CoQ10 (Coenzyme Q10) is similar to a vitamin and is found in every cell of the body. Your body makes CoQ10, and your cells use it to produce energy your body needs for cell growth and maintenance. CoQ10 is sometimes described as your cells' spark plug.

CoQ10 also functions as an antioxidant, which protects the body from damage caused by harmful free radicals.
The most uses for CoQ10 is to support a healthy heart, al lesser so to support muscular dystrophy, and periodontal disease. Sometimes CoQ10 is also said to boost energy and speed recovery from exercise, whilst some people take it to help reduce the effects certain medicines can have on the heart, muscles, and other organs.