Help tackle heartburn and indigestion quickly and effectively with Gaviscon Double Action. For fast and effective relief that lasts up to four hours, this 150ml oral suspension contains sodium alginate, sodium bicarbonate and calcium carbonate. Gaviscon Double Action works by not only neutralising excess stomach acid to relieve pain and discomfort, it also forms a protective barrier over the stomach contents to soothe any burning pain in your chest. Used for the treatment of symptoms of gastro-oesophageal reflux, heartburn and indigestion. Warning: Always follow dosage provided on the label. Keep out of reach of children. Always follow instructions included. Not suitable for children under 12 years of age.