Gaviscon Advance Aniseed Flavour 300ml Gaviscon Advance for Effective relief from heartburn & acid indigestion. Gaviscon Advance contains double the concentration of sodium alginate compared with Gaviscon Original. It therefore provides the strongest Gaviscon treatment possible. Gaviscon Advance works as a raft. i.e by forming a thick layer on top of the stomach contents which prevents acid rising back up into the oesophagus (food pipe) while also working to neutralise the acid. It is available in liquid format & is suitable for use in pregnancy. Ingredients (in 5ml) The active ingredient is sodium alginate Ph Eur (500 mg) & potassium bicarbonate Ph Eur (100 mg). The other ingredients are calcium, carbonate, carbomer, methyl & propyl hydroxybenzoates, sodium saccharin, sodium hydroxide, aniseed flavour derived from fennel, & purified water Directions Adults, including the elderly, & children 12 years & over: 5-10 ml (one to two 5 ml spoonfuls) after meals & at bedtime, or as directed. Children under twelve years: Should only be taken on medical advice