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How important is Vitamin A for your eyes ?

Writer: Nugen ResearchNugen Research

Updated: Jun 30, 2020

You may have heard from your grandma that eating carrots can improve you vision. That may not be exactly true, but carrots do contain something called provitamin A carotenoids. These are pigments in some plants that can be converted by the body into vitamin A, and vitamin A is important to your vision.




Vitamin A is also helpful to bone growth and your immune system. As with other vitamins, there are different forms of vitamin A. One of the forms that is most usable to the body is called retinol, and it can be found in liver, eggs, and milk. One of the most common provitamin A carotenoids that the body converts easily to retinol is beta carotene, and it is found in carrots, sweet potatoes, spinach, and cantaloupe. Vitamin A is also one of the vitamins often used to fortify breakfast cereals.

True deficiency of vitamin A is rare in the US, but common in countries where malnourishment is widespread. As mentioned earlier, vitamin A is important to the immune system and vision. This is because the body uses vitamin A to make various internal tissues, such as those lining the eye, lungs, and intestinal tract. When these linings are weakened by vitamin A deficiency, it is easier for harmful bacteria to penetrate them and thus, people with vitamin A deficiency are more prone to infections, illness, blindness, and respiratory problems.

Aside from the malnourished, other people who may be prone to vitamin A deficiency include those who consume large amounts of alcohol and those with certain metabolic disorders that affect how fat and other nutrients are absorbed by the body.

Some recent and ongoing studies involving vitamin A and beta carotene include investigations as to whether high amounts of vitamin A contribute to osteoporosis, and whether beta carotene can lower the risk of some forms of cancer.



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