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Related Experiment Video

Updated: Nov 30, 2025

Manipulation of Rhythmic Food Intake in Mice Using a Custom-Made Feeding System
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Eating Timing: Associations with Dietary Intake and Metabolic Health.

Amy Taetzsch1, Susan B Roberts2, Asma Bukhari3

  • 1(1)Department of Agriculture, Nutrition, and Food Systems, University of New Hampshire, Durham, NC; (2)Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA.

Journal of the Academy of Nutrition and Dietetics
|November 14, 2020
PubMed
Summary

Eating timing impacts diet and health in adults with overweight and obesity. Later eating intervals and bedtime eating were linked to higher energy intake and waist circumference, while time-restricted eating showed benefits.

Keywords:
Dietary intakeEating intervalEating timingMetabolic healthTime-restricted eating

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Area of Science:

  • Nutritional Science
  • Metabolic Health
  • Obesity Research

Background:

  • Emerging research suggests meal timing influences dietary intake and metabolic health.
  • Limited studies have explored the association of multiple eating timing measures with dietary intake and metabolic health in adults with overweight and obesity.

Purpose of the Study:

  • To investigate the relationship between various eating timing patterns and dietary intake (composition, quality, frequency) and metabolic health (body composition, cardiometabolic risk).

Main Methods:

  • Cross-sectional analysis of baseline data from a weight loss intervention.
  • Participants included women with overweight/obesity.
  • Eating timing variables: daily eating interval, time-restricted eating, early energy eating, and bedtime eating.

Main Results:

  • Longer daily eating intervals correlated with higher energy intake, glycemic load, eating frequency, and waist circumference.
  • Time-restricted eating was associated with lower energy intake, glycemic load, and eating frequency.
  • Early energy eating linked to higher carbohydrate intake; bedtime eating linked to higher energy intake, glycemic load, and eating frequency.

Conclusions:

  • Eating timing is a significant factor in dietary intake and body composition.
  • Findings support incorporating eating timing into behavioral interventions for weight management and metabolic health improvement.