Original Article | Published:

Intermittent energy restriction and weight loss: a systematic review

European Journal of Clinical Nutrition volume 70, pages 292299 (2016) | Download Citation

Subjects

Abstract

Background/Objectives:

Intermittent energy restriction (IER) is an eating pattern of regular daily periods of restricted energy intake followed by periods of unrestricted energy intake. This is gaining prominence as an alternative weight-loss strategy to daily energy restriction (DER). The aim of this systematic review was to determine the effectiveness of IER on weight loss in overweight and obese adults and compare this with DER.

Subjects/Methods:

A systematic literature search was conducted using the CINAHL, Embase, Medline, PsycINFO, Cochrane and Scopus databases. Eight studies that assigned overweight or obese adults to IER or to a DER ‘control’ were deemed eligible for inclusion.

Results:

All studies reported significant weight loss for IER groups. Average weight loss was approximately 0.2–0.8 kg per week. IER resulted in comparable weight loss to DER when overall energy restriction remained similar between diets. The majority of studies that reported body composition outcomes have shown equal efficacy for fat mass, fat-free mass and waist circumference.

Conclusions:

Weight loss was achieved in overweight and obese adults following IER and this loss was comparable to a DER diet. IER may be an effective alternative strategy for health practitioners to promote weight loss for selected overweight and obese people.

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Author information

Affiliations

  1. Department of Nutrition and Dietetics, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Victoria, Australia

    • C S Davis
    • , R E Clarke
    • , S N Coulter
    • , K N Rounsefell
    • , R E Walker
    • , C E Rauch
    • , C E Huggins
    •  & L Ryan
  2. Department of Natural Sciences, Galway-Mayo Institute of Technology, Galway, Ireland

    • L Ryan

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Competing interests

The authors declare no conflict of interest.

Corresponding author

Correspondence to L Ryan.

Supplementary information

About this article

Publication history

Received

Revised

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DOI

https://doi.org/10.1038/ejcn.2015.195

Author contributions

Study conception and design: LR. Collection of data: CSD, REC, SNC, KNR, REW and CER. Analysis and interpretation of data: LR, CSD, REC, SNC, KNR, REW and CER. Paper preparation CSD, LR and CEH. Revision of manuscript CSD and LR. All authors have actively contributed, read and approved the final manuscript.

Supplementary Information accompanies this paper on European Journal of Clinical Nutrition website (http://www.nature.com/ejcn)

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