Vitamin k2 mk4 vs mk711/11/2022 ![]() In conclusion, given the demonstrated benefits to bone and cardiovascular health, Friedman advocates for K2 supplementation in adults. (In these and other observational studies, K1 intake did not confer the same benefits.) Interestingly, the MK-7 to MK-9 forms of K2 proved most effective, while MK-4 did not impact outcomes. Additional studies show slowed progression of coronary calcification and decreased arterial stiffness in subjects taking Vitamin K2. Vitamin K2 and Heart HealthĪnother VKDP, Matrix Gla protein (MGP), plays a crucial role in the negative regulation of vascular calcification - a known contributor to atherosclerosis.Ĭiting the Rotterdam study, in which 4,809 Dutch men and women were evaluated for risk of coronary heart disease, Friedman finds that individuals consuming a diet high in Vitamin K2 suffered significantly fewer fatal heart attacks, and experienced a lower risk for both aortic calcification and all-cause mortality. (Notably, he also suggests that “MK-7 is superior at carboxylating osteocalcin than an equal dose of MK-4”). Further, in patients having undergone lung or heart transplant, he discovers that MK-7 supplementation mitigates against the expected post-operative loss of BMD. Compared to control groups in each study, individuals taking MK-4 experienced fewer clinical fractures, and were able to sustain or increase measures in distal forearm radius. This occurs primarily through the activation of osteocalcin, a Vitamin K dependent protein (VKDP) essential to bone metabolism and overall calcium homeostasis. Observational research reveals that individuals with the lowest Vitamin K2 intake have significantly lower bone mass than do those with the highest - suggesting an inverse relationship between K2 and osteoporosis.Ĭiting several prominent studies of osteopenic and osteoporotic women - as well as men, women and children with drug-induced secondary osteoporosis - Friedman finds that K2 exerts a net positive effect on bone mineral density (BMD), especially in the presence of Vitamin D. Although evidence suggests that most individuals do not consume enough K2, their deficiencies may go unnoticed in the clinical setting due to its less obvious effects. But, as Friedman argues, the human body also needs Vitamin K2 - present in cheese, curd and fermented soy. ![]() Most dietary intake of Vitamin K is through K1, which is present in dark, leafy green vegetables. The longer the side chain, the more lipophilic - and bioavailable - K2 becomes, generally at MK-7 and above. The most common, non-synthetic vitamers are K1 (phylloquinone) and K2 (menaquinone) - the latter of which comprises a number of compounds with varying side chain lengths, known as MK-4 through MK-13. Causes of K2 DeficiencyĪs Friedman notes, Vitamin K is a generic term for a collection of fat-soluble nutrients widely known for its role in healthy blood coagulation. Based on the results of a comprehensive review and analysis of both observational studies and randomized, double-blind clinical trials, he further makes the case for Vitamin K2 supplementation, particularly MK-7. ![]() But K2 (menaquinone) has been found to be far more important for its role in preventing osteoporosis and atherosclerosis. K1 is best known for facilitating clotting. In “The Role of Vitamin K2 in Bone and Cardiovascular Health,” published in the Journal of Restorative Medicine 1, author Tal Friedman, ND discusses the more recent revelations about the importance of K2 and its significant differences from the role of K1. ![]()
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