PROBLEM TO BE SOLVED: To provide an application using a function of GABA of improving or supporting vigor and/or vitality.SOLUTION: There are provided a vigor and/or vitality improver for allowing GABA to be taken from outside a body or a food additive for improving vigor and/or vitality, or a food and drink composition for improving vigor and/or vitality containing the food additive which contain GABA as an active ingredient. In the vigor and/or vitality improver, daily dose of GABA is 10 to 3000 mg. The vigor and/or vitality improver is an orally administered pharmaceutical preparation. The vigor and/or vitality improver is produced for persons having sleep disorder and feeling fatigue everyday. A method for producing a food and drink composition for improving vigor and/or vitality includes a process of blending GABA into a material of a food and drink composition.SELECTED DRAWING: None【課題】ＧＡＢＡの活気及び／又は活力を向上する、あるいはサポートする機能を利用する用途の提供。【解決手段】ＧＡＢＡを有効成分として含むことを特徴とする、体外からＧＡＢＡを摂取させるための活気及び／又は活力向上剤、又は活気及び／又は活力向上用食品添加剤、或いは上記食品添加剤を含む、活気及び／又は活力向上用飲食品組成物。ＧＡＢＡの一日摂取量が１０～３０００ｍｇである。経口投与される製剤である。日ごろから睡眠の不調および疲労を感じている人を対象とする。飲食品組成物の材料にＧＡＢＡを配合する工程を含む、活気及び／又は活力向上用飲食品組成物の製造方法。【選択図】なし
