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Ketogenic diets and appetite regulation.
Jessica Roekenes1, Catia Martins1,2
1Obesity Research Group, Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
Current Opinion in Clinical Nutrition and Metabolic Care
|April 22, 2021
Summary
Ketogenic diets effectively suppress appetite by reducing hunger hormones like ghrelin and increasing satiety peptides. This appetite suppression aids adherence to weight loss diets and improves outcomes.
Area of Science:
- Nutrition Science
- Endocrinology
- Metabolic Health
Background:
- Ketogenic diets are increasingly popular for obesity management.
- Their potential appetite suppressant effect is a key factor in this popularity.
Purpose of the Study:
- To review the latest scientific evidence on how ketogenic diets affect appetite.
- To understand the mechanisms behind appetite suppression during ketosis.
Main Methods:
- Review of recent scientific literature (last 2 years) on ketogenic diets and appetite.
- Analysis of studies involving ketogenic diets, exogenous ketones, and appetite hormones.
- Correlation of ketosis levels (β-hydroxybutyrate) with appetite regulation.
Main Results:
- Ketogenic diets suppress the rise in hunger hormone ghrelin and feelings of hunger during weight loss.
- Exogenous ketone research supports a direct effect of ketones on appetite regulation.
- Higher ketosis levels correlate with reduced ghrelin and hunger, and increased satiety peptides.
Conclusions:
- Ketogenic diets demonstrate a significant appetite suppressant effect.
- This effect may enhance adherence to energy-restricted diets and improve weight loss.
- Further research is needed to fully elucidate the mechanisms of ketone-induced appetite suppression.
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