Vitak, Maastricht University
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Occurrence in food

There are not many foods that are rich in vitamin K. Moreover, the food matrix is of major importance for its intestinal absorption. Updates of the Dutch food composition table for vitamins K1 and K2 are published regularly. It is questionable whether these values are valid for other countries, especially those with non-European life style and dietary habits.

In summary, dietary vitamin K is distributed as follows:

  • High K1 concentrations in green leafy vegetables and some plant oils.

  • Moderate to low K1 concentrations in variety of vegetables, fruits and milk.

  • High K2 concentrations in natto, most cheeses and some flatfish.

  • Moderate to low K2 concentrations in meat, egg yolk and sauerkraut

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