Vitamin K

What is vitamin K Vitamin K comes in two main forms: K1 (phylloquinone) and K2 (menaquinone). Both vitamins have the same benefits, but they differ in structure, sources, and role in the body. Vitamin K1 Vitamin K1, also called phylloquinone, is not produced by the body and must be obtained through food. This vitamin is mainly found in green leafy vegetables, such as spinach and broccoli. Vitamin ...