Alka seltzer extra Strength heartburn Relief Chews bring powerful, fast-acting heartburn, acid indigestion, upset stomach and sour stomach relief. These chewable antacid tablets feature a quick release formula that starts neutralizing acid in seconds for rapid multi-symptom relief. Easy to take with you anywhere you go, These fruit flavored calcium carbonate tablets come in non-chalky or gritty Strawberry, orange and lemon flavors. Convenient and delicious, These Alka seltzer relief Chews help you tackle tough acid indigestion, upset stomach and sour stomach symptoms.