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Vitamin K

Vitamin K is a fat soluble vitamin that plays an important part in the coagulation of blood (clotting) and proper utilization of calcium to build bone. While vitamin K deficiency is rare in healthy individuals, having Crohn's Disease significantly increases your risk of deficiency.[1]

Contents


Symptoms of Vitamin K Deficiency

  • Bleeding gums
  • Frequent bloody nose
  • Decreased bone density
  • Petechiae [3]

Anatomy of Absorption

You are at increased risk of vitamin K deficiency if you have trouble absorbing fats or have inflammation of large portions of the jejunum and/or ileum or you have had portions of the jejunum or ileum surgically removed.[2]

Recommended Daily Intake

Children 4 - 8 years: 55 mcg
Children 9 - 13 years: 60 mcg
Adolescents 14 - 18 years: 75 mcg
Men 19 years and older: 120 mcg
Women 19 years and older: 90 mcg

Available Forms

There are 3 forms of vitamin K:
  • Vitamin K1 or phylloquinone, the natural version of K1 and phytonadione, the synthetic type of K1
  • Vitamin K2 or menaquinone
  • Vitamin K3 or menaphthone or menadione

Natural Sources of Vitamin K

Green leafy vegetables, asparagus, green tea, beef liver, gut bacteria

References


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