Serrapeptase vs Nattokinase: Which Supplement Is Better?

This comparison focuses on evidence strength, benefits, dosage ranges, and side effects so you can decide which option fits your goal.

Attribute	Serrapeptase	Nattokinase
Category	specialty	specialty
Research rating	Emerging evidence	Moderate evidence
Benefits	Anti-inflammatory (proteolytic) Sinus and respiratory congestion relief Post-surgical swelling reduction	Fibrinolytic (clot-dissolving) activity Blood pressure reduction Cardiovascular health support
Dosage range	10-60mg (10,000-120,000 IU) daily, on an empty stomach; enteric coating essential	100-200mg (2,000-4,000 FU) daily
Side effects	Nausea if not enteric-coated Bleeding risk with anticoagulants Skin rash (rare) Muscle aches (rare) Avoid 2 weeks before surgery	Bleeding risk — caution with anticoagulants (warfarin, aspirin) Bruising at high doses GI upset (rare) Avoid perioperatively and in bleeding disorders

Winner for daily wellness

Nattokinase edges ahead for consistent daily use thanks to stronger evidence and tolerability.

Choose Nattokinase if your goal aligns with its specific benefits; choose Serrapeptase for broader support and simpler routines.

Is Serrapeptase or Nattokinase better for beginners?

It depends on your goal and tolerance. Review research ratings and start with lower doses.

Can I take Serrapeptase and Nattokinase together?

Some combinations can work, but check interactions and total dosages first.

Which has stronger research?

Compare the research ratings shown above and review the NIH citations for each.

Which works faster?

Most supplements require consistent use over weeks to evaluate outcomes.

Are side effects different?

Yes. Review the side effect list for each supplement and consider your sensitivities.

How should I choose between them?

Focus on your specific goal, your budget, and tolerance to forms and dosages.