PROBLEM TO BE SOLVED: To provide an agent for improving exercise function, agent for improving endurance, fatigue-resisting agent, agent for improving muscular strength, agent for promoting glycogen reserve and agent for improving muscular pumping ability which are safe, easily obtained and excellent in processability.SOLUTION: There are provided the agent for improving exercise function, agent for improving endurance, fatigue-resisting agent, agent improving for muscular strength, agent for promoting glycogen reserve and agent for improving muscular pumping ability that have a fat globule membrane component as an active ingredient.COPYRIGHT: (C)2010,JPO&INPIT【課題】安全性が高く、入手が容易で加工性にも優れた運動機能向上剤、持久力向上剤、抗疲労剤、筋力向上剤、グリコーゲン蓄積促進剤、筋ポンプ機能向上剤の提供。【解決手段】脂肪球皮膜成分を有効成分とする運動機能向上剤、持久力向上剤、抗疲労剤、筋力向上剤、グリコーゲン蓄積促進剤、筋ポンプ機能向上剤。【選択図】なし