Anthocyanins, flavonoids and other components contained in blueberries have good antioxidant and blood circulation promoting effects. Eating blueberries regularly can make skin elastic and promote skin firmness. Make the skin glossy and smooth, and prevent and reduce the premature appearance of skin diseases and wrinkles. Blueberries can even fade scars, remove pigment spots and achieve the effect of whitening and rejuvenating skin.

Anthocyanins in blueberries can enter cells, protect cell membranes from free radical oxidation, and have strong antioxidant and antiallergic effects. Anthocyanins in blueberries can also penetrate the blood-brain barrier, so that the brain nerve is not oxidized, which can make the brain tissue function more stable, increase the oxygen content of the human body and improve the quality of sleep.

The effects and functions of blueberries also include improving eyesight and relieving fatigue. Anthocyanins in blueberries can promote the regeneration of rhodopsin in retinal cells, thus preventing severe myopia and retinal detachment. Anthocyanins in blueberries can also improve people's symptoms such as dry eye, dry eye, tears in the wind and presbyopia. It has therapeutic effect on early cataract, night blindness and retinopathy.