The best time to take lutein is after a meal. Lutein is a fat-soluble vitamin, generally no significant stimulation of the gastrointestinal tract, taken after meals is more conducive to the absorption of lutein. In taking lutein at the same time, you can eat some carotene-rich foods, such as carrots, etc., but also with coarse fiber foods, such as celery, enoki mushrooms and animal liver, etc., more conducive to the absorption of lutein. Lutein belongs to the antioxidant is mainly to prevent cardiovascular sclerosis, resist free radicals for cell and tissue damage, absorb blue light, protect the eyes, promote the development of the retina of children and other roles. It should be noted that, lutein overdose may cause damage to the liver, so the use of lutein and the use of dosage should be under the guidance of a professional doctor to choose reasonably, do not blindly use drugs.