Everything about Vitamin A -

Vitamin A – is a group of compounds that play an important role in :-

1. Vision

2. bone growth

3. reproduction

4. cell division

5. cell differentiation (in which a cell becomes part of the brain, muscle, lungs, blood, or other specialized tissue).

Vitamin A helps regulate the immune system, which helps prevent or fight off infections by making white blood cells that destroy harmful bacteria and viruses.

Vitamin A also may help lymphocytes (a type of white blood cell) fight infections more effectively.

SOURCES OF VITAMIN A -

Vitamin A found in foods that come from animals such as sheep liver, egg yolk, whole milk, butter, ghee is called preformed vitamin A. It is absorbed in the form of retinol, one of the most usable (active) forms of vitamin A.

Vegetables like turnip greens, drumsticks, beet, carrots and spinach contains lot of carotene. It is called pro vitamin A carotene. They can be made into retinol in the body.

The absorption of Vitamin A is poor in case of diarrhea, jaundice, and abdominal disorders.