Vitamin K vs Potassium Vitamin K is a fat soluble vitamin which is a derivative of 2-methilo-naphthoquinone. There are three common forms of vitamin K, K1, K2 and K3. K1 (phytonadione, phylloquinone) and K2 (menaquinones) can be synthesized by natural bacterial flora of the intestines. Phylloquinone is of plant origin and the predominant form in […]