What it is
Nattokinase is a serine protease produced by the fermentation of soybeans with Bacillus subtilis natto. It dissolves fibrin in vitro and supports fibrinolysis in vivo.
Supplement · Cardiovascular & Fibrinolytic
Nattokinase
NSK-SD
2000–4000 FU · vegan · gluten-free · 60 caps
elevated-fibrinogenpoor-circulationhypertension blood vesselheartlungs
Affiliate link · we earn from qualifying purchases. No paid placements.
How it works
Direct fibrinolytic action plus activation of plasminogen activator, lowering fibrinogen and supporting healthy blood-flow rheology.
Who should take it
Adults with elevated fibrinogen, frequent long-flight travelers, midlife cardiovascular maintenance.
Avoid / careful
Avoid with anticoagulants without coordination. Stop 2 weeks before surgery.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
Can nattokinase be taken with blood thinners?
Nattokinase has blood-thinning properties. Combining it with prescription anticoagulants or antiplatelet drugs can increase the risk of bleeding. Always consult your doctor before combining.
What is the best way to take nattokinase?
Nattokinase is generally recommended to be taken on an empty stomach, usually 30 minutes before a meal or 2 hours after, to maximize absorption and its fibrinolytic effects.
How long does it take for nattokinase to work?
While individual responses vary, noticeable effects on blood viscosity markers may be observed within weeks of consistent use. However, it's important for long-term cardiovascular support.
Research summary
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Japanese trials show fibrinogen reduction; growing CVD-mortality cohort evidence.
From the blog
Editorial notes
SacredBod's longer take on Nattokinase — context the structured blocks above don't capture.
Nattokinase is a cardiovascular & fibrinolytic supplement. Nattokinase is a serine protease produced by the fermentation of soybeans with Bacillus subtilis natto. It dissolves fibrin in vitro and supports fibrinolysis in vivo.
How it works
Direct fibrinolytic action plus activation of plasminogen activator, lowering fibrinogen and supporting healthy blood-flow rheology.
Who it’s for
Adults with elevated fibrinogen, frequent long-flight travelers, midlife cardiovascular maintenance.
Dosage & timing
- Typical dose: 2000–4000 FU
- Best time: evening
- With food: empty-stomach
- Expected onset: 2–4 weeks for fibrinolytic markers.
India context
Availability on Amazon India is currently limited or import-only for this form. International brands (iHerb, NOW Foods, Doctor’s Best) ship to India with variable customs handling. Local Ayurvedic equivalents may offer overlapping benefits.
Safety
Avoid with anticoagulants without coordination. Stop 2 weeks before surgery.
Added to your stack.