Vitamin which is not required in the TCA cycle?

Vitamins, in the form of their respective coenzymes, are required for proper functioning of the TCA cycle. vitamins needed in the TCA cycle are: Thiamine as TPP Riboflavin as FAD and FMN Niacin as NAD and NADH Pantothenic acid as a pa of Coenzyme A Reference: Harpers illustrated biochemistry 30th edition