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PubMed Central
pmc.ncbi.nlm.nih.gov › articles › PMC6043915
Nattokinase: A Promising Alternative in Prevention and Treatment of Cardiovascular Diseases - PMC
Nattokinase is capable of degrading amyloid fibrils at neutral pH and normal body temperature, suggesting a role in the treatment of amyloid-related diseases such as Alzheimer disease (AD).52 The ability of NK to dissociate amyloid suggested that NK was a potential drug candidate for ...
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Memorial Sloan Kettering Cancer Center
mskcc.org › for adult patients › cancer care › about diagnosis & treatment › managing symptoms & side effects › integrative medicine › about herbs, botanicals & other products › search about herbs
Nattokinase | Memorial Sloan Kettering Cancer Center
Nattokinase has been promoted as an alternative anticancer treatment based on the notion that it can help dissolve the fibrin coating around a tumor, and increase oxygen supply in the blood to inhibit cancer cell growth.
Discussions

Has anyone tried nattokinase?
To my knowledge, nattokinase is a supplement that can help resolve blood clots and improve circulation. My holistic doctor brought up starting it. I heard... More on connect.mayoclinic.org
🌐 connect.mayoclinic.org
April 18, 2024
nattokinase?
I would recommend r/covidlonghaulers for this topic. More on reddit.com
🌐 r/ZeroCovidCommunity
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October 9, 2024
Cardiologist discovers nattokinase.
He says not many studies were done on large amounts of people--but just as recent as 2022, My favorite NK study was done on over 1000 people with quite favorable results: https://pubmed.ncbi.nlm.nih.gov/36072877/ More on reddit.com
🌐 r/Supplements
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September 30, 2023
Researchers studied the effects of natto (a food rich in vitamin K2) on arteriosclerosis in mice: the findings showed that consuming natto induced changes in the intestinal microflora, suppressing inflammation and preventing arteriosclerosis
Wow I actually like natto with some good rice. Interesting study. More on reddit.com
🌐 r/science
132
2452
December 23, 2023
People also ask

Is nattokinase healthy?
Nattokinase has blood-thinning and blood-pressure-lowering properties and therefore helps to prevent cardiovascular diseases. In addition, studies suggest that the enzyme also has an anti-inflammatory effect – a property that would be beneficial for a wide range of illnesses.
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biogena.com
biogena.com › nattokinase: benefits, side effects and usage of the enzyme
Nattokinase: Benefits and side effects according to studies | BIOGENA ...
What does nattokinase do in the body?
Nattokinase can dissolve the blood-clotting protein fibrin, thus counteracting the formation of blood clots. In addition, nattokinase helps to lower blood pressure. For a few years now, nattokinase has also been discussed as a natural anti-inflammatory agent. However, more research is needed before any definitive conclusions can be drawn.
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biogena.com
biogena.com › nattokinase: benefits, side effects and usage of the enzyme
Nattokinase: Benefits and side effects according to studies | BIOGENA ...
Can anyone take nattokinase?
No. Pregnant and breastfeeding women, children and adolescents should not take nattokinase due to a lack of study data. In addition, people who take medication – especially blood anticoagulants – should only take nattokinase under medical supervision.
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biogena.com
biogena.com › nattokinase: benefits, side effects and usage of the enzyme
Nattokinase: Benefits and side effects according to studies | BIOGENA ...
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WebMD
webmd.com › drugs & supplements › nattokinase
Nattokinase: Overview, Uses, Side Effects, Precautions, Interactions, Dosing and Reviews
When taken by mouth: Nattokinase is commonly consumed in foods. It has been eaten in Japan for hundreds of years. Nattokinase is possibly safe when taken as medicine.
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Verywell Health
verywellhealth.com › what-is-nattokinase-89831
Should You Add Nattokinase to Your Wellness Routine?
December 12, 2025 - The treatment was able to reduce the impact of CAT and increase antitumor activity in the treatment of colon cancer. Study authors acknowledge that research is in its early stages and more studies are needed to fully understand this potential ...
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WebMD
webmd.com › vitamins and supplements › reference
Nattokinase: Uses, Health Benefits and side Effects
January 21, 2025 - It may be helpful in preventing blood clots and lowering blood pressure, but more research is needed to be sure. Nattokinase is also available as a supplement, but talk to your doctor first to see if it's right for you.
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Drugs.com
drugs.com › home › natural products (pro) › nattokinase
Nattokinase Uses, Benefits & Dosage
January 22, 2026 - Treatment of natto, a fermented soybean preparation, to prevent excessive plasma vitamin K concentrations in patients taking warfarin. J Nutr Sci Vitaminol (Tokyo). 2006;52(5):297-301.17190098 · Hsia CH, Shen MC, Lin JS, et al.
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PubMed Central
pmc.ncbi.nlm.nih.gov › articles › PMC5372539
Nattokinase: An Oral Antithrombotic Agent for the Prevention of Cardiovascular Disease - PMC
Nattokinase (NK), a potent blood-clot dissolving protein used for the treatment of cardiovascular diseases, is produced by the bacterium Bacillus subtilis during the fermentation of soybeans to produce Natto. NK has been extensively studied in Japan, Korea, and China.
Find elsewhere
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Examine
examine.com › home › supplements › nattokinase
Nattokinase benefits, dosage, and side effects
March 16, 2026 - Nattokinase is an enzyme derived from the fermented soy food product nattō which appears to have some direct fibrinolytic (blood-clot-busting) activity. It is thought to have cardioprotective effects.
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BIOGENA
biogena.com › nattokinase: benefits, side effects and usage of the enzyme
Nattokinase: Benefits and side effects according to studies | BIOGENA International
2 weeks ago - Nattokinase is generally considered to be a natural substance with few side effects. However, people who are already taking blood-thinning medication should not use nattokinase without medical advice and supervision, as this can increase the effect of the blood-thinning medication and cause unwanted side effects.
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WebMD
webmd.com › diet & weight management › reference
Nattokinase: Health Benefits, Safety Information, Dosage, and More
September 27, 2024 - If you have low blood pressure or take medication to lower your blood pressure, make sure to talk to your doctor before taking nattokinase. ... While nattokinase’s blood clot-fighting abilities may prevent deep vein thrombosis, it shouldn’t ...
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Mayo Clinic Connect
connect.mayoclinic.org › discussion › has-anyone-tried-nattokinase
Has anyone tried nattokinase? | Mayo Clinic Connect
April 18, 2024 - To my knowledge, nattokinase is a supplement that can help resolve blood clots and improve circulation. My holistic doctor brought up starting it. I heard from someone that they were having seizures after COVID, and after starting nattokinase, they have not had a seizure ever since.
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ScienceDirect
sciencedirect.com › science › article › pii › S2213453024001903
Nattokinase as a functional food ingredient: therapeutic applications and mechanisms in age-related diseases - ScienceDirect
October 23, 2024 - NK has shown excellent anti-thrombus, thrombolytic, and anti-inflammation activities that potentially delay aging and provide therapeutic effects on aging-related diseases. In this review, we critically overview the experimental and clinical ...
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Bio Absorb Nutraceuticals
bioabsorbnutraceuticals.com › home › nattokinase guide › what is nattokinase? the complete guide to benefits, dosage, and safety
What Is Nattokinase? The Complete Guide to Benefits, Dosage, and Safety
Nattokinase Enzyme
Non-GMO nattokinase enzyme (natto extract) for cardiovascular health support. 100mg per serving, 2000 FU activity, 60 or 180 veggie capsules (60-day or 180-day supply). DRcaps delayed-release technology. Free of Vitamin K2. Manufactured in Canadian GMP-certified facility, third-party tested.
Price   $28.18
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Dr Brad Stanfield
drstanfield.com › blogs › articles › nattokinase-benefits-forms-dosing-and-side-effects
Nattokinase: Benefits, Forms, Dosing, and Side Effects – Dr Brad Stanfield
April 6, 2026 - Deep vein thrombosis prevention: One study examined a combination of nattokinase and Pycnogenol (pine bark extract) in men and women at high risk for deep vein thrombosis (DVT) who were not taking anticoagulant or anti-thrombotic medication.
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RxList
rxlist.com › supplements › nattokinase.htm
Nattokinase: Health Benefits, Side Effects, Uses, Dose & Precautions
June 11, 2021 - Medications that slow blood clotting (Anticoagulant / Antiplatelet drugs)Interaction Rating: Moderate Be cautious with this combination.Talk with your health provider. Nattokinase can decrease blood clotting.
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PubMed Central
pmc.ncbi.nlm.nih.gov › articles › PMC11266782
Nattokinase Supplementation and Cardiovascular Risk Factors
Checking your browser before accessing pmc.ncbi.nlm.nih.gov · Click here if you are not automatically redirected after 5 seconds
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Taylor & Francis Online
tandfonline.com › home › all journals › bioscience › biotechnology & biotechnological equipment › list of issues › volume 37, issue 1 › understanding the concept of nattokinase ....
Full article: Understanding the concept of Nattokinase use: a few years after beginning
Antiplatelet and antithrombotic medications are used for secondary prophylaxis. In patients with cardiac pathology (persistent or paroxysmal atrial fibrillation), the so-called new anticoagulants (NOACs) or Acenocoumarol are indicated [Citation1, Citation2]. Nattokinase is a proteolytic fibrinolytic enzyme that is derived from the traditional Japanese food Natto.
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iHerb
iherb.com › blog › nattokinase-benefits-and-supplements › 1883
Nattokinase: Benefits and Supplements | Wellness Hub
April 23, 2024 - Nattokinase, anenzymeproduced by natto, has many health benefits and is ideal for people who wish to support cardiovascular health, thin the blood, and break up blood clots. Nattokinase is commonly consumed by eating natto, but some opt ...
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Effective Health Care
effectivehealthcare.ahrq.gov › get-involved › nominated-topics › spike-protein-inhibition
Nattokinase and Spike Protein Inhibition | Effective Health Care (EHC) Program
The mRNA injections also cause a variety of short and long term health complications, including suppressed immune system, increased vulnerability to the SARS-CoV-2 virus, blood clots, heart damage, increased risk of stroke, increased risk of cancer, and many others. Nattokinase has been shown to inhibit function of the spike protein.
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Ageimmune
ageimmune.com › nattokinase-benefits
Nattokinase Benefits: Circulation, Clots, and Heart Health | AgeImmune
AgeImmune Nattokinase 4000 FU (200 mg) – Cardiovascular Support
High-potency nattokinase enzyme supplement (200 mg / 4000 FU per serving) formulated to support healthy circulation, fibrin breakdown, cardiovascular health and post-illness recovery, made without unnecessary fillers.
Price   $21.99