NUTRITION

Definition of Vitamin || Vitamin A || Deficiency of Vitamin || Nutrition

In this video I discuss Vitamin A. Some of its functions in the body, foods rich in Vitamin A, some of the effects of deficiency and daily recommendations.

Vitamins are chemical compounds which carries out certain biological functions and maintain growth. Vitamins are generally consumed with regular foods and sometimes from supplements. They are an integral part of the regular diet and is essential for proper functioning of our bodies. Deficiency of the vitamins can cause several diseases like night blindness, dwarfism, etc.

Types of Vitamins;
There are 13 different types of Vitamins which include Vitamin A, Vitamin B1, Vitamin B2, Vitamin B3, Vitamin B5, Vitamin B6, Vitamin B7, Vitamin B9, Vitamin B12, Vitamin C, Vitamin D, Vitamin E, and Vitamin K.
Vitamin A is a fat soluble vitamin that can be found in food in two forms; as retinol (animal based foods) or carotenes (plant based foods). Vitamin A is important for growth, vision, and development. Vitamin A is also important for the maintenance of bones, immune function, and reproduction.

The most common concern with Vitamin A deficiency is blindness. Excess consumption on the other hand can lead to headaches, nausea, dry and cracked skin, and liver disease.

Vitamin A can be found in meat and dairy products and in yellow or orange fruits and green leafy vegetables. Research suggests that vitamin A in fruits and vegetables may not be absorbed like the vitamin A found in animal based foods.

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