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HOW K2 AS MK-7 WORKS
Vitamin K is necessary for normal blood clotting and synthesis of proteins found in plasma, bone, and kidneys.
After some decades of studies today we know that Vitamin K2 as MK-7 is essential for the function of several calcium-binding proteins involved in the maintenance of the normal structure of osteoarticular system, teeth, arterial wall, and for the regulation of cell growth.
Vitamin K is essential for the proper formation and full activation of the Gla proteins. The Gla protein osteocalcin, when fully carboxylated by vitamin K, allows for the binding of calcium to the bone matrix.
Natural vitamin K2 as MK-7 is the essential cofactor for the enzyme γ-carboxylase which is able to carboxylate these calcium-regulating proteins making them able to form calcium-binding groups essential for their biological activity. By controlling these proteins in vascular tissue, vitamin K2 keeps calcium out of the arteries and drive it to bones.
It was found that osteocalcin was undercarboxylated by 40% in postmenopausal women when compared with premenopausal women (Knapen 1989). Uncarboxylated matrix Gla-protein is associated with the increased vascular calcification and cardiovascular disease (Hackeng et al 2001; Schurgers et al, 2013).
Knapen MHJ, Hamulyák K, Vermeer C. The effect of vitamin K supplementation on circulating osteocalcin (bone gla protein) and urinary calcium excretion. Ann Intern Med 1989;111:1001–5.