To provide a novel, vitality improving or maintaining agent.SOLUTION: An improving or maintaining agent of this invention includes one of the following technical characteristics 1-6: 1) a QOL improving or maintaining agent on a mental aspect containing Passiflora extract as an active ingredient; 2) a vitality improving or maintaining agent containing Passiflora extract as an active ingredient; 3) a QOL improving or maintaining agent on a role playing/social aspect containing Passiflora extract as an active ingredient; 4) a social life functioning improving or maintaining agent containing Passiflora extract as an active ingredient; 5) a daily role playing functioning (mental) improving or maintaining agent containing Passiflora extract as an active ingredient; and 6) a food composition containing the agent cited in any one of the above items 1-5.SELECTED DRAWING: None【課題】新規な活力改善又は維持剤を提供する。【解決手段】以下の1~6の技術的特徴を有する。1.トケイソウ抽出物を有効成分とする精神的側面におけるQOL改善又は維持剤。2.トケイソウ抽出物を有効成分とする活力改善又は維持剤。3.トケイソウ抽出物を有効成分とする役割、社会的側面のQOL改善又は維持剤。4.トケイソウ抽出物を有効成分とする社会生活機能改善又は維持剤。5.トケイソウ抽出物を有効成分とする日常役割機能(精神)改善又は維持剤。6.上記1.~上記5.のいずれか1項に記載の剤を含有する食品組成物。【選択図】なし