Coenzyme Q10 is an important vitamin-like substance required for the proper function of many organs and chemical reactions in the body. It helps provide energy to cells. Coenzyme Q10 also seems to have antioxidant activity. People with certain diseases, such as heart failure, high blood pressure, gum disease, Parkinson disease, blood infections, certain diseases of the muscles, and HIV infection, might have lower levels of coenzyme Q10.
COQ10 improves immune function and helps with sperm mobility and migraine.