Figure 1.

Change in serum vitamin K2 levels following a single oral dose (420 μg) of MK-4 or MK-7. Each point represents the mean ± SEM of 5 subjects at 0, 2, 4, 6, 10, 24, 48 and 72 h. ■=MK-4; ○=MK-7

Sato et al. Nutrition Journal 2012 11:93   doi:10.1186/1475-2891-11-93
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