Article: Vitamin K

Vitamin K

Description

Vitamin K originates from the German term koajulation . It is also known as antihemorrhagic factor, and is one of the four fat-soluble vitamins necessary for good health. The others are vitamins A, D, and E. The primary and best-known purpose of vitamin K is support of the process of blood clotting. Prothrombin and other clotting factors are dependent on vitamin K for production. It also plays a role in bone health, and may help to prevent osteoporosis . Appropriate growth and development are supported by adequate vitamin K.

There are several forms of the vitamin:

  • K 1 or phylloquinone; also known as phytonadione

  • K 2 , a family of substances called menaquinones
  • K 3 or ...

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