Loaʻa kēia huaora mai nā mea kanu a me nā aila mea kanu, a me ka ʻiʻo, nā hua manu, a me kekahi mau meaʻai fermented maikaʻi (e like me ka cheese).
ʻO ka poʻe e ʻai ana i ka meaʻai momona i ka huaora K he 34% ka haʻahaʻa haʻahaʻa o ka maʻi maʻi cardiovascular e pili ana me ka atherosclerosis.
Ua aʻo nā kānaka ʻepekema ma ke Kulanui ʻo Edith Cohen (USA) i ka ʻikepili ma luna o kanalima tausani kānaka i komo i ka noiʻi ʻana i ka ʻai ʻai ʻo Danish, Ka maʻi maʻi, a me ke olakino lōʻihi ma kahi o 23 makahiki. Loaʻa i nā meaʻai ʻelua ʻano o ka huaora K: loaʻa ka huaora K1 mai nā mea kanu a me nā aila mea kanu, a loaʻa ka huaora K2 i loko o ka ʻiʻo, nā hua manu, a me nā meaʻai fermented (e like me ka cheese).
ʻO ka hopena, ua ʻike ʻia he 1% ka liʻiliʻi o ka poʻe me ka nui o ka lawe ʻana i ka huaora K21 i ka hale maʻi me ka maʻi cardiovascular e pili ana me ka atherosclerosis, ʻoiai ʻo ka pilikia o ka hoʻokipa ʻana he 14% haʻahaʻa no ka lāʻau K2. Ua ʻike ʻia kēia pilikia haʻahaʻa no nā ʻano maʻi puʻuwai pili pili i ka atherosclerosis, ʻoi aku hoʻi no ka maʻi ʻaʻaʻa peripheral (34%).
Wahi a ka poʻe ʻepekema, hana ka Vitamin K ma ka pale ʻana i ke kūkulu ʻana o ka calcium i loko o nā aʻa nui. A alakaʻi pinepine kēia i ka calcification o nā kīʻaha koko.