Description Fibrin is a protein found in the blood. Maintaining healthy levels of fibrin promotes healthy coagulation of blood for an optimally functioning cardiovascular system. Natto-K contains specialized blends of enzymes including Nattokinase with NSK-SD the only form of nattokinase that does not contain vitamin K2 to enhance the body s production of plasmin. Plasmin breaks down excess fibrin, which may improve circulation. Natto-K may help maintain already healthy levels of blood clotting factors within a healthy range. Recommended Use: 1 capsule three times daily on an empty stomach, one hour before or two hours after a meal. Consult physician prior to use if pregnant or nursing. Thera-blend is an exclusive process that combines multiple strains of enzymes that work in specific pH levels, resulting in superior performance in the body. NO FILLERS ADDED   *Disclaimer: These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.