Gaviscon double action mint oral suspension 300ml for heartburn and indigestion fast effective relief which lasts for up to 4 hoursingredients each 10ml of oral suspension contains 500mg sodium alginate 213mg sodium bicarbonate and 325mg calcium carbonate contains sodium calcium methyl e218 and propyl e216 parahydroxybenzoateswarningsuitable for adults and children aged 12 years and over always read the label storage information do not store above 30c