Vitamin K

Vitamin K is a very essential vitamin!  

It is necessary for blood clotting.  It is given in the medical setting at times to reverse the effects of blood thinning medications.

Vitamin K is given to prevent clotting problems in newborns who don’t have enough vitamin K at birth.  Vitamin K is given to people who are low- don’t make enough vitamin K.

The name vitamin K comes from the German word Koagulationsvitamin.


Vitamin K is what we call a fat soluble vitamin, which means it can be retained in the fat cells of our body.  Vitamin K interacts with a protein in our blood that is involved in clotting.

There are different forms of vitamin K:

Vitamin K1 (phytonadione)  – this form is found in vegetables

Vitamin K2 (menaquinone) – found in dairy products & also produced in the intestines (primarily by the bacteria in the intestines)

Both forms are available in North America.  Vitamin K1 the preferred form of vitamin K because it is less toxic, tends to work faster, is stronger, and works better for certain conditions.

Vitamin K health benefits:


  • Heart health – Vitamin K has been shown to help prevent calcification of arteries                                in the heart
  • Healthy Bones – Vitamin K increases the amount of a specific protein required to    

                                        maintain bone calcium.

  • Cancer Prevention – Vitamin K has been shown to be effective in helping with the                                           reduction in the risk of  prostate, colon, stomach, nasal, and                                             oral cancers.

Vitamin K is a vitamin found in:

  • leafy green vegetables
  • fermented soy
  • scallions
  • broccoli
  • cabbage
  • prunes
  • cucumbers
  • dried basil  
  • brussels sprouts  

The RDA (Recommended Daily Allowance) of vitamin K is 120 mcg/day for men and 90 mcg/day for women.


*******If you have any questions or concerns regarding Vitamin K, consult your physician*****


**********This information is intended for educational purposes, not as medical advice**********

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