Gaviscon Advance Liquid Aniseed provides rapid and effective relief from the symptoms of heartburn and acid indigestion. It contains natural aniseed a herb used for its pleasant invigorating flavour as well as its potential for medicinal relief. Heartburn or acid indigestion is a painful and uncomfortable symptom which is often experienced after a large meal. It is known medically as dyspepsia. The acidic contents of the stomach can spill into the oesophagus or food pipe causing a harsh burning sensation. Gaviscon Advance as a reflux suppressant forms a protective layer which guards your stomach and prevents the acidic contents from escaping. The formula contains potassium bicarbonate which is an antacid neutralising the harsh stomach fluid. The symptoms of hiatus hernia and reflux oesophagitis are similar and can also be relieved by this treatment. Uncomfortable flatulence may also be alleviated by Gaviscon Advance Liquid Aniseed.