Rablet L Capsule is used to treat gastro-oesophageal reflux disease (GERD), acidity, heartburn, Zollinger-Ellison syndrome, Helicobacter pylori infection, irritable bowel syndrome, indigestion, duodenal and gastric ulcers. The stomach is usually protected from acid by a mucous layer. In some cases, due to excess acid production, the mucous layer gets eroded, which leads to acidity.