The vitamin group is exclusively known for its important functions that it incorporates in the human body. Vitamins are required for the appropriate growth of a body, in a minute amount. The important fact to know about vitamins is that they should be taken in the recommended quantity only as the excessive vitamin intake can harm the body. Vitamin K is a significant member of the vitamin family and it plays an important role to coagulate the blood during the time of bleeding in case of injury.

Structure of vitamin K

Vitamin K, one of the fat soluble vitamins is required to modify particular proteins post transitionally to meet the demand of blood coagulation. It also participates in the metabolic pathways of the body. Generally, vitamin K is mentioned in the process of blood coagulation where it bounds with the prothrombin protein to   convert it into thrombin, the important agent that carries out the pathway of blood coagulation. Out of the three fundamental forms of this dietary supplement, vitamin K1, K2 and K3; vitamin K1 and K2 are thought to be functioning as two vitamers, vitamin K1 and K2.

Vitamin K1 and vitamin K2 are called as phyllaquinone and menaquinone, respectively and found in green and leafy vegetables.  Both of these quinine derivatives combine together to form vitamin K.

Sources of Vitamin K

Although, the natural fresh stuff such as the green vegetables and fresh fruits are known to offer all types of vitamins in the body in an adequate amount; still there are some specific sources to fulfill the demand of the body to supply this vitamin. The primary sources of vitamin K are leafy vegetables, cauliflower and liver etc. The primary source of the vitamin resides in intestine of the body where certain bacteria form vitamin K and it is then absorbed by the intestinal lymph and supplied to the parts of the body where it is required.

Features and benefits of vitamin K

  • Vitamin K is the fat soluble dietary supplement and it works specially to avoid excessive bleeding from the body during the condition of wound and injury.
  • Vitamin K antagonists are used to prepare rodenticide where the concept lies upon the induction of the deficiency of this vitamin in the body of a rodent so that it would be killed due to excessive bleeding. 
  • The deficiency of this vitamin in the body can give rise to the liver disease as it is important for the absorption of bile acids by the small intestine. As many of the diseases related with the process of blood clotting deals with the proper amount of the vitamin in the body, the liver disease can inversely disturb that balance also.
  • When the lack of vitamin K disturbs the process of lipid absorption by the small intestine, it becomes hard to avoid the intestinal malfunctioning as if the intestine would not absorb fats properly, it would get indulge in performing malfunctioning actions automatically.


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