Nattokinase is an enzyme extracted and purified from a Japanese food called Natto, which is a food made from fermented soybeans and has as a tradition food used for hundreds of years. Nattokinase is an enzyme that made of by Bacillus subtilis var. natto during its generation. Nattokinase Premium has no peculiar smell just like natto and it is quite easy to drink. It has been proved very useful to maintain the health.