The insights come from an article published by Prevention, featuring registered dietitian Avery Zenker and dental specialist Sandip Sachar. What Makes Vitamin K2 DifferentAccording to Prevention, vitamin K is essential for blood clotting and bone support, found naturally in foods like kale, broccoli, figs, olive oil and other leafy vegetables. However, “vitamin K” is not a single nutrient but a family, with K1 and K2 serving separate functions. “Vitamin K1 and K2 are similar but different in a number of wa ...