Vitamin K Deficiency

Vitamin K Deficiency Testing and health information

Excessive or unexpected bleeding usually leads to the discovery of vitamin K deficiency. The main lab tests to examine the bleeding are the prothrombin time (PT/INR) and the Vitamin K blood test for blood levels.

SEE BELOW THE LIST OF TESTS FOR MORE INFORMATION ABOUT Vitamin K Deficiency and Lab Tests


Name Matches






Most Popular


Most Popular








Diagnosing Vitamin K Deficiency; the body requires small regular amounts of Vitamin K. This nutrient is important in the formation of coagulation factors, protein S, and protein C. When blood vessels are injured, all these substances help in the blood’s clotting. They also ensure excessive clotting is prevented. Easy bruising and extreme bleeding can be caused by inadequate vitamin K. Also, this nutrient has an important role when it comes to bone loss prevention. Low bone density has been associated with low levels of vitamin K within the blood. There is some evidence suggesting that enough vitamin K levels lead to bone health improvement. Such levels also reduce fracture risks.

Vitamin K exists in three different types:

  • Vitamin K1 comes from foods. It also goes by the name phylloquinone or phytomenadione. Green leafy vegetables, vegetable oils, and dairy products ... See more