Complete high potency antioxidant complex with mixed natural carotenoidsOxyGuard?s formula includes natural-source beta carotene, alpha carotene, lutein, lycopene and other carotenoids balanced much as they occur in a diet of natural foods.The carotenoids beta carotene and lycopene have a spectrum of antioxidant activity, such as protecting against singlet oxygen, one of the most destructive types