VISION HEALTH : Lutein , a vitamin found naturally in broccoli , kale , and egg yolks , is a powerful supplement for eye health : it can slow macular degeneration , protect the eyes against harmful light , and offer protection against other age - related eye diseases . EXTRA EYE PROTECTION : Alpine Nutrition's Lutein capsules are specially formulated with Zeaxanthin -- when combined with lutein, carotenoid zeaxanthin acts as a filter against harmful UV and blue screen light , preventing oxidative damage to the eyes . HELPS PREVENT SCREEN FATIGUE : Lutein and zeaxantin provide a natural way to block the harmful blue light emitted from many of todays technological devices and . Shield your eyes from fatigue ! HIGHEST QUALITY INGREDIENTS : Just as there are four growth stages for the powerful alpine evergreen , Alpine Nutrition applies four stages to our manufacturing process : seek and source highest quality raw ingredients , test each material for identity and purity , produce supplements in GMP facilities , test final product for purity . GMP CERTIFIED AND THIRD-PARTY TESTED: Our facilities are good manufacturing practices (GMP) certified , and our supplement formulas are always third-party tested , to ensure the highest quality product . All of our vitamins are manufactured and bottled in the United States. ** This product is manufactured and packaged in a facility which may also process milk , soy , wheat , egg , peanuts , tree nuts , fish and crustacean shellfish .