Actonorm contains aluminium hydroxide, magnesium hydroxide and activated dimethicone as the active ingredients. Actonorm is an antiacid which neutralizes gastric acid and so ensures that any reflux into the oesophagus is insufficiently acid to cause heartburn, It also possesses powerful antiflatulent and antispasmodic properties. It provides fast, short term relief from heartburn and indigestion, and is an excellent remedy for dyspepsia and flatulence.