The present invention aims to provide novel DHEA production promoting agent for anti-aging and improvement of life functions, and applied products that contain the agent. The applied products include foods, food additives, supplements, lotions, cosmetics, etc.The DHEA production promoting agent of the present invention contains an extract of truffles. It is desirable that this extract is at least one of extraction liquids extracted with an organic solvent or hot water. More preferably, it is obtained by extracting the truffles with the organic solvent at the temperature range of 50 C° to 80 C°. Moreover, it is desirable to use the artificially-cultivated truffles.
