Various nutrients over lutein and zeaxanthin
Today, more and more people choose to take supplements with an expectation to keep healthy. And eye health is one of the most important considerations, especially among the elderly group. Maintaining physical health of the eye is the ultimate source of gaining good eyesight. Composed of a couple of delicate parts, the eye can actually benefit from a wide variety of nutrients. This article lists especially lutein, zeaxanthin as well as some other subordinate ones.
The function and dosage of lutein and zeaxanthin
In the recent years, lutein and zeaxanthin supplements have been widely recommended by lots of eye doctors and nutritionists. These supplements are believed to be helpful in fighting against age-related macular degeneration. On the market, there are quite a huge variety of lutein and zeaxanthin supplement products in different brands. In most cases, the recommended dose for is 50mg for lutein and 100mg for zeaxanthin every day.
Some other carotenoids and vitamins also contribute to eye health
New researches have showed that lutein and zeaxanthin supplements are not enough. Other nutrients such as some carotenoids and vitamins are also needed. Lutein and zeaxanthin are only two of the beneficial carotenoids. In similar, other ingredients should also be taken in appropriate dosage. These instructions are usually included in the tablet. The following is a list of some popular nutrients.
Beta-carotene and lycopene
Proper level of beta-carotene is essential to maintain eye health. Deficiency of this ingredient can cause night blindness and severe deficiency of this substance may lead to permanent blindness. As an indispensible antioxidant, lycopene can prevent UV rays and blue light from damaging the inside of the eyes. These two nutrients should be included.
Multi-nutritional products are more comprehensive
There are currently some other products that provide all beneficial carotenoids, rather than only a few of them. Some extreme products even offer more than 70 different nutrients. These multi-nutritional products may be more expensive than those single-nutritional ones. But they can reduce the total cost if one consumes several products at the same time in order to get different ingredients.
What nutrients are included in multi-nutritional products?
Beneficial nutrients in multi-nutritional products include basic vitamins and minerals. Vitamins A, C, D and E are contained. In addition, some rarely seen nutrients such as catechins and curcumin are offered by potent products. Catechins can be found in green tea and curcumin in turmeric.
Single-nutritional lutein and zeaxanthin supplements fight against cancer
Although lutein and zeaxanthin supplements are not enough for eye health, they have also been investigated to treat or prevent cancer due to their antioxidant activity. This study field also encourages ordinary people to take overall antioxidants.
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