Under normal circumstances, it is difficult to meet the daily needs of the human body simply through dietary supplements. When the content of lutein in human body is too low, lutein will be directly used for systemic metabolism and thus consumed. The powerful effect of ta itself will not be fully exerted because of too little intake. Therefore, lutein can be properly supplemented according to your own needs, which can not only ensure the nutrient loss caused by the digestive system, but also give full play to the various functions of lutein on the human body: protecting eyesight, resisting oxidation and reducing the incidence of cataract.