Botanical Source:Calendula officinalis Other names:Target Erecta,Pot Marigold, Mary Gowles, Golds. Contrary to previous findings, insignificant levels (<0.3%) of lutein oxidation products were detected in the saponified extract. This compositional determination is important for the application of marigold extract in nutritional supplements and increases its value as a poultry fee colorant because it contains more biologically useful lutein compounds than previously believed. Lutein Prevents clogged arteries:Lutein as inhibitor of blood-vessel clogging Lutein Delays lung aging:how lutein protect lung and lutein as lung enhancer. Lutein Combats arthritis:Lutein as inhibitor of arthritis Nutrition for the Eyes:Lutein as AMD inhibitor,Cataract inhibitor,and eyes benefitor. Specification: 5-20% Lutein