Premium FormulaGMP - Good Manufacturing Practice ProductHigh PotencyDietary Supplement3rd Party Lab TestedNattokinase is an enzyme derived from "natto", a traditional fermented soy food popular in Japan. During the natto production process friendly Bacillus subtilis bacteria ferment boiled, soybeans, producing nattokinase. Natto has been consumed safely for thousands of years for its numerous health benefits. Certain research publications indicate that Nattokinase may help support the following: Supports healthy cardiovascular health.