992-78-9 UBIQUINOL

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https://leadingchemical.lookchem.com/?utm_source=g 

"Coenzyme Q10 exists in both ubiquinol and ubiquinone forms, but they have vastly different roles to play in the body.

For instance, ubiquinol is an electron donor, while ubiquinone is an electron acceptor. Ubiquinol (CoQH2)is a reduced form of coenzyme Q10 (CoQ10) that acts as an active antioxidant that prevents the initiation and propagation of lipid peroxidation in biological membranes and human low-density lipoprotein (LDL).

Ubiquinol is the active structure and present as the predominant form in human, e.g. 98% of the total amount of Coenzyme Q in serum exists as Ubiquinol."

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