GoodSense - Stomach Relief. Regular Strength - GoodSense Stomach Relief offers soothing relief from five common gastrointestinal symptoms: upset stomach, indigestion, heartburn, nausea, and diarrhea. Each 8 fl oz bottle contains a regular strength formula with 525 mg of Bismuth Subsalicylate, the active ingredient found in Pepto-Bismol. This maximum strength formula provides protective coating action to alleviate discomfort and restore digestive balance. Experience soothing relief for a range of stomach-related issues with GoodSense Stomach Relief.