PROBLEM TO BE SOLVED: To provide pharmaceuticals, quasi drugs, food, and feed having excellent GLP-1 secretion promoting action and high safety, and materials which can be blended thereinto.SOLUTION: This invention includes Smilax China or an extract thereof as an active ingredient.COPYRIGHT: (C)2014,JPO&INPIT【課題】優れたGLP-1分泌促進作用を有し、且つ安全性が高い医薬品、医薬部外品、食品、飼料及びそれらに配合可能な素材を提供する。【解決手段】サンキライ又はその抽出物を有効成分とする。【選択図】なし