It's true. Renhe blueberry lutein ester tablet candy can supplement vitamin C needed by human body. Blueberries have antioxidant, eyesight improving and immunity enhancing effects. Lutein ester is an important fatty acid ester, which has the functions of filtering blue light and antioxidation, and can prevent eye damage caused by blue light and ultraviolet light of mobile phones. Under the combined action of the two components, it can effectively protect eye health.