Double Wood Nattokinase 4000 FU 200 mg 120 capsules supports cardiovascular and circulatory health with a potent fibrinolytic enzyme derived from fermented soybeans and made in the USA using vegetarian, non GMO, gluten free ingredients. Each serving provides 200 mg 4000 FU to help maintain healthy blood flow, and it fits easily into a daily wellness routine by taking two capsules per day as recommended.