... Yellow fine powder Standard,USP29. Product :Lutein , marigold extract , lutein powderDescription of Product Lutein is obtained from refined marigold oleoresin, ... strong Coloring, anti-oxidation, safety and so on.Lutein is the only carotenoids found in retina eye and ... prevent Visual degradation and? blind caused by loss of lutein vision,and Cardiovascular sclerosis, coronary heart disease and cancer ...