Lutein is a carotenoid found in plants and has strong antioxidant effects, while lutein is also effective in protecting eyesight, relieving visual fatigue and enhancing vision. It is mainly used as an aid in the treatment and prevention of macular degeneration and cataracts in the eyes. If lutein is overdosed, it will have certain effects on the body. The most common harm is the yellow color of the skin, as well as itching of the skin and eyes in different joint areas, and then symptoms such as flushing, increased heart rate, dizziness, headache, nausea, panic attacks, and a slight numbness in the forehead and face.