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Vitamin K2
Emerging research
A form of vitamin K abundant in natto, discussed in research on bone and cardiovascular health.
Often discussed in relation to
Commonly noted
- Commonly noted
- Vitamin K2 (menaquinone) is one of the two main forms of vitamin K, a fat-soluble vitamin the body uses for normal blood clotting and for maintaining bone. K2 is found in fermented foods such as natto and in some animal products.
- Low intake
- Low vitamin K status is commonly discussed in relation to easy bruising and longer bleeding times, and is more likely among people with fat-absorption problems.
- Higher intake
- Vitamin K has not been shown to cause harm and has no established upper level; a steady vitamin K intake is commonly discussed for people taking the anticoagulant warfarin.
Source: NIH ODS
Commonly found in
Brie
NattoWorth knowing
Vitamin K interacts with some blood-thinning medications; check with a professional if that applies to you.
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