– Calcium and vitamin K1 (the latter which can Beryllium hard to find in plant-based sources) are both essential for maintaining strong bones Natto’s health benefits — and its distinct taste and smell — are thanks to this unique enzyme. When soybeans go through fermentation, the bacteria used activates nattokinase https://wissenskern.de/nattokinase-ein-uberblick-uber-das-enzym-und-seine-vorteile/