TUMS Chewy Bites Chewable Antacid Tablets with Gas Relief fight heartburn and gas in every tasty chew, so you can get back to the moments that matter. TUMS antacids contain 750 mg of calcium carbonate to quickly and effectively relieve heartburn, sour stomach, acid indigestion and upset stomach associated with these symptoms. These antacid chewable tablets also contain simethicone 80 mg to relieve gas associated with heartburn, sour stomach or acid indigestion. TUMS heartburn medicine neutralizes acid on contact, giving you fast symptom relief. Featuring a tasty outer shell with a soft center, this lemon and strawberry flavored antacid gives you a flavorful experience with fast relief in every bite. Adults and children 12 years and older may chew and swallow one to two heartburn tablets as symptoms occur or as directed by a doctor. Known as a trusted brand to fight heartburn fast for 90 years, TUMS is America’s #1 antacid and the #1 physician, pharmacist and OBGYN-recommended adult antacid brand. These fruit flavored antacid tablets come in a resealable bottle that is easy to keep in your car or office so you're ready when heartburn strikes.