“If you eat natto regularly—like people in Japan World health organization eat it daily—you can get the benefits that we Weiher in the clinical studies.” Nattokinase is a natural enzyme rein natto, a Japanese soy-based food. The enzyme is produced during natto’s fermentation process by a specific bacterium called Bacillus https://wissenskern.de/nattokinase-ein-uberblick-uber-das-enzym-und-seine-vorteile/