All of the following vitamins are antioxidants, EXCEPT:: (A) Vitamin A, (B) Vitamin C, (C) Vitamin K, (D) Vitamin E
Answer is C. Remember the antioxidant vitamins by the mnemonic ACE or CEA. Note that it is the b carotene form of Vitamin A. b-carotene and vitamin E are lipid phase anti-oxidant. Vitamin C is an aqueous phase antioxidant. Extra Edge: Vitamin E is a chain breaking antioxidant.