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Hi, Is it actually neccesary to supplement Vitamin K along with Vitamin D? According to some authors on the web tze supplementation of Vitamin D could lead to an “functional” Vitamin K-deficiency, because Vitamin K will be used up to deal with the additional Calcium due to hiher Vitamin D-Levels. (Please excuse my rather bad english for I am no native speaker). Axel Berendes, Germany

Asked by  ABerendes on October 21, 2014

  •  ABerendes on

    See title

    Answered by  ABerendes on
  •  John Cannell, MD on

    We recommend vitamin K2 with vitamin D, at least 80 ug per day.

    Answered by  John Cannell, MD on

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