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