The low FODMAP diet: recent advances in understanding its mechanisms and efficacy in IBS

@article{Staudacher2017TheLF,
  title={The low FODMAP diet: recent advances in understanding its mechanisms and efficacy in IBS},
  author={Heidi M. Staudacher and Kevin Whelan},
  journal={Gut},
  year={2017},
  volume={66},
  pages={1517 - 1527}
}
There is an intensifying interest in the interaction between diet and the functional GI symptoms experienced in IBS. Recent studies have used MRI to demonstrate that short-chain fermentable carbohydrates increase small intestinal water volume and colonic gas production that, in those with visceral hypersensitivity, induces functional GI symptoms. Dietary restriction of short-chain fermentable carbohydrates (the low fermentable oligosaccharide, disaccharide, monosaccharide and polyol (FODMAP… 
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An emerging body of research now demonstrates the efficacy of fermentable carbohydrate restriction in IBS; however, limitations still exist with this approach owing to a limited number of randomized trials, in part due to the fundamental difficulty of placebo control in dietary trials.
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TLDR
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A low FODMAP diet appears to be more effective than standard dietary advice for symptom control in IBS.
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