Gaviscon Double Action Mixed BerryTablets bring long lasting relief from the pain and discomfort of heartburn and acid indigestion, in a fresh and fruity mixed berry flavour. 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: Neutralising excess stomach acid to relieve pain and discomfort (white layer) Forming a protective barrier over the stomach contents to soothe the burning pain in your chest (pink layer)