Astaxanthin is one of the most powerful natural antioxidants available more powerful even than vitamin e beta carotene or lutein 160 like lutein and zeaxanthin but unlike other carotenoids astaxanthin can enter the eye where it provides antioxidant support to the retina and supports sharp vision astaxanthin may help maintain a healthy cardiovascular system by supporting healthy cholesterol levels and low c reactive protein levels 160 it helps protect dna against free radicals