To provide new means that contributes to effective utilization of mesenchymal stem cells.SOLUTION: The present invention provides a composition for promoting mesenchymal stem cell growth and a composition for improving a cognitive function, containing one or more food selected from the group consisting of beta-carotene containing food, rutin-containing food, anthocyanin-containing food and flavonol-containing food as an active ingredient; and a composition for promoting mesenchymal stem cell growth and a composition for improving the cognitive function, containing one or more material selected from the group consisting of beta-carotene, rutin, anthocyanin and flavonol as an active ingredient.SELECTED DRAWING: Figure 1

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