CoQ10 is a coenzyme found in all human cells. CoQ10 plays a vital role in supporting cellular energy production and has antioxidant properties. It has been studied for the role it plays in helping to support heart function. CoQ10 may be important for people taking cholesterol-lowering statin drugs because statin drugs can reduce CoQ10 levels in the body.Trunature CoQ10 100mg Coenzyme Q-10 Heart Antioxidant 220 Softgels.