Multiple choice Which vitamins are known as the antioxidant vitamins? D, E, K A, B, K A, C, D A, C, E Reveal answer Fill a bubble to check yourself D Correct answer Explanation Vitamins A (specifically beta-carotene), C, and E are primary antioxidant vitamins that protect cells from damage caused by free radicals. They work together in different cellular environments to neutralize oxidative stress.