FloraGLO Lutein is a source of purified free lutein identical to that found in green leafy vegetables. FloraGLO Lutein is extracted from marigold flowers the most abundant source of lutein in nature. This patented process (US patents 5382714 and 5648564) ensures a standardized potent and pure end product every time. Much of the published research on lutein has used FloraGLO Lutein which has created an extensive body of literature supporting the efficacy and safety of this product in human and animal models. Additionally in vitro studies have pointed to multiple mechanisms by which FloraGLO lutein confers benefit to eye skin and general health. FloraGLO has also been used in more clinical trials than any other source of lutein ensuring that the benefits found in these trials can be attributed specifically to FloraGLO Lutein.Other products from HerbsPro