Antioxidants can help neutralize free radicals that cause cell damage by blocking the process of oxidation. Antioxidant supplements help support healthy immune function and provide protection from free radicals. Vitamins C, E, and Beta Carotene are powerful antioxidants. The minerals Selenium, Copper, Zinc and Manganese also produce antioxidant enzymes in the body. Phytonutrients, plant compound antioxidants that protect them from oxidative damage, show tremendous value in controlling excessive oxidation and support for healthy immune function.