Gaviscon Original Aniseed Liquid provides fast, soothing relief from heartburn and indigestion. This original aniseed formula can be used to ease gastric reflux, heartburn, flatulence, all forms of indigestion and all cases of epigastric retrosternal distress where gastric reflux is the underlying cause. Gaviscon provides fast and long-lasting relief from the discomfort and pain of excess stomach acid.