Enzyme
Nattokinase
Nattokinase is an enzyme from natto, a Japanese fermented-soybean food.
Also listed as Natto extract, subtilisin NAT, Orokinase, NSK-SD
Anticoagulants and allergy matter
German consumer guidance advises against nattokinase with anticoagulants or soy allergy. Combining it with aspirin may increase bleeding. It should not replace prescribed anticoagulation without medical discussion. 1
For information, not individual medical advice. Ingredient studies do not establish the effectiveness of these products.
Sources
- Nattokinase: Hilfe bei Herz-Kreislauf-Problemen? Verbraucherzentrale, 2025