Generally speaking, when choosing lutein, we need to consider the functional components and the content of lutein, so as to make relevant choices and purchases. According to the general rule, the more scientific the formula, the better the lutein product. If you choose to use the new trademark-Iraqi molecular lutein, you can achieve very good results. At present, there are a lot of lutein sold in the market. Although some ingredients look similar, there are still great differences in the real formula combination, so there are also great differences in the effect. Lutein for pupil opening is the most ideal, both in composition and efficacy.