Now - nattokinase 100mg - 60 veg capsules 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 ing normal blood clotting functions. Now nattokinase is derived from non-gmo soy and has 2, 000 fus (fibrinolytic units) per 100 mg serving. Cardiovascular health helps maintain normal blood flow 2, 000 fus of activity vegetarian/vegan. Now nattokinase 100mg vegan - 60 vegetarian capsules (60 servings)