Science-Based Nutrition Dietary Supplement The Reduced Form of Coenzyme Q10 Powerful Antioxidant Action Not Suitable for Vegetarians Mitochondrial Support to Enhance Cellular Energy Production Supports Healthy Heart FunctionBest Ubiquinol featuring Kaneka QH contains the reduced form of coenzyme Q10. Both ubiquinol (CoQ10-H2) and ubiquinone (CoQ10) are metabolically active, and are interchangeable in the body according to needs. Each form has unique roles in cells including antioxidant actions, supporting healthy heart function and enhancing energy production. Oral ubiquinol may offer improved bioavailability in individuals who have difficulty achieving high levels of this nutrient, such as aging adults or those concerned with nutrient absorption.