Lutein is a carotenoid with reported anti-inflammatory properties. A large body of evidence shows that lutein has several beneficial effects, especially on eye health. In particular, lutein is known to improve or even prevent age-related macular disease which is the leading cause of blindness and vision impairment.
Without adequate consumption, the amount of lutein in the eye may deplete with age. Leading doctors recommend you get at least 6 mg of lutein per day to help maintain proper eye health. Since your body doesn't make lutein, you must constantly replace it through the foods you eat. Dark, leafy green vegetables like spinach or kale are especially good sources. But you'd have to eat over 2 bowls of raw spinach every day to get the recommended daily dose of 6 mg of lutein. Taking a multivitamin may help, but many multivitamins contain only a fraction of the recommended 6 mg of lutein. In fact, the leading multivitamin contains just .25 mg of lutein − a mere 4% of the recommended amount.
In the retina, these dietary carotenoids are the only ones that accumulate, especially in the macula region. Due to this, they are often referred to as macular pigments.
If the levels of these antioxidants are not sufficient over time, it is believed that it could eventually impair the health of your eyes.
Without sufficient levels of both nutrients, free radicals may essentially overpower the available antioxidants and cause damage to your eyes.
Both nutrients also work like sunscreen for your eyes. They are able to absorb excess light energy. Due to this action, they provide protective benefits against blue light, which can cause harm.
The following are other eye issues that may benefit from sufficient levels of lutein powder and zeaxanthin:
Age-related macular degeneration: These nutrients may help to reduce the risk of this condition causing blindness.
Diabetic retinopathy: The oxidative stress markers that may cause eye damage appear to be reduced due to these nutrients.
Uveitis: The inflammatory process associated with this condition may be lessened by these nutrients.
Cataracts: Cataract formation may be slowed with sufficient levels of these nutrients.
Eye detachment: Lutein and zeaxanthin may help to lessen cell death with eye detachment.
It is important to note that not all studies back up the benefits of these nutrients. Further research is being done to get a better idea of how much these carotenoids benefit eye health.
Ensure that your diet has the right mixture of foods to provide you with these nutrients. A balanced diet is important for eye health as well as overall health.
Lutein is stored in the retinas and in other parts of the body. As a fat-soluble nutrient, lutein tends to build up and stay in your tissues for quite some time.
A dose of lutein 5 mg/day is widely used. AMD trials have used lutein 10 to 20 mg/day for 3 to 6 months or longer.
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