A Radical Point of View: Journey of a Free Radical in a Struggle Against Enzymes and the Body

This secondary layer consists of scavenging antioxidants- molecules or enzymes that directly neutralize radicals. These can be hydrophilic or hydrophobic, and also include non-enzymes such as uric acid and vitamins, A, C, and E. A good example of a scavenging antioxidant enzyme is superoxide dismutase, which breaks superoxide down into hydrogen peroxide and O2.