they were given 50g natto daily for 14 days, so half the doses shown. carboxylated gla osteocalcin peaked by 1295mcg MK-7 per 100g natto (650mcg dose) [somewhere between 430mcg - 650mcg has max effect]
Also saw another study that showed 100mcg mk7 daily reduced uncarboxylated osteocalcin -20%. obviously a lot of the mk-7 studies are coming from companies tied to japanese food industry etc because that's where the incentive to study is, but that's what there is to go by.
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