PROBLEM TO BE SOLVED: To provide a GLUT1 expression enhancer that has high safety and can be taken persistently.SOLUTION: A GLUT1 expression enhancer has at least one selected from chlorogenic acid, coffeic acid and a salt thereof as an active ingredient.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】安全性が高く持続的に摂取可能なGLUT1発現亢進剤を提供する。【解決手段】クロロゲン酸類、カフェ酸及びそれらの塩から選ばれる1種以上を有効成分とするGLUT1発現亢進剤。【選択図】なし