TUMS Chewy Bites Chewable Antacid Tablets go to work in seconds for delicious, chewable heartburn relief. When symptoms occur, take two to four chewable antacids, depending on the severity of your acid indigestion. Featuring the active ingredient calcium carbonate, these chewy antacid tablets provide heartburn, sour stomach and acid indigestion relief, as well as upset stomach relief associated with these symptoms. Each chewable tablet delivers fast relief in every bite. With a delicious outer shell and soft center, TUMS Assorted Berries tablets come in three delicious flavors. TUMS antacid tablets are the number 1 recommended adult antacid brand by doctors, pharmacists and OB-GYNs. As America's number 1 antacid and trusted as a heartburn medicine for 90 years, TUMS is fully supported with a satisfaction guarantee. These extra strength antacid chewable tablets for heartburn relief are gluten free. These extra strength heartburn relief tablets come in a compact, recyclable bottle that's easy to stow for whenever heartburn strikes. With TUMS Chewy Bites, you get tasty, fast acting heartburn relief in every chewy bite.