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Review

Efficacy of an Irritable Bowel Syndrome Diet in the Treatment of Small Intestinal Bacterial Overgrowth: A Narrative Review

by
Justyna Paulina Wielgosz-Grochowska
1,*,
Nicole Domanski
2 and
Małgorzata Ewa Drywień
1
1
Department of Human Nutrition, Institute of Human Nutrition Sciences, Warsaw University of Life Sciences, 02-776 Warsaw, Poland
2
Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
*
Author to whom correspondence should be addressed.
Nutrients 2022, 14(16), 3382; https://doi.org/10.3390/nu14163382
Submission received: 16 July 2022 / Revised: 9 August 2022 / Accepted: 15 August 2022 / Published: 17 August 2022

Abstract

Small intestinal bacterial overgrowth (SIBO) is highly prevalent in irritable bowel syndrome (IBS). The eradication of bacterial overgrowth with antibiotics is the first-line treatment. However, focusing only on the antimicrobial effects without taking care to improve lifestyle factors, especially dietary patterns, may predispose patients to intestinal microbiota dysfunction. The objective of this study is to determine whether the current recommendations regarding nutrition in IBS are suitable for patients with SIBO. A narrative literature review was carried out using databases, including PubMed, ScienceDirect and Google Scholar. Recent studies indicate that dietary manipulation may have a role in alleviating SIBO gastrointestinal symptoms. A low FODMAP diet proposed for IBS may promote a negative shift in the gut microbiota and deepen the existing state of dysbiosis in SIBO patients. Supplementation with soluble fiber can lessen the symptoms in IBS and SIBO. Targeted probiotic therapy may also increase the effectiveness of antibiotic treatment and regulate bowel movements. Therefore, optimal dietary patterns play a key role in the treatment of SIBO. Based on currently available literature, the potential efficacy of the IBS diet in SIBO is largely hypothetical. Future research is needed to characterize a specific diet for the treatment of SIBO.
Keywords: microbiota; dysbiosis; IBS; SIBO; FODMAP; probiotics; prebiotics; fiber microbiota; dysbiosis; IBS; SIBO; FODMAP; probiotics; prebiotics; fiber

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MDPI and ACS Style

Wielgosz-Grochowska, J.P.; Domanski, N.; Drywień, M.E. Efficacy of an Irritable Bowel Syndrome Diet in the Treatment of Small Intestinal Bacterial Overgrowth: A Narrative Review. Nutrients 2022, 14, 3382. https://doi.org/10.3390/nu14163382

AMA Style

Wielgosz-Grochowska JP, Domanski N, Drywień ME. Efficacy of an Irritable Bowel Syndrome Diet in the Treatment of Small Intestinal Bacterial Overgrowth: A Narrative Review. Nutrients. 2022; 14(16):3382. https://doi.org/10.3390/nu14163382

Chicago/Turabian Style

Wielgosz-Grochowska, Justyna Paulina, Nicole Domanski, and Małgorzata Ewa Drywień. 2022. "Efficacy of an Irritable Bowel Syndrome Diet in the Treatment of Small Intestinal Bacterial Overgrowth: A Narrative Review" Nutrients 14, no. 16: 3382. https://doi.org/10.3390/nu14163382

APA Style

Wielgosz-Grochowska, J. P., Domanski, N., & Drywień, M. E. (2022). Efficacy of an Irritable Bowel Syndrome Diet in the Treatment of Small Intestinal Bacterial Overgrowth: A Narrative Review. Nutrients, 14(16), 3382. https://doi.org/10.3390/nu14163382

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