Health Thru Nutrition, Lutein With Zeaxanthin, 180 SoftgelProduct Description Health thru nutritions lutein formula is designed to promote healthy vision with its powerful blend of lutein and zeaxanthin. These essential carotenoids are concentrated in the macula of the eye, where they help protect against blue light and oxidative stress. Lutepro delivers lutein and zeaxanthin softgel in nature identical 5: 1 ratio derived from marigold flowers. The trans lutein in lutepro is the most bioavailable form,