From the Manufacturer:
Coenzyme Q10 is a vitamin-like compound called ubiquinone. It is an essential comoponent of cells and is utilized by the mitochondria in the normal process of energy production. Coenzyme Q10 is constantly being reduced and oxidized as an energy carrier. In its reduced form, CoQ10 functions as potent antixoidant.* Our Coenzyme Q10 is produced exclusively in Japan through a natural fermentation process.