PROBLEM TO BE SOLVED: To provide a catechin absorption promoter that promotes the absorption of catechin into a living body.SOLUTION: A catechin absorption promoter comprises, as an active ingredient, at least one selected from the group consisting of Sapindus mukurossi extract, Quillaja saponaria MOLINA extract, Polygala senega extract, Polygala tenuifolia extract, and Achyranthes bidentata extract.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】生体内へのカテキン類の吸収を促進する、カテキン類吸収促進剤を提供する。【解決手段】ムクロジ(Sapindusmukurossi)抽出物、キラヤ(Quillajasaponaria MOLINA)抽出物、セネガ(Polygalasenega)抽出物、イトヒメハギ(Polygalatenuifolia)抽出物、及びイノコズチ(Achyranthesbidentata)抽出物からなる群より選ばれる少なくとも1種を有効成分とする、カテキン類吸収促進剤。【選択図】なし