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3Medicinal

Nattokinase

Promoted for circulation; carries a meaningful bleeding-risk caution.

TrustedSupp Tier System™ · Tier 3Take as a defined course
Check before you startThis one has documented interactions with medication classes where the consequences are serious. If you take any prescription medicine, run it past a pharmacist before starting.

Evidence strength

25/100Weak
WEAKLIMITEDMODERATESTRONGVERY STRONG

What the evidence supports: circulation claims; human outcome evidence is minimal.

This scores how well-supported the claim above is — not how much benefit you personally would get. A high score on a narrow claim does not extend to everything the product is marketed for.

How long to take it

Not established. Use cautiously and briefly.

Who it's actually for

Limited evidence base — discuss with a doctor before use.

Safe upper limit

Unverified
No formal limit; 2,000 FU daily is typical
Fibrinolytic activity means genuine bleeding risk, particularly stacked with other blood thinners.
No source or citation attached yet.

Interactions to know about

Other supplements:

Run your full list through the interaction check.

Practical notes

  • Do not combine with anticoagulants.
  • Stop well before surgery.