Jarrow Formulas - MK7 90 mcg. - 120 Softgels Jarrow Formulas MK-7 is made via fermentation by Bacillus subtilus natto. MK-7 (Menaquinone-7) is the bioactive form of vitamin K2 found naturally occurring in Natto. MK-7 is ten times better absorbed than K1 from spinach and is responsible for the carbox
