Bismuth subgallate is the active ingredient in Devrom® chewable tablets and capsules. It acts as a flatulence and stool deodorizer and it's mechanism of action is not known like most drugs. It is thought that bismuth subgallate works by acting on odor producing bacteria in the intestine so that expelled gas and stool are not as smelly.
Click here to learn more about the ingredients in Devrom®.