A compound that neutralizes free radicals in the body. Antioxidants prevent or reduce damage to cells and cellular components such as DNA. In so doing, antioxidants may prevent disease and prolong life. Many vitamins and plant-based compounds are antioxidants, including vitamins C and E, selenium, and carotenoid compounds, such as beta-carotene, lycopene, lutein, and zeaxanthin.

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