While anecdotal evidence suggests that IBS fasting therapy may improve [simple_tooltip text=gastrointestinal motility tooltip=The contractions of the smooth muscles within the walls of the gastrointestinal tract that help move the food along the tract. ] and gut [simple_tooltip text=microbiota tooltip=A wide variety of microorganisms such as bacteria, fungi, and viruses occupying a particular environment. ], it may not work the same way for everyone. More research is warranted to back up the efficacy of fasting for IBS.