PROBLEM TO BE SOLVED: To provide an agent which enables a rise in blood GLP-1 concentration.SOLUTION: A blood GLP-1 concentration rise promoter comprises catechin as an active ingredient.COPYRIGHT: (C)2015,JPO&INPIT【課題】血中GLP-1濃度の上昇可能な剤を提供すること。【解決手段】カテキン類を有効成分とする、血中GLP-1濃度上昇促進剤。【選択図】なし