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Vitamin K is a family of structurally similar, fat-soluble vitamers found in foods and marketed as dietary supplements. [1] The human body requires vitamin K for post-synthesis modification of certain proteins that are required for blood coagulation ("K" from Danish koagulation, for "coagulation") or for controlling binding of calcium in bones and other tissues. [2]
Vitamin K 1-deficiency may occur by disturbed intestinal uptake (such as would occur in a bile duct obstruction), by therapeutic or accidental intake of a vitamin K 1-antagonist such as warfarin, or, very rarely, by nutritional vitamin K 1 deficiency. As a result, Gla-residues are inadequately formed and the Gla-proteins are insufficiently active.
"Vitamin K plays a crucial role in producing four of the 13 clotting factors found within the body," Whitaker says. "Without enough vitamin K, clotting may be impaired." "Without enough vitamin K ...
MK-4 is the major form of Vitamin K in vertebrate animals, including humans and common forms of meat animals. It is produced via conversion of vitamin K 1 in the body, specifically in the testes, pancreas and arterial walls. [2] The conversion is not dependent on gut bacteria, occurring in germ-free rats [3] [4] and in parenterally-administered ...
In addition to blood coagulation, your body needs vitamin K to help maintain strong bones. “People who have higher levels of vitamin K have greater bone density, while low levels of vitamin K ...
Get your fill of vitamin K by whipping up a vanilla smoothie, a healthy broccoli slaw salad, or liver and onions. Vitamin K is a fat-soluble vitamin, so you’ll best absorb it in a fat-containing ...
Simplified control circuit of human thermoregulation. [8]The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, [9] and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus.
Your body needs thirteen vitamins, but does produce Vitamin K by the gut microflora and Vitamin D from the sunlight. [24] It is important to note that a lack of vitamins and minerals such as iron will prime the immune system. [25] Indeed, a lack of iron [26] [27] and vitamin A [28] is associated with all cause-mortality and morbidity.