Vitamin-B12 is involved in formation of coenzyme_____________ HomeVitamins MCQsVitamin-B12 is involved in formation of coenzyme_____________Q. Vitamin-B12 is involved in formation of coenzyme_____________A. NAD, NADPB. FMN, FADC. NAD, FADD. NADP, FMNAnswer: FMN, FAD