Vitamin E is a fat-soluble vitamin that plays an important role as an antioxidant in the body. Vitamin E neutralizes harmful free radicals. Coenzyme Q10 regenerates Vitamin E after the vitamin E has neutralized free radicals.... Read more about this term is a fat-soluble vitamin that plays an important role as an Antioxidants are substances that protect the cells and lipoproteins against the harmful effects of free radicals. They are substances that prevent the oxidation of other molecules and compounds. There are two broad categories of antioxidants: enzymatic and non-enzymatic. Non-enzymatic antioxidants are substances like Coenzyme Q10, vitamin C, vitamin E, glutathione, and various carotenoids. Prominent enzymatic antioxidants include catalase, glutathione peroxidase,... Read more about this term in the body. Vitamin E neutralizes harmful Free radicals are unstable and highly reactive molecules that are produced in the body during normal oxygen metabolism. Free radicals derived from oxygen are known as reactive oxygen species. Free radicals play both helpful and harmful roles in the body. Free radicals steal electrons from other substances in order to become stable. In so doing, the free radicals oxidize those... Read more about this term. Coenzyme Q10 molecules are fat-soluble molecules that are both bsynthesized in the body and ingested in the diet and in supplements. Coenzyme Q10 is synthesized in the body in the same biological pathway as cholesterol. Bio-synthesis of Coenzyme Q10 begins to decline once humans reach their adult years. The reduced production of Coenzyme Q10 cannot be compensated in any practical... Read more about this term regenerates Vitamin E after the vitamin E has neutralized free radicals.