Nature39s plus presents unrivaled nutritional support for healthy eye function maximum strength ultra lutein in ultra lutein active ingredients lutein and zeaxanthin combine to form an antioxidant powerhouse that helps to reinforce ocular well beingultra lutein39s floraglo brand of lutein is an active carotenoid derived from concentrated marigold flower extract formulated with an exclusive patented purifying process while lutein is found in many common foods most adults may not get