Mylanta Fast Chews Tablets provide convenient and fast relief from indigestion, heartburn, upset stomach, flatulence and wind pain. They have a pleasant mint flavour. Active Ingredients (per tablet): Calcium carbonate 550mg, Magnesium hydroxide 110mg Directions for use: Chew 1 - 2 tablets when required. Do not exceed 14 tablets in 24 hours. Stop use after two weeks, except on medical advice. Cautions: You should consult your doctor if: You have been taking MYLANTA antacids continuously for 14 days You have been vomiting or passing blood Before use in children under 12 years of age. Before use if you have kidney disease. If you have a medical condition or are taking any other medicines If you are on a magnesium restricted diet If you are pregnant or breastfeeding