Gaviscon Advance Liquid Aniseed is an easy to drink pleasant formula that rapidly relieves the pain and burning sensations of acid reflux and indigestion known clinically as dyspepsia. This Gaviscon Advance formula contains natural aniseed a herb used for its invigorating and pleasant flavour as well as for 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.