the treatment of gastric ulcers, duodenal ulcers, and gastritis. It works by promoting the repair of damaged gastric mucosa, reducing inflammation, and suppressing the activity of Helicobacter pylori, a bacterium associated with gastric ulcers.