Gelusil MPS Mint Chewable Tablet is indicated for the relief of symptoms of hyperacidity (e.g., heartburn, epigastric discomfort) that are often associated with peptic ulcer, gastritis, dyspepsia, peptic esophagitis, and hiatus hernia. It is also used to treat flatulence (gas). The stomach is usually protected from acid by a mucous layer. Excessed acid production sometimes erodes the mucous layer, leading to complications like acidity and heartburn.