Supplement facts:   Amount per serving Blueberry       100mg Lutein          100mg Beta-carotin     20mg Zeaxanthin      20mg Blueberry Extract for Eyes tablet is rich in beta-carotene, original anthocyanin, lutein and zeaxanthin. The blueberry extract is from Europe which contains high original anthocyanin.   The original anthocyanin acts as an antioxidant which prevents our body and eyes from radiation and aging. Lutein and zeaxanthin are kinds of major Carotenoids found in human body, with a high tissue concentration in the retinal maculetea of human eyes. As we begin to age, the amount of lutein and zeaxanthin in our eyes decreases. Since our body can neither synthesize this ingredient, nor we can take sufficiently from daily diet, we need lutein and zeaxanthin supplement. This product can protect our eyesight, prevent glaucoma and cataract and pseudo-myopia and myopia, delay eyesight to fail and relieve tired eyesight of students and computer workers. 100% pure natural product without flavor, sugar, preservative and artificial color It is produced by GMP manufactory and certificated HALAL. Specification: 500mg X 60tablets Serving Size: 1 tablet each time, one time daily