The present invention is intended to provide compositions which exert excellent effects allowing improvement in the mental function of humans and animals other than humans, such as reduction of mental fatigue, maintenance and enhancement of concentration maintenance and enhancement of mental vigor, and the like. These compositions are provided as mentally functional compositions containing, as the active component, a mixture component comprising caffeine, theanine, and arginine which are contained in tea. It is preferable that caffeine, theanine, and arginine are mixed such that the mixing ratio approaches a ratio of 1:2:2. Further, by combining the above-described mixture component with sugar and citric acid, mentally functional foods and beverages can be also provided which are taken with ease and effective.

Ito En, Ltd.

Composition for reducing mental fatigue, composition for maintaining and enhancing concentration, and composition for maintaining and enhancing mental vigor

The present invention provides an oral or enteral composition incorporating not only BCAA but other nutrients to be conducive to comprehensive recovery from fatigue, and improvement in total physical condition. The oral or enteral composition is formulated as a composite of a branched-chain amino acid, coenzyme Q.sub.10, L-carnitine, a citric acid, and zinc.

citric acid/fatigue

Composition for reducing mental fatigue, composition for maintaining and enhancing concentration, and composition for maintaining and enhancing mental vigor

Oral or enteral composition useful for recovery of physical functions

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