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Most Healthy People are Vitamin K Deficient

For many of you who have heard me talk about vitamin K over the last few years and recall me discussing that most people are in fact vitamin K deficient, this new study just confirms that. It's not new, and I'm not going to take credit for discovering a new deficiency. Many studies that looked at "extra-hepatic" tissues (those other than the liver) have shown insufficient levels of vitamin K, even though the liver may have enough, and no one is walking around bleeding to death.

The new analysis of looked at 896 blood samples collected from 110 healthy participants and revealed that both children and adults had high levels of under-carboxylated osteocalcin (ucOC, in the bone) and matrix Gla protein (ucMGP, in the blood vessels), both of which are biomarkers of vitamin K status.

Further, the study showed that vitamin K2 (as MK-7) supplementation improves the status of these biomarkers. This is particularly important for bone development in children and for preventing osteoporosis and arterial calcification in adults.

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Source: Vitamin K status in healthy volunteers

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