NSK-SD Nattokinase Dietary Supplement Systemic Enzyme for Healthy Circulation* 60 capsules, 100 mg each Nattokinase is a systemic enzyme isolated from the traditional Japanese soy food, natto. It has been shown to support healthy blood flow by assisting the circulatory clearing system of the body.* Contains no yeast, dairy, egg, gluten or wheat. Contains no sugar, salt, preservatives, or artificial color, flavor or fragrance. *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.