Abstract: The present invention provides a composition that exhibits favorable fat absorption inhibitory activity, is capable of being safely and easily taken continuously without side effects, and further is capable of preventing and/or improving conditions associated with excessive fat absorption such as obesity and hyperlipidemia. The present invention relates to a fat absorption inhibitory composition, which contains as an active ingredient a component that is collected as insoluble matter obtained by extracting wheat germ with water at 65° C. or lower and pH 5.0 or lower and treating the extract at 70° C. or higher and pH 6.0 or higher.