Now Foods Nattokinase 100mg (2,000 FU)Nattokinase is an enzyme isolated from natto, a traditional Japanese fermented soy food. Natto has been consumed for thousands of years for its numerous health promoting properties. More recently, both clinical and non clinical studies have demonstrated that nattokinase can help to promote heart and circulatory health by supporting normal blood clotting functions. NOW Nattokinase is derived from non GMO soy and has 2,000 FUs (Fibrinolytic Units) per