PROBLEM TO BE SOLVED: To provide a sugar and/or lipid metabolism improver.SOLUTION: The present invention provides a sugar and/or lipid metabolism improver containing a GPLD1 inhibitor.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】糖及び/又は脂質の代謝改善剤を提供すること。【解決手段】GPLD1抑制剤を含有する、糖及び/又は脂質の代謝改善剤。【選択図】なし