DaVinci Laboratories Nattokinase Plus is a nutritional supplement designed for healthy blood flow support. Nattokinase is a fibrinolytic enzyme that is responsible for breaking down fibrin which is the protein by-product of blood coagulation and clotting. Proper fibrinolysis regulation can help maintain healthy blood flow. Healthy blood flow and circulation are necessary for the entire body in order to oxygenate and carry nutrients to tissues and organs. Recommended usage: As a dietary supplement, take 2 capsules daily, between meals, or as directed by your healthcare practitioner.