Gaviscon Peppermint Flavour Tablets Gaviscon Peppermint Flavour Tablets are part of the Gaviscon Original range. Gaviscon Peppermint Flavour Tablets get to work instantly to treat the symptoms of heartburn, indigestion & acid regurgitation & last up to 2x longer than antacids. The chewable tablets form a protective barrier over the contents of the stomach to help prevent acid coming back up into the oesophagues (food pipe) where it causes discomfort. Gaviscon Peppermint Flavour Tablets are suitable for use during pregnancy & breastfeeding. How Gaviscon Original works (video):