Used for thousands of years for numerous health benefits, the traditional Japanese food Natto has recently been confirmed by modern scientific studies to support healthy heart function and circulation. NOW Nattokinase isolates the key enzyme in Natto's health supporting roles and delivers it in a convenient, concentrated form. It is a powerful way to keep blood clotting levels in a healthy range, as well as improve blood flow.As powerful as NOW Nattokinase is in aiding blood flow, those with coagulation or bleeding disorders, or those on blood thinners should discuss their condition with their doctors before using it. This enzyme may help explain Japan's record low rates of heart disease, and is treasured by those who want non-prescription help in preventing blood clots. Your heart and circulatory system are working constantly to keep the rest of your body running, help them stay healthy with NOW Nattokinase.