Vitamin K2 is essential for the carboxylation of glutamate residues in certain proteins, to give-carboxyglutamate. This modification allows the protein to bind calcium, an essential event in the blood clotting cascade. Carboxylation of glutamate is also important in other proteins involved in the mobilization or transport of calcium. Vitamin K2 is also a known of SXR. Currently in Japan, Vitamin K2 is being used to treat the degenerative bone disease osteoporosis.
*The following content is generated by AI and is for reference only.
Natural Vitamin K2 (Menaquinone-7, MK-7) is a fat-soluble vitamin derived primarily from the fermentation of soybeans or natto by Bacillus subtilis. Its molecular formula is C31H46O2, and it carries the CAS registry number 68268-90-2. Unlike synthetic forms, natural MK-7 possesses superior bioavailability and a significantly longer half-life in the bloodstream, allowing for once-daily dosing while maintaining stable therapeutic levels. This unique pharmacokinetic profile distinguishes it from other menaquinones, making it the preferred form for dietary supplementation aimed at long-term health benefits.
The primary biological function of Vitamin K2 (MK-7) involves the activation of specific proteins essential for calcium metabolism, most notably osteocalcin and matrix Gla protein (MGP). By acting as a cofactor for gamma-carboxylation, MK-7 ensures that calcium is effectively transported to bones and teeth rather than depositing in soft tissues like arteries and kidneys. Consequently, this process is critical for maintaining bone mineral density, reducing the risk of fractures, and supporting overall skeletal integrity, particularly in postmenopausal women and aging populations. Furthermore, its role in inhibiting vascular calcification suggests significant potential for cardiovascular health, helping to preserve arterial elasticity and reduce the risk of atherosclerosis.
In the global health market, Natural MK-7 is widely incorporated into multivitamin formulations, standalone supplements, and functional foods. It is often marketed alongside Vitamin D3, as these two nutrients work synergistically; Vitamin D3 enhances calcium absorption, while MK-7 directs that calcium to the appropriate sites. The product is generally recognized as safe (GRAS) and is suitable for vegetarians when sourced from bacterial fermentation, although traditional sources like natto remain popular in Asian cuisines. As research continues to highlight the interconnectedness of bone and heart health, Natural Vitamin K2 (MK-7) stands out as a vital nutrient for comprehensive wellness strategies, offering a scientifically backed solution for modern lifestyle-related deficiencies.