Anti-oxidants

any of various substances (as beta-carotene, vitamin C, and alpha-tocopherol) that inhibit oxidation or reactions promoted by oxygen and peroxides and that include many held to protect the living body from the deleterious effects of free radicals.

Examples of antioxidants that come from outside the body include:

• vitamin A
• vitamin C
• vitamin E
• beta-carotene
• lycopene
• lutein
• selenium
• manganese
• zeaxanthin