A synthetic variant of coenzyme Q10 that is claimed to be similar in structure. It is said to perform the same life essential functions as Q10 without the risk of an auto-oxidation reaction (under low oxygen conditions Q10 auto-oxidises, rapidly producing free radicals which damage the tissues of the body). Is also said to be more effective than Q10 in neutralising some types of free radicals. Used in anti-ageing creams, there is no data comparing its efficacy over Q10 with regards to topical application. See Coenzyme Q10.

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