Is the blueberry lutein ester bought online for 6 yuan genuine?

The lutein ester of blueberry bought for 6 yuan online is not genuine. Authentic blueberry lutein esters are all between 70 yuan-150 yuan, so it is impossible to buy them in 6 yuan, so the online shopping of blueberry lutein esters in 6 yuan is not authentic. Blueberry lutein ester has the functions of filtering blue light and resisting oxidation, which plays a good nutritional role in the growth and development of eyes, and can also prevent the ultraviolet and blue light radiation of electronic products from harming eyes, thus protecting eyes.