Dietary Supplement. CoQ-10 has been clinically shown to promote a healthy heart. Natrol CoQ-10 is a natural antioxidant essential for cells to work efficiently in the heart and throughout the body. CoQ-10 levels in the human body decrease with age, making it harder to convert fats and sugars into energy. CoQ-10 can be used as part of a daily regimen for heart health. No yeast, wheat, corn, milk, egg, soy, glutens, artificial colors or flavors, added sugar, starch or preservatives. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.)