Does Tea Affect Nattokinase?

Amount or timing may matter

The short answer

Green tea catechins have mild anticoagulant properties. Combined with nattokinase's fibrinolytic activity, bleeding risk may increase.

How to arrange timing

Use caution combining tea with nattokinase. Separate by at least 2 hours.

Reference

Reference noted for this food and supplement combination: Examine.com 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.