Coenzyme Q10 (CoQ10), also known as ubiquinone, is a vitamin-like compound found naturally in most cells of the body, with the highest concentrations found in the heart, liver, kidneys and pancreas. It functions as a cofactor in chemical reactions that generate energy in the form of adenosine triphosphate (ATP). CoQ10 also demonstrates antioxidant activity. Food sources of CoQ10 include animal organ meats, such as liver and kidney. CoQ10 can also be made in the body through a process that requires B vitamins and vitamin C, along with other nutrients. CoQ10 is commonly used as a dietary supplement by healthy individuals 1.