Ubiquinol is the active antioxidant form of CoQ10. It has an additional two hydrogen atoms and comprises the majority of the ubiquinone/ubiquinol pool in the plasma of healthy subjects. Ubiquinol may be important for older individuals or individuals who appear not to respond to regular CoQ10 supplementation due to poor conversion of CoQ10 in the body. This formula supplies 100 mg of CoQ10.