Vitamin K is required by matrix Gla-protein (MGP) and other calcium-regulating proteins in your arteries.2

Long-lasting vitamin K2 menaquinones

Vitamin K2 (a group of related compounds called menaquinones) is found in meat, eggs, dairy products and fermented foods. K2 is also made to some extent by bacteria in the human gut.2 Still, vitamin K supplementation is a good idea, and K2 is an ideal choice.