The job of an antioxidant compound is to neutralize dangerous free radicals in your body. Free radicals that are formed in the fat or lipid sections of the body are handled by the fat-soluble antioxidants. Those that are formed in the watery or aqueous sections of your body are handled by the water-soluble antioxidants.*
Lutein is a naturally present substance in every person's eyes. It is classified as a carotenoid. Carotenoids are plant pigments that fall under the category of phytonutrients. They are special, complex substances that give pigment to fruits, vegetables, and plants. Lutein specifically is known to best absorb extra excess light energy to prevent plant damage from the sun.