From the Manufacturer:
Promotes circulatory health**
2,000 FU's of activity
Nattokinase is an enzyme isolated from Natto, a traditional Japanese fermented soy food. Natto has been consumed safely for thousands of years for its numerous health benefits.** More recently, both clinical and non-clinical studies have demonstrated that Nattokinase supports heart health and promotes healthy circulation.** Each serving of Now<® Nattokinase provides 2,000 FU (Fibrinolytic Units).
About Puritan’s Pride
For more than 40 years, Puritan's Pride has helped families achieve a lifestyle of wellness. Our vitamins and supplements are made with care from the highest quality ingredients. They are tested or inspected as many as 15 times throughout the manufacturing process. That's why you can shop with confidence. We take pride in our products and helping customers feel their best.
Contains No: sugar, salt, yeast, wheat, gluten, milk, egg, shellfish or preservatives. Contains no Vitamin K.