Cincinnati

New Study Tips Scales: Low-FODMAP Diet May Offer More IBS Relief Than Mediterranean Alternative

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Published on July 03, 2025
New Study Tips Scales: Low-FODMAP Diet May Offer More IBS Relief Than Mediterranean AlternativeSource: Debby Hudson on Unsplash

According to a study published in Neurogastroenterology & Motility, those who strategically opt to cut out certain carbs might find themselves winning over their stomachs' tantrums. This rigorous study shows that the low-FODMAP diet can offer more relief for IBS symptoms like diarrhea than its Mediterranean counterpart. 

As reported by MedCentral, although the low-FODMAP diet has stood as the most evidence-based approach for quelling IBS symptoms, it hadn't been tested head-to-head against the Mediterranean diet in a controlled environment, to effectively compare the two diets, until now. Standing for fermentable oligo-, di-, monosaccharides and polyols, FODMAPs are certain types of carbohydrates that, when not properly absorbed, can trigger IBS symptoms. Hence, the low-FODMAP diet aims to limit these tricky carbs to keep the digestive drama at bay. In contrast, the Mediterranean diet encourages a broader spectrum of plant-based foods, which some find to be less restrictive and easier to adhere to.

Dr. Susan S. Kais, a board-certified gastroenterologist and assistant professor at the University of Cincinnati College of Medicine—who, for the record, had no part in the study—offered her insight into what these findings could mean for patients and practices. "The low-FODMAP diet targets specific fermentable carbohydrates known to trigger IBS symptoms, directly addressing underlying gut fermentation and gas production. Conversely, the Mediterranean diet emphasizes a more diverse intake of plant-based foods, which can promote gut health, better compliance, less restriction and may improve overall gastrointestinal function and inflammation," Kais elaborated in a statement obtained by the University of Cincinnati.

With these new findings in hand, it seems like doctors might want to start advising their IBS-inflicted patients to try the low-FODMAP diet before any others, maybe. Nevertheless, if that plan goes south or proves too restrictive, Kais suggests steering them towards the Mediterranean diet instead. “If it fails, direct patients to the Mediterranean diet, which could serve as a beneficial alternative — particularly for those who struggle with the restrictive nature of the low-FODMAP diet," Kais told the University of Cincinnati.

To wrap it up with a neat bow, Kais underscores the importance of physicians collaborating with nutritionists and dietitians. To tailor a diet to each individual's needs and help the faithful follow through. This means educating patients on dietary do's and don'ts, building a strong support network for them, and leveraging technology like food-tracking apps to ease the process. As the saying goes, knowledge is power—and that includes knowing which fork in the road to take for a happy gut.