For IBS, specific diets are less important than expected

Many IBS sufferers avoid certain types of food and often exclude gluten. However, a large new study from Chalmers University of Technology and Uppsala University, Sweden, does not show a relationship between high intake of gluten and increased IBS symptoms. The researchers did find that a certain type of carbohydrate called 'fodmaps' can aggravate intestinal problems, however, the overall results indicate that they also have less influence than previously thought.

source https://medicalxpress.com/news/2021-12-ibs-specific-diets-important.html