Vitamin A
Alternate Names : Retinol, Retinal, Retinoic Acid, Carotenoids Including Beta-Carotene
What food source is the nutrient found in?
Vitamin A can come from animal sources such as:
eggs
fortified milk
liver
oils of some fish
This form of Vitamin A is called retinal or retinol.
Vitamin A is also found in plants. This form is called carotenoids.
Substances such as beta-carotene are converted from carotenoids
into vitamin A in the body. Beta-carotene is one of the most common
carotenoids. Carotenoids are pigments found in deep orange, red, and
yellow fruits and vegetables. They are also found in many dark-green
leafy vegetables, such as:
carrots
pumpkin and other squashes
sweet potatoes
cantaloupe
broccoli
spinach
How does the nutrient affect the body?
Vitamin A helps develop and maintain healthy growth in the cells and
almost all the parts of the body. It is especially key for proper night
vision, but is also needed for the health of a person's:
teeth
skeletal and soft tissue
skin
mucous membranes
Vitamin A plays a key role in the immune system by
helping protect from infections. Beta-carotene is an antioxidant. It
has been studied for its role in cancer and heart disease protection.
Antioxidants help fight free radicals. Free radicals are oxygen by-products
produced when body cells burn oxygen. A build up of free radicals
can damage body cells and tissues.
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