| abstract |
Provided by the present invention is a composition for preventing or improving dementia or a depressive state, containing one or more kinds of essential amino acids other than leucine and not less than 35 mol% of leucine relative to the total content of essential amino acids. The composition has a more effective preventive or improving effect for dementia or a depressive state, in particular, a depressive state caused by stress, has high safety and can be continuously ingested or administered. |