Dietary Supplement A Natural Biochemical for Cellular Energy Production in the Heart* CoEnzyme Q10 is a powerful antioxidant that is a necessary nutrient for cell function in the body and has been shown to promote cardiovascular health.* Taking higher dosages of CoEnzyme Q10 has been the subject of recent studies in its relationship with neurological health. 21st Century s CoEnzyme Q10 400mg is a convenient higher-dosage formula for your good health. ; *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.