, highest strength pure lutein 20mg, the same amount of lutein/tablet as found in 28oz of broccoli, one of the uk’s top supplements for eyes, recognised for its potency & priceeyewise® is one of the uk’s strongest lutein supplements as few products contain as much lutein as eyewise®. however some companies overstate the level of lutein in their product by a factor of two by claiming the weight of the lutein compound rather than the straight lutein.lutein is a type of carotenoid that is naturally found in leafy green vegetables where it plays a protective role for the plant protecting it from excessive sun damage. amazingly our bodies use lutein in a similar way depositing it in the macular of the eye where it helps to protect the delicate light receptor cells from damage by filtering out certain harmful wavelengths. extensive research has shown that eating diets that are low in lutein can result in diminished levels of lutein in the macular. so this is another good reason to eat your greens! & if you want to be sure you're getting enough lutein you can take it as a supplement.