sestdiena, 2015. gada 28. marts

Healthy Saturday I Vitamin A

Vitamin A is a group of unsaturated nutritional organic compounds, that includes retinol and several carotenoids, among which beta - carotene is the most important.
Vitamin A has multiple functions:
  • It is important for growth and development, for the maintenance of the immune system and good vision.
  • Vitamin A is also needed by the retina of the eye in the form of retinal.
  • Vitamin a also functions in a very different role as retinoic, which is important hormone like growth factor for epithelial and other cells.
Vitamin A comes from animal sources, such as eggs, meat, milk, cheese, cream, liver, kidney, cod and fish oil. All of these sources that has been fortified with vitamin A are high in saturated fat and cholesterol.

If you don't get enough vitamin A, you are more likely to get infectious diseases and vision problems.
If you get too much vitamin A, you also can become sick. 

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