Enhanced Absorption. All-Natural Form. Promotes Cellular Energy Production. Natural Factors Coenzyme Q10 in these easy-to-swallow softgel capsules is derived from 10% all natural-sourced materials. This highest grade of Coenzyme Q10 is blended in a base of rice bran oil for enhanced absorption. Coenzyme Q10 also called CoQ10 or ubiquinone is a natural substance essential to cellular energy production.