Bismuth Subsalicylate (Standard) is the analytical standard of Bismuth Subsalicylate. This product is intended for research and analytical applications. Bismuth Subsalicylate is a potent and orally active antacid and anti-diarrheal agent. Bismuth Subsalicylate reduces inflammation/irritation of stomach and intestinal lining through inhibition of prostaglandin synthesis in vivo^[1]. Bismuth Subsalicylate is widely used for the research of diarrheal disorders, including indigestion, diarrhoea, nausea, et al^[1][2].