Coenzyme.Q10.(CoQ10).Ubiquinone.is.an.antioxidant.naturally.produced.by.the.human.body..CoQ10.is.essential.for.basic.cell.function..100%.Natural.(Trans-Isomer).and.USP.Gra.CoQ-10.(Ubiquinone).is.an.oxidized.form.of.Ubiquinol.and.when.used.by.the.body.transforms.to.Ubiquinol.