Pepto Bismol Fast Melts Chewables. When you have stomach troubles, Pepto Bismol Fast Melts Soft Chewable Tablets with delightful fresh berry flavor coat your stomach and provide fast relief from nausea, heartburn, indigestion, upset stomach, and diarrhea. Easy to Take for Fast and Convenient Relief! Order online today or find it in the Immediate Heartburn Relief section of the Digestive Health aisle in your favorite Target store.