Vitamin A

Vitamin A is one of the Vitamins which are soluble in fats. It is mostly responsible to take part in the metabolism of soft and mucous tissues, bone, teeth, eye pigments It is stored in the liver and the source the body obtains Vitamin A is food.Two types of vitamin A are ingested in food. Vitamin A, known as retinol, is found in animals such as chicken, meat, fish, and their products. The other form is called carotenoids (called provitamin because it is not yet in the form of vitamin And are obtained from vegetables. Carotenoids and converted into active vitamin A after the ingestion. Although there are many carotene structures, the most common is Beta-Carotene. Vitamin A is also an antioxidant which it protects the body from free radical damage.
Interpretation:Vitamin A deficiency may cause immune system disorders, bone and teeth sensitivity, dry eyes, night blindness, dry skin, dizziness and loss of appetite. Since Vitamin A is stored in adipose tissue, its excess may be toxic l. When several hundred thousand units are taken as oral preparations as a supplement, it may be toxic. Although large amounts of beta carotene as a provitamin is not very harmful (water soluble and excreted through kidneys before becoming Vitamin A molecule which is not soluble in water) it may give orange colour to the skin. Carotene is found in carrot, spinach, black cabbage, red pepper, parsley, Brussels sprouts, oranges.
Sample: Arm venous blood. Nonfasting
Working day: Monday
Result Time: Next day at 6 PM