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Does Timing Matter? A Narrative Review of Intermittent Fasting Variants and Their Effects on Bodyweight and Body Composition

Aragon, Alan A., Schoenfeld, Brad J.·2022·Nutrients
DOI 10.3390/nu14235022PMC PMC9736182
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Abstract

The practice of fasting recently has been purported to have clinical benefits, particularly as an intervention against obesity and its related pathologies. Although a number of different temporal dietary restriction strategies have been employed in practice, they are generally classified under the umbrella term “intermittent fasting” (IF). IF can be stratified into two main categories: (1) intra-weekly fasting (alternate-day fasting/ADF, twice-weekly fasting/TWF) and (2) intra-daily fasting (early time-restricted eating/eTRE and delayed time-restricted eating/dTRE). A growing body of evidence indicates that IF is a viable alternative to daily caloric restriction (DCR), showing effectiveness as a weight loss intervention. This paper narratively reviews the literature on the effects of various commonly used IF strategies on body weight and body composition when compared to traditional DCR approaches, and draws conclusions for their practical application. A specific focus is provided as to the use of IF in combination with regimented exercise programs and the associated effects on fat mass and lean mass.

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Metadata

Authors
Aragon, A. A., & Schoenfeld, B. J.
Affiliations
  • Department of Family and Consumer Sciences, California State University, Northridge, CA 91330, USA
  • Department of Exercise Science and Recreation, CUNY Lehman College, Bronx, NY 10468, USA
ORCID
Schoenfeld, Brad J.
Venue
Nutrients
Publisher
MDPI AG
Published
2022-11-25
Volume
14
Issue
23
Pages
5022
ISSN
2072-6643
DOI
10.3390/nu14235022
PMC
PMC9736182
Cited by
18
References
17
Language
en
Licence
creativecommons.org/licenses/by/4.0/ (vor)

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