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Adult nursing
Increasing daily fibre intake positively affects glycaemic control and cardiometabolic factors and reduces premature mortality in people with pre-diabetes and type 1 and type 2 diabetes
  1. Ilaria Baruffaldi
  1. Paula Carr Diabetes Centre, Maidstone and Tunbridge Wells NHS Trust, Maidstone, UK
  1. Correspondence to Ilaria Baruffaldi, Maidstone and Tunbridge Wells NHS Trust, Maidstone ME16 9QQ, UK; ilaria.baruffaldi{at}

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Commentary on: Reynolds AN, Akerman AP, Mann J. Dietary fibre and whole grains in diabetes management: systematic review and meta-analyses. PLoS Med 2020 Mar 6;17(3):e1003053. doi: 10.1371/journal.pmed.1003053. eCollection 2020 Mar.

Implications for practice and research

  • Increasing daily fibre intake has been shown to reduce premature mortality and to improve glycaemic control.

  • The European Association for the Study of Diabetes guidelines currently emphasise the role of soluble fibre, while this review found that there were benefits from all types of fibre and in all types of diabetes. Despite this, direct evidence supported moving from low-dietary fibre to medium-dietary fibre and high-dietary fibre food.


Uncontrolled studies carried out in the 1970s linked an increased carbohydrate intake to …

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  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.