What is Vitamin K?

In short

Vitamin K is a fat-soluble vitamin. It includes vitamin K1 (phylloquinone) and vitamin K2 (menaquinones).

What does the body need it for?

Vitamin K contributes to normal blood clotting. Vitamin K contributes to the maintenance of normal bones.

How much is good?

NRV (EU reference value)

75 µg

Too much

Maximum per daily dose (BfR)

80 µg

Vitamin K can reduce the effect of vitamin K antagonists such as phenprocoumon or warfarin. If you take these medicines, use vitamin K supplements only after consulting your doctor.

Interactions

• Vitamin K and Blood thinners

  Vitamin K weakens blood thinners of the vitamin K antagonist type (phenprocoumon or warfarin). Only take vitamin K products after talking to your doctor.

Other names

Vitamin K1, Phyllochinon, Phylloquinone, Filoquinona, Vitamin K2, Menachinone, Menaquinones, Vitamina K

Source

EU Regulation 432/2012; BfR