Science-Based Nutrition Made With Quality The Reduced Form of Coenzyme Q10 Dietary Supplement Non-GMO - Gluten Free -Soy Free Helps Support Mitochondria to Enhance Cellular Energy Production Helps Support Healthy Heart Function Ubiquinol is a Powerful Antioxidant Doctor's Best Ubiquinol with Kaneka Ubiquinol contains the reduced form of coenzyme Q10. Both ubiquinol (CoQ10-H2) and ubiquinone (CoQ10) are metabolically active. Each form has unique roles in cells relating to antioxidant actions, suporting healthy heart function and enhancing energy production. Ubiquinol helps regenerate other antioxidants, such as vitamin C and E . It may offer improved bioavailability in aging adults who may have difficulty achieving high levels of this nutrient, or those concerned with nutrient absorption.