Royal green astaxanthin 60 gelcaps royal green astaxanthin is one of the most powerful antioxidants available it helps protect against free radicals supports immunity and the condition of your joints skin and circulation royal green astaxanthin is also great for your skin helping reduce imperfections royal green astaxanthin is grown in a clean environment in hawaii and is 100 vegetable based astaxanthin belongs to the carotenoid family and is one of the most powerful antioxidants availab