Enhanced Absorption All Natural Form. Promoted Cellular Energy Production. Natural Factors Coenzyme Q10 in these easy-to-swallow softgel capsules is derived from 100% all natural-sourced material. 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 cellular energy production.