Ntuj vitamin K tuaj nyob rau hauv ob hom:vitaminK1 and K2. Phylloquinone (K1) is mainly found in green leafy vegetables and plays a role in blood clotting. And menaquinone (K2), which is primarily produced by the gut microbiota, is essential for healthy arteries and bones. But the same is that they are both absorbed by the small intestine.
Vitamin K1 for blood clotting
In the process of blood clotting, there is an important protein called Prothrombin. Vitamin K1 is responsible for activating prothrombin for blood clotting. Phylloquinone is vital to the circulatory system: without it, the liver cannot produce the molecules that ensure blood clotting. Severe K1 deficiency can lead to bleeding risk. By contrast, some anticoagulant treatments are vitamin K antagonists—they work by reducing their blood clotting effects.
Vitamin K1 yog nyob rau hauv zaub ntsuab, xws li spinach, zaub qhwv, lettuce, broccoli, thiab taum pauv thiab canola roj.
Vitamin K2 rau pob txha thiab mob plawv
Vitamin K2 activates lub matrix GLA protein thiab osteocalcin, ob proteins uas txhawb calcium binding thiab pob txha metabolism, yog li pab tsim thiab tswj cov pob txha zoo. Cov neeg uas noj ntau cov zaub mov uas muaj vitamin K2 muaj cov pob txha muaj zog thiab tsis tshua muaj kev txom nyem los ntawm pob txha pob txha. Tsis tas li ntawd, vitamin K2 supplementation kuj txo cov pob txha poob thiab txo qhov kev pheej hmoo ntawm pob txha, ua kom cov pob txha pob txha pob txha tsawg tsawg hauv cov poj niam postmenopausal.
Kev noj ntau ntawm cov tshuaj vitamin K2 tuaj yeem txo qhov kev pheej hmoo ntawm kab mob plawv. Nws paub tias ib qho ntawm cov kev pheej hmoo rau kab mob plawv yog vascular calcification. Vascular calcification txo cov elasticity ntawm cov hlab ntsha. Vitamin K xav tias yuav pab tiv thaiv kev loj hlob ntawm vascular calcification.