Heartburn amp indigestiongaviscon double action peppermint tablets bring fast soothing and long lasting relief from the pain and discomfort of heartburn and acid indigestion they get to work in two different ways1 neutralising excess stomach acid to relief discomfort white layer2 forming a protective barrier over the stomach contents to soothe that burning pain in your chest pink layerso whatever your symptoms of heartburn or indigestion gaviscon double