TUMS Ultra Strength Peppermint chewable antacids offer fast acting, ultra strength heartburn relief so you can enjoy all of your favorite foods. TUMS antacid tablets relieve heartburn, sour stomach, acid indigestion, and upset stomach associated with these symptoms. Delivers double the acid neutralizing power per tablet of regular strength TUMS antacids. Comes in a delicious peppermint flavor and goes to work in seconds. TUMS heartburn medicine is America's number 1 antacid.