Natrol Coenzyme Q-10 promotes Energy Production in the Heart. It also aids Cellular Energy Productionand Provides Antioxidant Support. CoEnzyme Q-10 is an essential component of our cells which promotes energy production. Numerous studies have shown CoEnzyme Q-10 plays a key role in promoting cardiovascular health. As we age, our body?s natural production of CoQ-10 slows down, making it harder to convert fats and sugars into energy. Natrol Coenzyme Q-10 is a natural antioxidant that helps cells work more efficiently in the heart and throughout the body. Natrol makes this product in the U.S.A.