Exogenous Ketones’ Role in Appetite Suppression

Exogenous ketones may potentially contribute to appetite suppression, which can be beneficial for weight management efforts. Here are some mechanisms through which exogenous ketones may influence appetite:

Increased Satiety

Satiety refers to a feeling of fullness and satisfaction after a meal and promoting these feelings may help reduce someone’s overall calorie intake because when you feel satisfied after a meal or snack, you are less likely to continue eating or seek out additional food, contributing to a reduced overall calorie consumption, and supporting weight management goals. 

Regulation of Hunger Hormones

The impact of exogenous ketones on hunger hormones is an area of ongoing research, and the understanding of their effects is not yet fully decoded. What scientists have discovered is that ketones, including exogenous ketones, may influence the release of hormones that regulate hunger and satiety, such as ghrelin and leptin. 


Ghrelin is known as the “hunger hormone” as it stimulates appetite. Some studies suggest that supplementing with exogenous ketones, may have the potential to decrease ghrelin levels, thereby reducing hunger. 


Leptin is known as the “satiety hormone” as it signals fullness and reduces appetite. It is produced by fat cells and plays a role in regulating energy balance. Some research suggests that the ketogenic diet, which can increase ketone levels, may impact leptin levels. 

Peptide YY (PYY)

PYY is a hormone released by the gut that helps regulate appetite and promotes feelings of fullness. Some studies have suggested that ketosis, induced by a ketogenic diet or exogenous ketones, may increase PYY levels, potentially contributing to appetite suppression. 

Stable Blood Sugar Levels

Our blood sugar levels can also influence our eating habits. When blood sugar levels fluctuate wildly, your cravings can increase and you may be more likely to overeat. By providing a steady source of energy, exogenous ketones could help prevent sharp spikes and drops in blood sugar and regulate  appetite.

If you are considering using exogenous ketones for appetite control or weight management, it’s advisable to consult with a healthcare professional or a registered dietitian. They can provide personalized guidance based on your specific needs, goals, and medical history.

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