Highlights: 1 bottle containing 265 TUMS Ultra Strength Chewable Antacid Tablets for Heartburn Relief in easy to take, delicious Assorted Berry flavors - Strawberry and Raspberry This acid indigestion remedy treats the four signs of heartburn: burning in the chest, acid indigestion, sour stomach and upset stomach associated with these symptoms This heartburn and acid indigestion medicine has the active ingredient 1000 mg calcium carbonate TUMS antacids are the #1 recommended adult antacid brand by doctors, pharmacists and OBGYNs