Eyewise® provides a full 20mg of lutein (pure, free-form) per tablet, making our product one of the strongest available. It also provides bilberry, blackberry and grapeseed, all well known plant polyphenols, as concentrated extracts. Plus the mineral zinc and the B vitamin riboflavin, both of which are known to contribute to the maintenance of normal vision and to the protection of cells from oxidative stress. Daily intake : 1 tablet daily. Eyewise also provides bilberry, grapeseed and blackberry (as concentrated extracts), since they all have potent antioxidant properties and are renowned for eye health. DirectionsTake 1 tablet daily with a meal. If necessary, a second tablet can be taken with a subsequent meal.Warnings:This product is not recommended for pregnant or lactating women.