Multiple choice The oxidation of Pyruvate to acetyl co A involves TPP Lipoic acid FAD, NAD+ and co-enzyme A All Reveal answer Fill a bubble to check yourself D Correct answer Explanation The pyruvate dehydrogenase complex, which converts pyruvate to acetyl-CoA, requires TPP, lipoic acid, FAD, NAD+, and coenzyme A as essential cofactors.