Science-Based Nutrition™ Dietary Supplement 2,000 FUs per Veggie Cap Nattokinase is an enzyme derived from "natto", a traditional fermented soy food popular in Japan. During the natto production process, B. subtilis natto, a friendly bacteria, ferments boiled, non-GMO soybeans, releasing nattokinase. Best Nattokinase contains pure nattokinase enzyme with all Vitamin K removed. Suitable for Vegetarians Contains nothing other than listed ingredients. *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. 800.777.2474