A naturally-occurring, fat-soluble compound in the ubiquinone family; Coenzyme Q10 is found in cell membranes and lipoproteins. It’s required for the synthesis of mitochondrial ATP, and functions as an antioxidant. Coenzyme Q10 has been used experimentally to treat cardiovascular and mitochondrial diseases. Coenzyme Q10 is often abbreviated as CoQ10. It’s sold as a supplement in either its ubiquinone or reduced ubiquinol form.
See: the Linus Pauling Micronutrient Information Center for more information.