Food supplement All-natural formula Enhanced absorption Guaranteed for potency & purity The highest grade of Coenzyme Q10 is blended in a base of rice bran oil to enhance absorption. Coenzyme Q10, also known as CoQ10 or ubiquinan, is a natural substance essential for the production of cellular energy. It is also an antioxidant that eliminates free radicals throughout the body and is involved in maintaining normal heart functions. CoQ10 works well with Vitamin E and other antioxidants.