Vitamin and Mineral Database

Vitamin A

Main functions

Vitamin A is necessary for the function of light-sensitive nerve cells (photoreceptors) in the eye’s retina.Therefore Vitamin A is essential normal and night vision.  It also helps keep the skin and the lining of the lungs, intestine, and urinary tract healthy and is essential for immune function, carotenoids, such as beta-carotene, are pigments in vegetables that give them their yellow, orange or red color.


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