Is it effective to buy lutein supplements?

Wang Weixiang, Henan Provincial People's Hospital

Electronic products have become a part of our lives. When using electronic products for a long time, it is inevitable that eyes are fatigue and dry.

In order to protect the eyes, many people choose to buy lutein supplements. Is it really effective?

Lutein can be obtained by diet

Lutein is a kind of natural lutein, which is widely existed in vegetables, fruits, flowers, and is an important pigment in human eye vision omentine macular areas.

Coblin gathers in high concentrations in the macular region (the most sensitive area of ​​the visual). It is the main pigment of retinal macular. It can absorb a large amount of blue light nearly ultraviolet rays and protect the retina from blue light damage.

Lutein deficiency will first cause visual damage, accelerate the process of degenerative lesions in the eye, cause visual decline, and serious lack of lutein may even cause blindness.

Increasing lutein intake has a significant prevention and improvement of elderly eye degenerative lesions, such as retinal pigmented degeneration.

Studies have shown that lutein has an important protective effect on vision during the entire life cycle, and may have biological effects on cognitive health, including antioxidant and anti -inflammatory. Among adults, higher lutein state is related to better cognitive performance, and supplementation of lutein can improve cognitive ability.

There is no lutein synthetic enzyme in the human body, so lutein can only be obtained through diet. The 2013 version of the dietary nutrient reference intake (DRIS) proposed that the specific recommendation value of lutein is 10mg/d, and the maximum intake of tolerance is 40mg/d.

It is recommended that people take lutein from natural foods. Green vegetables, especially dark green leafy vegetables such as amaranth, celery leaves, coriander, spinach, and cabbage. After the processing is cooked, the average lutein content of various vegetables and the content of β-carotene content are increasing. Therefore, intake of cooked green leafy vegetables is conducive to increasing the intake of lutein and biological utilization.

Dark green vegetables eat enough, no additional lutein is required

In the "Chinese Resident Dietary Guide (2022)", it is mentioned that it is guaranteed to consume fresh vegetables with no less than 300g of daily, and dark vegetables should account for 1/2.

If the daily green leaf vegetable intake is insufficient, it may cause the lack of lutein. If there is a clear diagnosis of eye degenerative diseases, you can try to supplement it through health care chloride supplements.

The main dosage forms of regular coblin health products supplements on the market are soft capsules and tablets. Usually lutein content is 4 ~ 5 mg/grain (tablet), and 1-2 capsules are added daily Excessive problem.

In the lutein health food formula database, the most raw materials are Yue Orange, β-carotene, and zinc glucose. Common raw material matching combinations are lutein-Yue orange-vitamin A-zinc glucose, etc., which are the main functions to alleviate visual fatigue and antioxidant.

If the healthy people perform a balanced dietary recipe daily, the amount of dark green vegetables eats enough every day, and generally does not require additional lutein. Elderly eye degenerative lesions, long -term use of computers and other electronic products, people such as visual fatigue can supplement lutein supplements in appropriate amounts to improve eye discomfort.

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