Rennie Spearmint tablets contain two naturally-occurring antacids called calcium carbonate and magnesium carbonate which neutralise stomach acid by turning it in to water and other natural substances. They act directly in the oesophagus as well as in the stomach and are then eliminated by your body.
One or two tablets to be sucked or chewed as required, up to a maximum of eleven tablets a day Do not exceed the stated dose. Side effects are unlikely at stated dose.
Each tablet contains Calcium Carbonate 680mg (equivalent of 272mg Calcium) and Heavy Magnesium Carbonate 80mg. Also contains sucrose (250mg), glucose (250mg), spearmint flavour, talc, povidone, saccharin sodium and magnesium stearate.