Super Lutein's lutein is Sourced from marigold flowers and purified from marigold flower oleoresin. This lutein has earned patent protection in various countries. It does have the highest degree of purity in the world and its efficacy is two times better than others lutein. FloraGLO® lutein is the patent named of it.
Japanese Patent: 2,790,212
Australia Patent: 700,719
14 national monopoly European Union Patent: 0672655