Inulin seems to reduce hunger and increase satiety, possibly related to its influence on gut hormones including increased peptide YY (PYY) and decreased ghrelin.[1][2] Despite this, most research in children and adults has not found that inulin supplementation influences weight status to any significant degree.[3][1]
Does inulin affect body weight?
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•Last Updated: April 23, 2025
Inulin may help reduce hunger and increase feelings of fullness by affecting gut hormones like peptide YY and ghrelin. However, most studies indicate that inulin supplementation does not significantly affect body weight in children and adults.