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The most useful measures are shown at the top of the list. In addition to total vitamin K2, total vitamin K includes the small amount of vitamin K1 that is present in some of these foods. MK-4 is the form that plays a specific role in regulating gene expression. MK-4 and MK-7 are the two forms that have been studied well and shown to support the activation of vitamin K-dependent proteins produced outside the liver.

Values are reported as μg/100g food for solids or μg/100 ml food for liquids.  NM=Not Measured. ND=Not Detected.

Bovine Liver

      • Total Vitamin K2= 7.9
      • Total Vitamin K= 13.7
      • MK-4= 0.7
      • MK-7= 2.6
      • Sum of MK-4 + MK-7= 3.2
      • MK-5= 0
      • MK-6= 0.9
      • MK-8= 1.38
      • MK-9= 0.98
      • MK-10= 1.4
      • MK-11= 0
      • MK-12= 0
      • MK-13= 0
      • Vitamin K1= 5.8
      • Category:  Organ Meats (Offal)
      • Reference:   Koivu-Tikkanen TJ, Ollilainen V, Piironen VI. Determination of phylloquinone and menaquinones in animal products with fluorescence detection after postcolumn reduction with metallic zinc. Journal Agriculture and Food Chemistry. 2000 Dec;48(12):6325-31.