The benefits of vitamin k, along with its deficiency and sources, are expounded thoroughly in this post. Vitamin K is essentially a combination of molecules, with vitamins K1 and K2 appearing to be the most important. The principal form, phylloquinone, can be seen in green leafy veggies like collard greens, kale, and spinach, while menaquinones, the other form, can be seen in fermented meals and some animal products; bacteria residing inside the human body can also generate menaquinones. Please click for more.