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  1. #1
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    Lutein & Zeaxanthin for health

    Just came upon these two natural elements that benefit humans that our bodies cannot produce.


    Lutein & Zeaxanthin: Natural ‘Sunscreen’ for Eyes & Skin
    Rose Holmes, Nutritional Therapist – BSc, Dip.ION, BFRP, PGCE




    I’m sure I’m not the only person who was told, as a child, that I must eat my carrots so that I would have good eyesight.

    It's true that carrots can benefit our vision. This is at least partly attributable to the beta-carotene content of carrots. Beta-carotene is a type of carotenoid—a natural fat-soluble antioxidant pigment in plants. It gives carrots their orange colour (although carrots can be purple and numerous other colours as well). It also converts to vitamin A in the body – a crucial nutrient for vision.

    But as well as beta carotene, two other carotenoids are thought to be especially important for eye health: lutein and zeaxanthin. They can also be found in yellow, orange and green vegetables and fruit. Lutein and zeaxanthin are classed as xanthophyll carotenoids: these differ from beta-carotene because they don’t convert to vitamin A in the body. Lutein and zeaxanthin can be stored in our cell membranes and are found in the blood, skin, brain, cervix, breasts and eye tissue.

    Lutein and zeaxanthin also concentrate in the macula of our eyes.
    The macula is the part of the retina responsible for central, high-resolution, colour vision—helping us see what is directly in front of us, in colour and in fine detail (for example what we need for reading). Although the body has many uses for the many different carotenoids, only these two carotenoids, lutein and zeaxanthin, deposit in large quantities in the macula.

    Yellow and orange vegetables such as corn, yellow peppers and oranges are among our best sources of natural lutein and zeaxanthin.

    Although these two carotenoids have the same chemical formula, their structures are slightly different and they perform slightly different roles. Lutein is naturally concentrated at the edges of the retina, and zeaxanthin is found primarily at the centre of the retina and gives the macular tissue in the eye its characteristic yellow colour. Lutein and zeaxanthin are thought to provide antioxidant protection for the macula against light damage, and may help reduce risk of age-related vision loss due to macular degeneration and/or cataracts.

    So how do they do this? Lutein and zeaxanthin absorb and filter short-wavelength visible light that otherwise might damage skin and eye tissue. This ability to absorb potentially harmful blue light may help to reduce oxidative stress on the retina and protect sensitive cells in the eye from damage. Lutein and zeaxanthin may thus act like a phytochemical ‘sunscreen’ or ‘sunglasses’.

    Lutein and zeaxanthin, like the related carotenoid astaxanthin, may also help protect the skin against UV radiation.

    Humans cannot make lutein or zeaxanthin, so we have to get them from our diet. Zeaxanthin-rich foods are primarily yellow/orange in colour and include corn, tangerines, oranges, orange peppers and egg yolks. Lutein is also found in corn and egg yolks, and in dark green leafy vegetables like kale, spinach and broccoli.

    So, it’s not just carrots we need for good eyesight…..we need eggs yolks and spinach too—as food-derived ‘natural sunglasses’ and ‘natural sunscreen’.

    Lutein and zeaxanthin are also available in supplement form.

    https://www.vitfinder.com/conditions...thin-sunscreen

  2. #2
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    Hypochondriacs don't live longer than normal folk.

  3. #3
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    I ate some sweetcorn and some eggs last week. How long will they keep me healthy, Dr Pizza?

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    Quote Originally Posted by Neverna View Post
    I ate some sweetcorn and some eggs last week. How long will they keep me healthy, Dr Pizza?
    Eating these foods semi-regularly will provide the above cited benefits.

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    What if I just drink my lunch today?

  6. #6
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    Having just read the thread about another death on Kho Tao, I read therapist as The rapist. I think cold pizza needs to be arrested immediately for his crimes.

  7. #7
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    Quote Originally Posted by Troy View Post
    Having just read the thread about another death on Kho Tao, I read therapist as The rapist. I think cold pizza needs to be arrested immediately for his crimes.
    Sorry I forgot to put you on the top-tier list.

    You're added.

    And this is a strange post. Very bizarre.

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