051987f4_TWAY_VITAMINS___Reading_Labels__It_Is_
[Item:] Vitamin K [If source Given Is:] K1 Phylloquione (Alfalfa, green plants) K2 Menaquinone-4 (Mk-4) (animal fats- eggs, butter, dairy, meats) K2 Menaquinone-7) (Mk-7) (natto, a fermented soy) K1 (phytonadione) K2 as Mk-4 (i.e.- Menatetrenone) (or if no source listed) (identical form as natural) K3 Menadione (Not used as supplement, only as Drug in medicine) [It Is:] 
Natural Synthetic
RIGHTWAY VITAMINS - Reading Labels
It Is: