Metabolic Effects of Intermittent Fasting

Ruth E. Patterson, Dorothy D. Sears

Research output: Contribution to journalReview article

53 Citations (Scopus)

Abstract

The objective of this review is to provide an overview of intermittent fasting regimens, summarize the evidence on the health benefits of intermittent fasting, and discuss physiological mechanisms by which intermittent fasting might lead to improved health outcomes. A MEDLINE search was performed using PubMed and the terms "intermittent fasting," "fasting," "time-restricted feeding," and "food timing." Modified fasting regimens appear to promote weight loss and may improve metabolic health. Several lines of evidence also support the hypothesis that eating patterns that reduce or eliminate nighttime eating and prolong nightly fasting intervals may result in sustained improvements in human health. Intermittent fasting regimens are hypothesized to influence metabolic regulation via effects on (a) circadian biology, (b) the gut microbiome, and (c) modifiable lifestyle behaviors, such as sleep. If proven to be efficacious, these eating regimens offer promising nonpharmacological approaches to improving health at the population level, with multiple public health benefits.

Original languageEnglish (US)
Pages (from-to)371-393
Number of pages23
JournalAnnual Review of Nutrition
Volume37
DOIs
StatePublished - Aug 21 2017
Externally publishedYes

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Keywords

  • Circadian rhythm
  • Gut microbiome
  • Modifiable lifestyle behaviors
  • Postprandial

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Metabolic Effects of Intermittent Fasting. / Patterson, Ruth E.; Sears, Dorothy D.

In: Annual Review of Nutrition, Vol. 37, 21.08.2017, p. 371-393.

Research output: Contribution to journalReview article

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