Did you know Vitamin A was given the first letter of the alphabet because it was the first vitamin to be discovered?
Vitamin A benefits our body in many ways:
- keeps eyes healthy,
- helps cell growth
- helps boost the immune system.
- maintains bone health
- fights infections
- helps maintain healthy tissues
Vitamin A is not only absorbed directly but it is also created by the body by converting beta carotene into vitamin A.
Sources of Vitamin A are: eggs, milk, liver and meat. Beta carotene that the body can convert into vitamin A is found in many fruits and vegetables, especially the red, orange and green coloured ones.
What you really need to know
Consuming too much pure vitamin A can be toxic. Do not exceed the recommended daily allowance for vitamin A. The actual recommended allowance of vitamin A varies depending on a person’s age, sex and other factors. While exceeding the recommended daily allowance is toxic, there is a far higher limit to how much beta carotene can be consumed. So concentrate on getting the greatest amount of beta carotene which the body can then convert to vitamin A, rather than consuming vast quantities of pure vitamin A rich foods.
You must have been told several times that eating lots of carrots helps you to see in the dark. This is thanks to the Vitamin A that is produced from the high levels of beta carotene found in the vegetables.
Other foods which have high levels of beta carotene that can be converted to vitamin A include tomatoes and dark green leafy vegetables, such as spinach. Beta carotene is not only used to form vitamin A, but it is also a powerful antioxidant in itself. None of the beta carotene that is absorbed is wasted as any excess after conversion to vitamin A has taken place is used to fight the harmful free radicals within the body.
Vitamin A also helps fight infections and illnesses by helping tissues that line various parts of the body, including the eyes, mouth, nose, throat and lungs, to grow and also to repair them if they are damaged to prevent infection. Children also need plenty of vitamin A to help their bones and teeth to develop properly.
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