UBIDECARENONE, ALSO CALLED COENZYME Q10, IS A 1,4-BENZOQUINONE. FROM HIS NAME (Q10), THE Q REFERS TO THE CONSTITUTIVE QUINONE GROUP, AND 10 IS RELATED TO THE NUMBER OF ISOPRENYL SUBUNITS IN ITS TAIL. IT IS A POWERFUL ANTIOXIDANT, A LIPID-SOLUBLE AND ESSENTIAL COFACTOR IN MITOCHONDRIAL OXIDATIVE PHOSPHORYLATION. THE UBIDECARENONE IS THE COENZYME DESTINED FOR MITOCHONDRIAL ENZYME COMPLEXES INVOLVED IN OXIDATIVE PHOSPHORYLATION IN THE PRODUCTION OF ATP. IT IS FUNDAMENTAL FOR CELLS THAT HAVE A HIGH METABOLIC DEMAND.