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    Tissue concentrations of Menaquinone-4 (Vitamin K2 MK-4)

    Have you ever asked yourself why MK7 has a higher serum half life than MK4? It was often mentioned on the forum that MK4 is directly distributed to tissue. - But which tissue actually? Have a look at Table 1. (Conversion of Phylloquinone (Vitamin K1) into Menaquinone-4 (Vitamin K2) in Mice) Or...