Gaviscon Max Relief Chewable foamtabs begin working immediately. Provides day and night-time relief of heartburn, acid reflux and GERD (Gastro-Esophageal Reflux Disease) symptoms. Doctor recommended Gaviscon forms a protective foam barrier that blocks acid reflux for hours. Features: Aluminum, lactose and gluten freeBegins working immediatelyFor acid reflux & heartburnAcid shielding foam barrierDay and night-time relief of heartburn, acid reflux and GERD (Gastro-Esophageal Reflux Disease) symptoms Peppermint with cooling action flavourDirections: (Adults and Children Ages 12 and Over) Chew 2-4 tablets up to 11 tablets daily. Use when symptoms occur or take as directed by a doctor. Do not swallow whole.Medicinal Ingredients: 360 mg Alginic Acid (Derived from Brown Seaweed), 72 mg Magnesium Carbonate/Tablet. Non-Medicinal Ingredients: Peppermint Flavour, Calcium Stearate, Sodium Bicarbonate, Sugar.Keep out of reach of  children. Security Feature: Do not use if safety seal under cap is broken or missing. Consult a doctor if symptoms persist beyond 2 weeks or recur. Except under your doctor's advice, if pregnant or on a low salt diet do not exceed 3 tablets per day, do not take if you suffer from kidney disease or within 2 hours of another medicine because the effectiveness may be altered.Avoid excessive humidity.