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Nutrients. 2019 Sep 9;11(9). pii: E2162. doi: 10.3390/nu11092162.

The Dietary Management of Patients with Irritable Bowel Syndrome: A Narrative Review of the Existing and Emerging Evidence.

Author information

1
Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden. j.p.algera@outlook.com.
2
Department of Gastroenterology and Hepatology, Amsterdam UMC (location VUmc), VU University Amsterdam, 1081 HV Amsterdam, The Netherlands. j.p.algera@outlook.com.
3
Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden. esther.colomier@student.kuleuven.be.
4
Department of Translational Research for Gastrointestinal Disorders, University Hospital KU Leuven, University of Leuven, 3000 Leuven, Belgium. esther.colomier@student.kuleuven.be.
5
Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, 413 45 Gothenburg, Sweden. magnus.simren@medicine.gu.se.

Abstract

Even though irritable bowel syndrome (IBS) has been known for more than 150 years, it still remains one of the research challenges of the 21st century. According to the current diagnostic Rome IV criteria, IBS is characterized by abdominal pain associated with defecation and/or a change in bowel habit, in the absence of detectable organic causes. Symptoms interfere with the daily life of patients, reduce health-related quality of life and lower the work productivity. Despite the high prevalence of approximately 10%, its pathophysiology is only partly understood and seems multifactorial. However, many patients report symptoms to be meal-related and certain ingested foods may generate an exaggerated gastrointestinal response. Patients tend to avoid and even exclude certain food products to relieve their symptoms, which could affect nutritional quality. We performed a narrative paper review of the existing and emerging evidence regarding dietary management of IBS patients, with the aim to enhance our understanding of how to move towards an individualized dietary approach for IBS patients in the near future.

KEYWORDS:

dietary fiber; dietary management; exclusion diets; gluten-free diet; irritable bowel syndrome; lactose-free diet; low FODMAP diet

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