Overview

SCIENTIFIC SCORE
Moderately Effective
Based on 4 Researches
8.5
USERS' SCORE
Good
Based on 54 Reviews
8.8
Supplement Facts
Serving Size: 1 Veggie Capsule
Amount Per Serving
%DV
Nattokinase (from fibrinase enzymes)
2,000 FU**

Top Medical Research Studies

8
Nattokinase promotes stroke recovery
We explored how nattokinase, a serine protease derived from the traditional food natto, can benefit individuals who have experienced strokes, particularly focusing on cognitive recovery. Our study specifically aimed to uncover whether nattokinase can act as an anti-post-stroke cognitive impairment (PSCI) agent by influencing blood factors that are crucial for brain health.

The results were telling. We discovered that nattokinase has protective effects against acute ischemic strokes and plays a significant role in promoting neurogenesis, which is the process of generating new brain cells. Through experiments conducted on rat models, we observed that nattokinase notably increases irisin levels in peripheral blood. Irisin is a protein that has emerged as an interesting player in enhancing cognitive functions.

By linking the increased levels of irisin to improved cognitive abilities, our findings suggest that nattokinase could be a promising therapy for those suffering from PSCI, positioning irisin as a potential target for treatment. Overall, our research highlights the exciting possibilities that nattokinase offers in the realm of stroke recovery and brain health.
Read More
9
Nattokinase shows promise in stroke
We examined how nattokinase (NK), a powerful enzyme, can benefit patients who suffer from strokes. Our research focused on the effects of NK in a model of transient middle cerebral artery occlusion (tMCAO), which simulates ischemic stroke and its aftermath. By administering different doses of NK to rats before they underwent surgery, we wanted to see if it could reduce brain damage and improve recovery.

Our observations revealed that NK treatment significantly reduced the size of brain injury and enhanced recovery from neurological issues. It also helped lower levels of harmful pro-inflammatory and coagulation substances while reducing oxidative stress markers in the affected brain area. These findings show NK’s potential in protecting the brain from the damaging effects of stroke.

Furthermore, we explored NK's protective properties in laboratory tests simulating neuron injury due to lack of oxygen and glucose. We found that it was effective in countering cell death across these models, working through various biological pathways. However, when we blocked NK's activity with a specific inhibitor, we noticed that its protective effects vanished, demonstrating that NK's enzymatic activity is crucial for its benefits.

Overall, this study highlights the multi-faceted protective role of nattokinase in brain injuries caused by ischemic events, confirming its potential as a therapeutic agent in stroke treatment.
Read More
8
Nattospes aids stroke recovery safely
We conducted a single-blinded randomized controlled trial involving 61 patients recovering from ischemic stroke. We tested Nattospes as a supplement alongside standard treatments such as electroacupuncture.

After 60 days, both the Nattospes and control groups showed significant improvements in physical activities, blood pressure, and quality of life. While Nattospes demonstrated beneficial effects on stroke symptoms, it’s important to note that no adverse effects were reported.

The results suggest that Nattospes can safely support stroke recovery. These findings encourage further research into Nattospes as a potential supplement in cardiovascular disease management.
Read More

Most Useful Reviews

9.5
Hydrates blood effectively
I use nattokinase instead of aspirin for thick blood, enhancing its fluidity. High blood viscosity poses a risk for strokes, hence I take it in the evening and on an empty stomach in the morning. It helps me forget my blood pressure issues!
Read More
9.5
Saved from illness
This product is excellent. After having a stroke, I experienced significant personality changes. I took a regimen of Nattokinase and Serrapeptase, alongside Niacinamide, and now my memory and personality have returned to what they were in my youth. I am truly grateful to be alive and well at 65.
Read More
9.5
Effective for stroke prevention
I use nattokinase as an alternative to aspirin for my thick blood, which can lead to strokes. I take it before bed and on an empty stomach for optimal results.
Read More

Medical Researches

SCIENTIFIC SCORE
Moderately Effective
Based on 4 Researches
8.5
  • All Researches
9
Nattokinase shows promise in stroke
We examined how nattokinase (NK), a powerful enzyme, can benefit patients who suffer from strokes. Our research focused on the effects of NK in a model of transient middle cerebral artery occlusion (tMCAO), which simulates ischemic stroke and its aftermath. By administering different doses of NK to rats before they underwent surgery, we wanted to see if it could reduce brain damage and improve recovery.

Our observations revealed that NK treatment significantly reduced the size of brain injury and enhanced recovery from neurological issues. It also helped lower levels of harmful pro-inflammatory and coagulation substances while reducing oxidative stress markers in the affected brain area. These findings show NK’s potential in protecting the brain from the damaging effects of stroke.

Furthermore, we explored NK's protective properties in laboratory tests simulating neuron injury due to lack of oxygen and glucose. We found that it was effective in countering cell death across these models, working through various biological pathways. However, when we blocked NK's activity with a specific inhibitor, we noticed that its protective effects vanished, demonstrating that NK's enzymatic activity is crucial for its benefits.

Overall, this study highlights the multi-faceted protective role of nattokinase in brain injuries caused by ischemic events, confirming its potential as a therapeutic agent in stroke treatment.
Read More
9
Nattokinase effective in atherosclerosis management
We investigated how nattokinase, an oral supplement, impacts carotid artery health and lipid levels in patients. Over 26 weeks, participants were randomly assigned to receive either nattokinase or statins. Both groups saw reductions in carotid artery thickness and plaque size, but nattokinase outperformed statins in plaque reduction.

While both treatments lowered cholesterol and triglyceride levels, statins achieved greater reductions. Interestingly, nattokinase raised good cholesterol levels, unlike statins. Our study suggests that nattokinase could be a promising alternative in managing atherosclerosis and reducing stroke risk.
Read More
8
Nattokinase promotes stroke recovery
We explored how nattokinase, a serine protease derived from the traditional food natto, can benefit individuals who have experienced strokes, particularly focusing on cognitive recovery. Our study specifically aimed to uncover whether nattokinase can act as an anti-post-stroke cognitive impairment (PSCI) agent by influencing blood factors that are crucial for brain health.

The results were telling. We discovered that nattokinase has protective effects against acute ischemic strokes and plays a significant role in promoting neurogenesis, which is the process of generating new brain cells. Through experiments conducted on rat models, we observed that nattokinase notably increases irisin levels in peripheral blood. Irisin is a protein that has emerged as an interesting player in enhancing cognitive functions.

By linking the increased levels of irisin to improved cognitive abilities, our findings suggest that nattokinase could be a promising therapy for those suffering from PSCI, positioning irisin as a potential target for treatment. Overall, our research highlights the exciting possibilities that nattokinase offers in the realm of stroke recovery and brain health.
Read More
8
Nattospes aids stroke recovery safely
We conducted a single-blinded randomized controlled trial involving 61 patients recovering from ischemic stroke. We tested Nattospes as a supplement alongside standard treatments such as electroacupuncture.

After 60 days, both the Nattospes and control groups showed significant improvements in physical activities, blood pressure, and quality of life. While Nattospes demonstrated beneficial effects on stroke symptoms, it’s important to note that no adverse effects were reported.

The results suggest that Nattospes can safely support stroke recovery. These findings encourage further research into Nattospes as a potential supplement in cardiovascular disease management.
Read More

User Reviews

USERS' SCORE
Good
Based on 54 Reviews
8.8
  • All Reviews
  • Positive Reviews
  • Negative Reviews
9.5
Hydrates blood effectively
I use nattokinase instead of aspirin for thick blood, enhancing its fluidity. High blood viscosity poses a risk for strokes, hence I take it in the evening and on an empty stomach in the morning. It helps me forget my blood pressure issues!
Read More
9.5
Saved from illness
This product is excellent. After having a stroke, I experienced significant personality changes. I took a regimen of Nattokinase and Serrapeptase, alongside Niacinamide, and now my memory and personality have returned to what they were in my youth. I am truly grateful to be alive and well at 65.
Read More
9.5
Effective for stroke prevention
I use nattokinase as an alternative to aspirin for my thick blood, which can lead to strokes. I take it before bed and on an empty stomach for optimal results.
Read More
10
Long-term health investment
Nattokinase is an ongoing investment in health, gently thinning blood to prevent strokes and improve overall well-being. My family and I have seen its positive effects.
Read More
9
Cost-effective treatment
I started using nattokinase after a brain MRI showed clots causing minor strokes. It’s a natural alternative to aspirin that I've found economical and effective, even though I haven’t had my blood thickness checked again.
Read More

Frequently Asked Questions

A stroke occurs when the blood supply to a part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients. This can happen in two primary ways: an ischemic stroke, which occurs when a blood vessel supplying blood to the brain is obstructed, often due to a blood clot; and a hemorrhagic stroke, which occurs when a blood vessel in the brain bursts, leading to bleeding in or around the brain. The severity and outcome of a stroke can vary widely depending on the type, location, and amount of brain tissue affected, as well as the speed with which medical treatment is received.

Recognizing the symptoms of a stroke is crucial for prompt treatment and recovery. Common signs include sudden numbness or weakness in the face, arm, or leg, especially on one side of the body, confusion, trouble speaking or understanding speech, vision problems in one or both eyes, and difficulty walking, which may include dizziness or loss of balance coordination. The acronym FAST can help remember the key signs: Face drooping, Arm weakness, Speech difficulty, and Time to call emergency services. If you or someone you know exhibits these symptoms, it's vital to seek immediate medical attention, as timely intervention can significantly improve outcomes.

Nattokinase is an enzyme extracted from a traditional Japanese food called natto, which is made from fermented soybeans. This enzyme is thought to have potential health benefits, primarily for cardiovascular health. Nattokinase is believed to support the breakdown of fibrin in the blood, which can help improve circulation and reduce the risk of blood clot formation. As a dietary supplement, it is often marketed for its possible ability to promote healthy blood flow and cardiovascular function.

While some studies suggest that nattokinase may help reduce blood pressure and enhance overall heart health, research is still ongoing. As with any supplement, it is essential to consult with a healthcare professional before adding nattokinase to your regimen, especially if you are on blood-thinning medications or have underlying health conditions. Overall, while nattokinase might offer some intriguing health benefits, more comprehensive studies are needed to fully understand its efficacy and safety profile.

Based on user reviews, the timeframe for seeing results from taking nattokinase as a supplement for stroke prevention can vary. Many users report positive effects after a few days, with some experiencing improvements in their condition and symptoms in as little as that time frame. For instance, one reviewer mentioned a significant improvement in discomfort within a few days of starting the supplement (Read Review). Others, however, suggest that it may take a longer duration of consistent use, with some users taking the supplement for several months or even years without any adverse effects and experiencing sustained benefits (Read Review).

Interestingly, many long-term users, some reporting over ten years of use, indicate that nattokinase has played a significant role in stabilizing their health and preventing further incidents related to strokes (Read Review). This suggests that while initial benefits may appear relatively quickly, the most substantial and lasting effects could be observed over longer treatment periods. Therefore, users considering nattokinase for stroke should remain consistent and patient, as the results can develop over time.

Nattokinase has emerged as a noteworthy supplement in the realm of stroke recovery, demonstrating strong scientific backing for its potential benefits. Research has shown that nattokinase can significantly reduce brain injury and aid recovery following ischemic strokes in animal models. A study involving transient middle cerebral artery occlusion indicated that the enzyme not only diminished brain damage but also lowered harmful pro-inflammatory substances and oxidative stress markers, showcasing its protective properties in stroke incidents [1]. Furthermore, its role in promoting neurogenesis and cognitive recovery post-stroke has been highlighted through experiments indicating increased levels of irisin, a protein associated with enhanced cognitive function [2].

Additional studies, including a randomized controlled trial, reinforce these findings by demonstrating that Nattospes, a supplement containing nattokinase, supports physical activity, quality of life, and overall stroke recovery without adverse effects [3]. These compelling results suggest that nattokinase may serve as a promising therapeutic agent in the cardiovascular and neurological health landscape. Given its ability to improve both physical and cognitive outcomes after strokes, further research into its application and effectiveness could significantly benefit stroke rehabilitation strategies.

Users have reported a range of improvements in their symptoms after incorporating nattokinase into their health routines, particularly in relation to blood viscosity and stroke prevention. Many individuals share experiences of having switched from traditional medications like aspirin or Warfarin to nattokinase, citing advantages such as improved blood fluidity and the absence of side effects. For example, one user noted that after replacing Warfarin with nattokinase, they no longer experienced blood spots under their skin and felt overall stability in their health (Read Review). Similarly, those who have suffered strokes reported no further clotting issues after consistently using the supplement (Read Review).

Additionally, several reviewers mentioned an enhancement in cognitive functions and general health improvements, especially following previous stroke incidents. For instance, a user reported that their mother experienced cognitive improvement after taking three daily capsules, which likely helped prevent another stroke (Read Review). While individual results can vary, these anecdotal experiences indicate that nattokinase may serve as a beneficial alternative for maintaining cardiovascular health and preventing serious complications associated with stroke.

Users have reported significant benefits from combining nattokinase with other supplements or medications to handle stroke risk and symptoms. Notably, some users have switched from traditional blood thinners like aspirin and Warfarin to nattokinase, citing fewer side effects and improved outcomes. For example, one user stated that after transitioning from Warfarin to nattokinase, they noticed no further blood spots and felt overall stability in their health (Read Review). Others highlighted that nattokinase helped them maintain normal blood viscosity and circulation while eliminating concerns of clotting issues after strokes (Read Review).

Additionally, several individuals reported positive interactions with other supplements, particularly omega-3 fatty acids. One user noted that their father experienced improved health post-stroke after replacing aspirin with nattokinase and taking it alongside omega-3 (Read Review). This suggests a collaborative effect on cardiovascular health, emphasizing the holistic approach users are taking by combining nattokinase with other supportive dietary choices. Overall, the evidence from user experiences points to nattokinase not only as a standalone option for stroke prevention but also as a synergistic partner with other health supplements.

Based on user reviews, the appropriate dose of Nattokinase for treating stroke prevention generally appears to range from two to four capsules daily. Many users report taking two capsules in the morning and two in the evening to maintain continued effectiveness and optimal blood thinning properties (Read Review), (Read Review). Some users have described their experience as beneficial, noting that after switching to Nattokinase from conventional blood thinners like aspirin, they experienced no adverse effects and reported a sense of stability in their health conditions (Read Review), (Read Review).

Users suggest taking Nattokinase on an empty stomach, particularly in the morning, and some also recommend evening doses for the best results (Read Review), (Read Review). Overall, there is a consensus among users that, when used properly as a replacement for conventional blood thinners, Nattokinase contributes to better cardiovascular health and helps reduce the risk of stroke recurrence.

9.5
Post-Covid benefits
Nattokinase is highly beneficial post-Covid. It dissolves fibrin, reducing blood viscosity and clots, thereby preventing stroke and heart issues. In my experience, after taking it, a prior discomfort in my leg improved significantly within a few days. It's a safe, natural alternative to other blood thinners.
9.5
No side effects
I have been using Nattokinase for three years after suffering a stroke. I replaced Warfarin with Nattokinase and have experienced no side effects and no more blood spots under my skin. It works perfectly for me.
9.5
Supports circulation
I have taken Nattokinase for over ten years following my stroke. It supports normal circulation, blood flow, and blood viscosity.
9.5
Stops clotting issues
After suffering a stroke, I started using nattokinase instead of aspirin and have had no clotting issues since. I take four capsules daily and feel great about this alternative.
8.3
Cognitive recovery support
Nattokinase helps maintain healthy fibrin levels, crucial for preventing stroke-related risks. My mother, who suffered a stroke, improved cognitively after three daily capsules, preventing recurrence. Regular intake may help dissolve blood clots and ensure better overall health outcomes.
8.8
Natural blood thinner
After my father’s stroke, we chose nattokinase instead of aspirin which caused bleeding issues. It’s safer, has improved his condition, and works well alongside Omega 3.
9.5
Stroke prevention
I was experiencing TIA's and a minor stroke when I started taking Nattokinase several years ago. Since then, I haven't had any further incidents. I take four capsules daily, two in the morning and two in the evening.
8.8
Reduced recurrence
I had a mini stroke five years ago. After reading about the benefits of Natto, I decided to try it and have been taking it twice a day since. I have not had a recurrence of the mini stroke and intend to continue taking it.
9.5
Hydrates blood effectively
I use nattokinase instead of aspirin for thick blood, enhancing its fluidity. High blood viscosity poses a risk for strokes, hence I take it in the evening and on an empty stomach in the morning. It helps me forget my blood pressure issues!
9.5
Effective for stroke prevention
I use nattokinase as an alternative to aspirin for my thick blood, which can lead to strokes. I take it before bed and on an empty stomach for optimal results.
9
Nattokinase shows promise in stroke
We examined how nattokinase (NK), a powerful enzyme, can benefit patients who suffer from strokes. Our research focused on the effects of NK in a model of transient middle cerebral artery occlusion (tMCAO), which simulates ischemic stroke and its aftermath. By administering different doses of NK to rats before they underwent surgery, we wanted to see if it could reduce brain damage and improve recovery.

Our observations revealed that NK treatment significantly reduced the size of brain injury and enhanced recovery from neurological issues. It also helped lower levels of harmful pro-inflammatory and coagulation substances while reducing oxidative stress markers in the affected brain area. These findings show NK’s potential in protecting the brain from the damaging effects of stroke.

Furthermore, we explored NK's protective properties in laboratory tests simulating neuron injury due to lack of oxygen and glucose. We found that it was effective in countering cell death across these models, working through various biological pathways. However, when we blocked NK's activity with a specific inhibitor, we noticed that its protective effects vanished, demonstrating that NK's enzymatic activity is crucial for its benefits.

Overall, this study highlights the multi-faceted protective role of nattokinase in brain injuries caused by ischemic events, confirming its potential as a therapeutic agent in stroke treatment.
8
Nattokinase promotes stroke recovery
We explored how nattokinase, a serine protease derived from the traditional food natto, can benefit individuals who have experienced strokes, particularly focusing on cognitive recovery. Our study specifically aimed to uncover whether nattokinase can act as an anti-post-stroke cognitive impairment (PSCI) agent by influencing blood factors that are crucial for brain health.

The results were telling. We discovered that nattokinase has protective effects against acute ischemic strokes and plays a significant role in promoting neurogenesis, which is the process of generating new brain cells. Through experiments conducted on rat models, we observed that nattokinase notably increases irisin levels in peripheral blood. Irisin is a protein that has emerged as an interesting player in enhancing cognitive functions.

By linking the increased levels of irisin to improved cognitive abilities, our findings suggest that nattokinase could be a promising therapy for those suffering from PSCI, positioning irisin as a potential target for treatment. Overall, our research highlights the exciting possibilities that nattokinase offers in the realm of stroke recovery and brain health.
8
Nattospes aids stroke recovery safely
We conducted a single-blinded randomized controlled trial involving 61 patients recovering from ischemic stroke. We tested Nattospes as a supplement alongside standard treatments such as electroacupuncture.

After 60 days, both the Nattospes and control groups showed significant improvements in physical activities, blood pressure, and quality of life. While Nattospes demonstrated beneficial effects on stroke symptoms, it’s important to note that no adverse effects were reported.

The results suggest that Nattospes can safely support stroke recovery. These findings encourage further research into Nattospes as a potential supplement in cardiovascular disease management.

References

  1. Yang XY, Wang SL, Xue WC, Zhang YP, Li LL, et al. Nattokinase's Neuroprotective Mechanisms in Ischemic Stroke: Targeting Inflammation, Oxidative Stress, and Coagulation. Antioxid Redox Signal. 2025;42:228. doi:10.1089/ars.2023.0527
  2. Wu H, Zhang Q, Xu P, Chen J, Duan L, et al. Nattokinase Promotes Post-stroke Neurogenesis and Cognition Recovery via Increasing Circulating Irisin. J Agric Food Chem. 2023;71:11418. doi:10.1021/acs.jafc.2c08718
  3. Pham PT, Han B, Hoang BX. Nattospes as Effective and Safe Functional Supplements in Management of Stroke. J Med Food. 2020;23:879. doi:10.1089/jmf.2019.0183
  4. Ren NN, Chen HJ, Li Y, Mcgowan GW, Lin YG. [A clinical study on the effect of nattokinase on carotid artery atherosclerosis and hyperlipidaemia]. Zhonghua Yi Xue Za Zhi. 2017;97:2038. doi:10.3760/cma.j.issn.0376-2491.2017.26.005
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