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Does Spicy foods Affect Nattokinase?
Use extra care with this combination
The short answer
Capsaicin has mild antiplatelet activity, and nattokinase is a fibrinolytic enzyme. Combined use may increase bleeding risk.
How to arrange timing
Separate nattokinase from spicy food by at least 2 hours. Monitor for unusual bruising or bleeding.
Reference
Reference noted for this food and supplement combination: NIH ODS 2024
Important context
The effect can also change with food amount, supplement dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.