To prevent or alleviate various pathologies caused by lifestyle-related diseases, etc., the present invention provides a substance having an effect of promoting the expression and elevating the expression level of adiponectin, and applications thereof. An adiponectin expression promoting agent containing, as an active ingredient, at least one cyanidin compound selected from the group consisting of cyanidin and cyanidin glycosides can be applied to pharmaceutical or food compositions for use in applications in which the pharmacological effects of adiponectin are utilized.