Vitamin, types, and functions


Vitains are important group of nutrients that play dominant role in our diet. Vitamins are needed in less amount as compared with amounts than lipids, protein and carbohydrates. The function of Vitamins is to metabolize and modify the major nutrients. There are two types of Vitamins (i) Water Soluble (ii) Fat Soluble. 

(i) Water Soluble Vitamins: 

There are many water-soluble vitamins, including vitamin C (ascorbic acid) and B group Vitamins, Water Soluble vitamins donot store in the body and the extra amount ot Water Soluble excret in urine except vitamins that store in liver is B12.

There source of Vitamin C is citrus fruits and B12 is found in meat only. Other types of vitamins can be found in different vegetables and fruit. 

The Deficiency of folic acid placenta during the pregnancy and can be fulfilled by consuming supplements of vitamins.

(ii) Fat Soluble Vitamins:

Fat Soluble Vitamins are stored in the body and may reach toxic levels if a person consume too much of them. Fat Soluble Vitamins are absorbed like other fats in the body. Fat Soluble Vitamins are further divided into four types. Vitamin A, Vitamin D , Vitamin E, and Vitamin K.

Vitamin A: Vitamin A is the moisturizing nutrient that keeps your skin and mucous membranes smooth and flexible. Vitamin A is also the essential for visionn and is a component of 11-cis retinol, a protein in the cells in the back of eyes that enable you to see in dim light. Vitamin A prevents progressive damage to the retina of the eye as a result the loss of central vision can occur. Finally, vitamin A develop the growth of healthy bones and teeth, keeps your reproductive system humming, and strengthen your immune system to fight infections.

Vitamin D: Vitamin D is produce in the skin due to expoture to Ultravoile light from the sun. vitamin D is an important nutrient for proper growth of bones.

Vitamin E: Vitamin E keeps vitamin A from being destroyed in your intestines. Every animal including humans requires vitamin E to maintain a healthy reproductive system,muscles, and nerves. The mains source os vitamin E are two families of naturally occurring chemicals in vegetable oils i.e tocopherols and tocotrienols. Other sources includes: nuts, grains, and green leafy vegetables.

Vitamin K: Vitamin K is responsible for the process of blood clotting. Vitamin K decreases the blood clotting factors from the liver as result lower tendency to clot and helps prevent a second heart attack. Vitamin K is found in several leafy vegetables, and it is generated by the bacteria that inhabit the intestines. For complete detail refer to the above table.

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