Cardiovascular Health Supports Healthy Heart Muscle* with Hawthorn Berry Vegetarian Formula Coenzyme Q10 is a vitamin-like compound also called ubiquinone.; It is an essential component of cells and is necessary for mitochondrial energy production.; Years of research has shown that CoQ10 supports healthy cardiovascular and immune system functions in addition to its vital role in energy production.* Read more about Coenzyme Q-10 Related Products Product FAQ"s More about Cardiovascular Health from Your Health Professor