Biukiyo 2700FU Nattokinase + KefirNow in a new, improved packaging! Natto is a traditional Japanese food made from fermented soybeans, known for its health benefits. It contains an enzyme called nattokinase, produced during the fermentation process with Bacillus subtilis natto. In 1925, Professor Oshima first studied nattokinase, and since then, various research has highlighted its health properties. Nattokinase helps dissolve blood clots by breaking down fibrin, the main component of