(NaturalNews) Coenzyme Q10 (CoQ10) is a naturally occurring oil-soluble, vitamin-like substance which is absolutely essential for optimum health and longevity. Also known as ubiquinone, CoQ10 is found in virtually every cell in the body, primarily in cellular mitochondria, and it is a vital component of the electron transport chain which generates 95 percent of the body's energy via adenosine triphosphate (ATP).