PROBLEM TO BE SOLVED: To provide an agent for reducing mesenteric fat, which is routinely and readily taken.SOLUTION: The agent for reducing mesenteric fat contains a galacto-oligosaccharide as an active ingredient. The galacto-oligosaccharide is an oligosaccharide of trisaccharide or polysaccharide represented by a specific general formula.COPYRIGHT: (C)2010,JPO&INPIT【課題】日常的に手軽に摂取できる腸間膜脂肪低減剤の提供。【解決手段】ガラクトオリゴ糖を有効成分として含有する腸間膜脂肪低減剤。【選択図】なし