Yes, the digestive fibre inulin is beneficial in IBS if taken in moderation under the guidance of an expert. The intake of inulin in chicory regulates bowel movements. In addition, it alters the consistency and frequency of the stools by changing the composition of gut bacteria. Therefore, it benefits patients with irritable bowel syndrome primarily. But excess consumption may cause adverse effects such as excess inulin, which may be hard to digest. Depending on individual tolerance, inulin may benefit or may result in abdominal discomfort.