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Effects of Ramadan Intermittent Fasting on Gut Hormones and Body Composition in Males with Obesity

Author

Listed:
  • Hassane Zouhal

    (Laboratoire Mouvement, Sport, Santé (M2S)-EA 1274, Université Rennes, F-35000 Rennes, France)

  • Reza Bagheri

    (Department of Exercise Physiology, University of Isfahan, Isfahan 8174673441, Iran)

  • Raoua Triki

    (ISSEP Ksar Said, University of La Manouba, Tunis 2000, Tunisia)

  • Ayoub Saeidi

    (Department of Physical Education, Damghan Branch, Islamic Azad University, Damghan 3671637849, Iran)

  • Alexei Wong

    (Department of Health and Human Performance, Marymount University, Arlington, VA 22207, USA)

  • Anthony C. Hackney

    (Department of Exercise & Sport Science, University of North Carolina, Chapel Hill, NC 27599, USA)

  • Ismail Laher

    (Department of Anesthesiology, Pharmacology and Therapeutics, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada)

  • Katsuhiko Suzuki

    (Faculty of Sport Sciences, Waseda University, Tokorozawa 359-1192, Japan)

  • Abderraouf Ben Abderrahman

    (ISSEP Ksar Said, University of La Manouba, Tunis 2000, Tunisia)

Abstract

We studied the effects of Ramadan intermittent fasting (RIF) on gut hormones (leptin, glucagon-like peptide-1 (GLP-1), peptide YY (PYY), cholecystokinin (CCK), and ghrelin) in males with obesity. Thirty sedentary males were randomly allocated to either an experimental group (EG, n = 15) or a control group (CG, n = 15). The EG group completed their Ramadan fasting rituals (30 days), whereas the CG continued with their normal daily habits. Blood samples were collected at four time points: 24 h before the start of Ramadan (T0), on the 15th day of Ramadan (T1), the day after the end of Ramadan (T2) and 21 days after Ramadan (T3). There were significant pre-to-post improvements for leptin ( p = 0.01, d = 1.52), GLP-1 ( p = 0.022, d = 0.75), PYY ( p = 0.031, d = 0.69) and CCK ( p = 0.027, d = 0.81) in the EG, with no interaction effect for ghrelin ( p = 0.74; d = 0.008). No significant changes ( p > 0.05) occurred in plasma volume variations (ΔPV) after RIF in both EG (−0.03 ± 0.01%) and CG (0.06 ± 0.07%). RIF represents an effective strategy to modify appetite-regulating hormones, leading to improved body composition indices and reduced obesity.

Suggested Citation

  • Hassane Zouhal & Reza Bagheri & Raoua Triki & Ayoub Saeidi & Alexei Wong & Anthony C. Hackney & Ismail Laher & Katsuhiko Suzuki & Abderraouf Ben Abderrahman, 2020. "Effects of Ramadan Intermittent Fasting on Gut Hormones and Body Composition in Males with Obesity," IJERPH, MDPI, vol. 17(15), pages 1-15, August.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:15:p:5600-:d:394013
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    References listed on IDEAS

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    1. Greger, J.L. & Etnyre, G.M., 1978. "Validity of 24-hour dietary recalls by adolescent females," American Journal of Public Health, American Public Health Association, vol. 68(1), pages 70-72.
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    Cited by:

    1. Zhicheng Guo & Jianguang Cai & Ziqiang Wu & Weiqi Gong, 2022. "Effect of High-Intensity Interval Training Combined with Fasting in the Treatment of Overweight and Obese Adults: A Systematic Review and Meta-Analysis," IJERPH, MDPI, vol. 19(8), pages 1-20, April.

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