CARDIAC DYSFUNCTION-AMELIORATING AGENT OR CARDIAC FUNCTION-MAINTAINING AGENT

摘要

An object of the present invention is to provide a highly safe oral composition superior in a cardiac dysfunction-ameliorating or cardiac function-maintaining action. The present inventors have conducted intensive studies in an attempt to solve the aforementioned problems and found that use of, particularly, reduced coenzyme Q10 from among highly safe coenzyme Q affords a composition useful for amelioration of cardiac dysfunction and maintenance of cardiac function. Accordingly, the present invention provides a cardiac dysfunction-ameliorating agent or cardiac function-maintaining agent containing reduced coenzyme Q as an active ingredient, and a pharmaceutical product, a food, an animal drug, a feed and the like, which contain the agent.