The Science Behind IBS Dietary Interventions

A succinct review (BE Lacy. Clin Gastroenterol Hepatol 2015; 13: 1899-1906) reviews the topic of dietary interventions for irritable bowel syndrome (IBS).

Here are some of the points:

  • “True food allergies are present in 1% to 4% of the US population, but are not more prevalent in IBS patients.”
  • One study found that “more than 1 in 4 patients with self-reported NCGS [nonceliac gluten sensitivity] actually fulfill the diagnosis.”  In other words, most patients with self-reported NCGS do not have NCGS.
  • “The prevalence of lactase deficiency is similar, or slightly higher, in IBS patients compared with healthy subjects; however, the self-reporting of symptoms attributed to lactose intolerance is not reliable.”
  • Potential mechanisms of food triggering GI symptoms were discussed, including intestinal permeability, visceral hypersensitivity, small intestine bacterial overgrowth, and gut microbiome.

Another article which covers the same topic: PR Gibson et al. Gastroenterol 2015; 148: 1158-74.


2 thoughts on “The Science Behind IBS Dietary Interventions

  1. Pingback: Is a Gluten-Free Diet a Healthy Diet for Those without Celiac Disease? | gutsandgrowth

  2. Pingback: What Happens When Patients With ‘Gluten Sensitivity’ Are Challenged with Gluten? | gutsandgrowth

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