Ubiquinone (oxidized form)

Ubiquinone (oxidized form) is a tier 2 form of Coenzyme Q10, used in 3,170 on-market products .

Why this tier: Standard/most common commercial form but achieves lower plasma AUC than ubiquinol at equal dose, particularly as ubiquinone-to-ubiquinol conversion efficiency declines with age.

Source: Langsjoen PH, Langsjoen AM. 2014, Clin Pharmacol Drug Dev 3(1):13-17, PMID 27128225

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