PROBLEM TO BE SOLVED: To provide a highly safe composition for improving lipid metabolism, improving obesity or the like.SOLUTION: According to the present invention, there is provided a composition for improving lipid metabolism and/or improving obesity or the like which contains 14-dehydroergosterol (14-DHE) or an Aspergillus oryzae fermentation product containing 14-DHE. According to the present invention, there is also provided a method for producing the composition in which a raw material derived from cereals is fermented by Aspergillus oryzae to obtain a fermentation product containing 14-DHE.SELECTED DRAWING: None【課題】安全性が高い脂質代謝改善や肥満改善等のための組成物の提供。【解決手段】本発明によれば１４－デヒドロエルゴステロール（１４－ＤＨＥ）またはそれを含有する麹菌発酵生成物を含んでなる、脂質代謝改善および／または肥満改善等のための組成物が提供される。本発明によればまた、穀物由来原料を麹菌により発酵させて１４－ＤＨＥを含有する発酵生成物を得ることを含んでなる、前記組成物の製造方法が提供される。【選択図】なし
