Gaviscon Advance Liquid Peppermint is a 300ml oral suspension that provides relief from acid reflux symptoms, heartburn and indigestion. This extra strength formula contains sodium alginate and potassium hydrogen carbonate with a refreshing peppermint flavor for effective acid reflux control. The liquid suspension forms a protective barrier on top of the stomach contents to prevent acid reflux and provide quick relief from symptoms. The peppermint flavoring helps make the medication more palatable. The 300ml bottle comes with a measuring cup for accurate dosing. This advance formulation is designed to provide longer-lasting relief compared to standard antacid medications.