Jarrow Formulas NattoMax is an extract from genetically unmodified (non-GMO) soybeans fermented with Bacillus subtilus natto. MK-7 is concentrated without solvents.. . MK-7 (Menaquinone-7) is an enhanced bioactive form of vitamin K2 also known as Menaquinones. MK-7 from Natto is ten times better absorbed than K1 from spinach. While vitamin K1 is primarily absorbed by the liver MK-7 is absorbed in extrahepatic tissues such as the arterial wall pancreas and testes. Vitamin K functions primarily as a co-factor for the enzyme gamma-glutamyl-carboxylase responsible for carboxylation of specific bone proteins. Each softgel of MK-7 offers the amount of menaquinone-7 (MK-7) found in 120 grams of cheese.. . .Other products from HerbsPro