![]() 1 This means that supplementation is essential to achieve optimal vitamin K2 status and benefit from its health supporting properties, both alone and in combination with vitamin D3. When circulating concentrations of vitamin K2 are insufficient, a greater proportion of prothrombin, osteocalcin and MGP remain un-carboxylated and therefore inactive which may increase the risk of cardiovascular disease (CVD), lower bone mass density and osteoporosis. However, Western diets provide very low amounts of vitamin K2-particularly K2 MK-7, which is the least naturally available form. Vitamin K2 can be found in small quantities in a variety of food sources, including animal products and fermented foods, like cheese. Here, the proteins need to be carboxylated by vitamin K in order to function properly. Osteocalcin and matrix Gla protein (MGP)-two calcium-binding proteins-also require vitamin K to produce healthy bone tissue. For example, prothrombin-a protein directly involved in blood clotting-is vitamin K dependent. It helps to activate and regulate multiple proteins in the body (known as vitamin K-dependent proteins), including those needed for blood clotting, bone metabolism and heart health. Vitamin K is an important fat-soluble molecule that comes in two forms-K1 (phylloquinone) and K2 (menaquinone ). ![]() Suffice it to say that vitamin K2 helps to unlock the full potential of the “sunshine vitamin.” Forgotten vitamin, big potential However, not everyone is aware of the important role that vitamin K (particularly K2) plays in vitamin D function. ![]() Many people have become familiar with vitamin D’s potential impact on optimal immunity and bone health.
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