Coenzyme Q10 is a vitamin-like substance found in the body, but especially in the heart, liver, kidney and pancreas. It is found in small amounts in meat and seafood. Coenzyme Q10 can also be made in the laboratory.

Coenzyme Q10 is used for heart failure and conditions that affect the heart, such as fluid buildup in the body (congestive heart failure or CHF), chest pain (angina), and high blood pressure. It is also used to prevent migraine headache, Parkinson's disease and many other conditions.

Coenzyme Q10 is an essential vitamin-like substance required for the proper functioning of many organs and chemical reactions in the body. It helps provide energy to cells. Coenzyme Q10 also has antioxidant activity. Coenzyme Q10 levels may be low in people with certain diseases such as heart failure, high blood pressure, gum disease, Parkinson's disease, blood infections, certain diseases of the muscles, and HIV infection.