Kawaguchi Natto

Kawaguchi Natto is a specialized Japanese producer of fermented soybean products, recognized for its commitment to traditional fermentation techniques and functional nutrition. The company focuses on the production of natto using proprietary strains of Bacillus subtilis var. natto, which are known for producing high levels of the fibrinolytic enzyme nattokinase and Vitamin K2. Kawaguchi Natto distinguishes itself by maintaining a vertically integrated production model, growing its own soybeans and rice straw to ensure the highest standards of quality and safety. Their product portfolio includes traditional straw-wrapped natto and dried natto products aimed at promoting cardiovascular and digestive health. As a key player in the functional food sector, the company bridges traditional Japanese dietary practices with modern health and wellness needs.