Vitamin A is an essential vitamin that the body needs to function properly. It is found exclusively in animal products as retinol and retinyl esters however beta carotene can be found in fruits and vegetables which the body can easily make into vitamin A.
1. Eye Health
A 2014 meta-analysis found that vitamin A and beta carotene supplementation may help reduce the risk of developing cataracts also known as clouding of the eyes.1
Vitamin A may help improve eye health.
2. Powerful Antioxidant
Antioxidants help combat damaging reactive oxygen species that can cause inflammation by increasing oxidative stress.
Beta carotene acts as an antioxidant in the body and can help reduce oxidative stress.4 Furthermore, when people are put on a beta carotene deficient diet researchers have shown that oxidative stress increases and the action of powerful antioxidants the body makes like superoxide dismutase decreases.5
Vitamin A may help decrease oxidative stress in the body.
3. Skin Health
Researchers in a different study found that beta carotene supplementation may help protect against sunburns.7
In a 2010 randomized trial involving 30 women over 50 years old, researchers found that beta carotene supplementation helped to not only prevent skin aging from UV light but repair it as well.8
Vitamin A may help protect the skin from UV damage.
4. Brain Health
A study involving 5,956 participants over 65 years old found that long term supplementation of beta carotene may provide cognitive benefits.9
In addition low dietary intake of beta carotene may be a risk factor for Alzheimer's disease.10
Beta carotene may help improve cognitive ability and reduce the risk of Alzheimer's disease.
5. Thyroid Health
Normal thyroid hormone levels are required for maintaining a healthy weight and metabolism.
Vitamin A deficiency has been shown to lower levels of thyroid hormone.11
Researchers in a 2012 study on 84 women found that vitamin A supplementation might reduce the risk of hypothyroidism.12
Beta carotene may help increase thyroid hormone production and prevent hypothyroidism.
Vitamin A is an important vitamin that may help improve eye, skin, brain and thyroid health.*
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