PROBLEM TO BE SOLVED: To provide a composition for ameliorating fatigue with significant effects to unidentified complaints caused by fatigue, such as (1) daily tiredness, (2) fatigability or recoverability from tiredness, (3) shoulder stiffness, (4) headaches, (5) clear mind of awakening, (6) recovery from fatigue, including recovery from eye fatigue, (7) dryness of eyes, (8) ameliorating a disposition to catch a cold, (9) forgetfulness, (10) depressed feeling, (11) sagging skin, and (12) thinning hair.SOLUTION: There is provided a composition for ameliorating fatigue containing a soybean saponin B group.COPYRIGHT: (C)2012,JPO&INPIT【課題】(1)日々の疲れ、(2)疲れやすさ、疲れの取れやすさ、(3)肩こり、(4)頭痛感、(5)目覚めのすっきり感、(6)目の疲労回復等の疲労回復や、さらには(7)目の乾燥、(8)風邪の引きやすさの改善、(9)物忘れ、(10)憂鬱な気分、(11)肌のたるみ、(12)髪の毛のボリュウム等疲労に伴う不定愁訴に対して顕著な効果を有する疲労改善組成物の提供。【解決手段】大豆サポニンBグループを含有する疲労改善組成物。【選択図】図1