delivers 20mg high-strength lutein & 1000µg zeaxanthin, with plant extracts from bilberry, blackberry, & grapeseed, small, easy-to-swallow, vegan-friendly tablets eyewise® original combines the properties of lutein & zeaxanthin with zinc, vitamin b 2 (riboflavin), & plant extracts from bilberry, blackberry, & grapeseed in a unique, high-performance formula. an important carotenoid, lutein is naturally found in leafy green vegetables, where it protects the plants from excessive sun damage. in a similar way, the body deposits lutein in the macular of the eye. research now suggests diets low in lutein may lead to diminished levels in the macular.our formula delivers 20mg of pure lutein, making eyewise® original some of the strongest lutein tablets available in the uk. lutein works synergistically with zeaxanthin, another carotenoid, which we've included at 1000µg. like lutein, zeaxanthin is highly concentrated in the macular of the eye where it plays a critical role in protecting the eyes from light-induced damage. to lutein & zeaxanthin, we've added safe but nutritionally relevant levels of zinc & vitamin b 2, both of which contribute to the maintenance of normal vision & the protection of cells from oxidative stress. eyewise® original also contains the well-known plant compounds provided by bilberry, blackberry, & grapeseed extracts. we've chosen to formulate eyewise® original as tablets instead of capsules. tablets can accommodate highly concentrated amounts of premium-grade lutein & zeaxanthin, zinc, vitamin b 2, & other plant compounds. to meet our strict quality standards, we manufacture & package eyewise® original in uk factories working to good manufacturing practice (gmp). want to learn more about our lutein & zeaxanthin tablets? why not have a chat with one of our expert nutrition advisors//aadvice//class=f-brand!important? with a wealth of experience between them, they're always happy to offer free, confidential advice. alternatively, head to our dedicated health blog to discover more ways to support your health. what do zinc & vitamin b 2 contribute to?zinc contributes to the maintenance of normal vision, the protection of cells from oxidative stress, & the normal function of the immune system. this mineral also contributes to normal skin, nails, & hair. vitamin b 2, meanwhile, contributes to the maintenance of normal vision, the protection of cells from oxidative stress, & the maintenance of normal mucous membranes. this vitamin also contributes to the normal functioning of the nervous system.