Clinically Proven for Healthy Vision* Clinical studies indicate that Lutin is beneficial in maintaining Eye Health & Healthy Vision. Lutein helps maintain macular pigment density which is essential for optimal vision. Nature Made s Lutein source is the only free lutein ingredient that has been shown through published studies to increase macular pigment optical density.* No artificial flavors No preservatives No chemical solvents, yeast, starch or gluten NatureMade.com *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.