Gaviscon Advance Peppermint Liquid is a 300ml oral suspension that provides fast-acting relief from heartburn and acid indigestion. The formula contains sodium alginate and potassium bicarbonate with a refreshing peppermint flavor, designed to create a protective barrier against stomach acid. The liquid medication works by forming a protective layer on top of stomach contents to prevent acid reflux and provide quick relief from heartburn symptoms. The 300ml bottle comes with a measuring cap for accurate dosing. The peppermint flavor makes the medication more palatable. As this is a medicine, please consult the package insert or your healthcare provider for proper dosage instructions and precautions.