Gaviscon Double Action Mixed Berries Flavour Chewable tablets bring long lasting relief from the pain and discomfort of heartburn and acid indigestion. They get to work in two different ways: 1. Neutralising excess stomach acid to relieve pain and discomfort (white layer). 2. Forming a protective barrier over the stomach contents to soothe the burning pain in your chest (pink layer)Dosage: For oral administration. Chew thoroughly before swallowing. Read the package leaflet before use. Adults and children over 12 years: When symptoms occur take two to four tablets after meals and at bedtime, up to four times a day. Children under 12 years: Should only be taken on medical advice. Always read label.