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Courtney Peterson PhD

Courtney M. Peterson PhD

Associate Professor, Department of Nutrition Sciences, University of Alabama at Birmingham, Birmingham, Alabama

Dr. Courtney Peterson is an Associate Professor in the Department of Nutrition Sciences at the University of Alabama at Birmingham. She is an internationally-recognized expert on intermittent fasting. Currently, her research focuses on early time-restricted eating (TRE), a form of daily intermittent fasting that involves eating early in the day to be in alignment with circadian rhythms in metabolism. Dr. Peterson conducted the first supervised controlled feeding study of any form of intermittent fasting in humans and recently received funding to conduct the largest study of intermittent fasting in humans. Her research investigates how time-restricted feeding affects glucose metabolism, blood pressure, lipids, oxidative stress, weight loss, energy expenditure, the circadian system, autophagy, sleep, and gene expression in humans.


Dr. Peterson has no relevant disclosures.

Recent Contributions to PracticeUpdate:

  1. Effects of Time-Restricted Eating on Weight Loss