Exploring Nattokinase: Natto-Vitamin K Connection

Dayna Dye

What is Nattokinase?

Nattokinase is an enzyme that occurs in a Japanese fermented soy food known as natto. In addition to nattokinase, natto is a significant source of MK-7, which (along with other menaquinones) is a form of vitamin K2. Another member of the fat-soluble vitamin K family is vitamin K1.¹

Nattokinase is made by bacteria during the fermentation of natto.² It is known for its ability to help break down fibrin, a protein that creates a mesh in the process of blood clot formation. Although the ability of blood to coagulate is essential to health, hypercoagulation, particularly …read more