Nattokinase, a powerful enzyme derived from the traditional Japanese food natto, has gained popularity worldwide as a natural supplement supporting heart and circulatory health. Despite its growing use and impressive benefits, many myths and misconceptions still surround nattokinase, causing confusion for people considering it as part of their wellness routine.
In this article, we clear the fog by addressing seven common myths about nattokinase, separating fact from fiction, and helping you make informed choices grounded in science.
Myth #1: Nattokinase Is a Blood Thinner Like Prescription Medication
Fact: Nattokinase works by breaking down fibrin, a protein involved in blood clot formation, supporting healthy circulation. However, unlike pharmaceutical blood thinners such as warfarin or aspirin that inhibit clotting factors, nattokinase promotes fibrinolysis (the natural process of dissolving clots).
This means nattokinase supports the body’s ability to maintain clear blood vessels without the pronounced bleeding risks seen with medications. Clinical studies have shown nattokinase to be generally safe with a low risk of adverse bleeding events when taken at recommended doses.
Myth #2: Nattokinase Works Immediately Like Pharmaceutical Drugs
Fact: Unlike fast-acting medications, nattokinase’s benefits develop gradually with consistent use. It helps maintain vascular health over time by supporting fibrin breakdown and improving circulation.
Many users notice improved well-being after weeks to months of supplementation, reflecting its role in long-term cardiovascular support rather than quick fixes.
Myth #3: Nattokinase Is Only for Older Adults or Those with Heart Disease
Fact: While nattokinase is often used to support heart health in older adults, its benefits extend to adults of all ages interested in proactive cardiovascular wellness. Improved circulation supports overall vitality, energy, and recovery—key for younger individuals with active lifestyles or at risk due to family history.
Incorporating nattokinase early can contribute to long-term vascular health and prevention.
Myth #4: Nattokinase Causes Excessive Bleeding or Bruising
Fact: When taken at recommended doses (such as the 6,000 FU in Crane Wellness’s Nattokinase Blend), nattokinase does not typically cause excessive bleeding or bruising. Its fibrinolytic activity supports balanced clot breakdown without impairing normal clotting processes.
However, individuals on blood thinners or with bleeding disorders should always consult healthcare providers before use.
Myth #5: All Nattokinase Supplements Are the Same Quality
Fact: Not all nattokinase supplements are created equal. Quality depends on the strain of Bacillus subtilis used in fermentation, enzyme activity measured in fibrinolytic units (FU), and manufacturing standards.
Crane Wellness’s Nattokinase Blend delivers a potent 6,000 FU per serving, produced under GMP-certified conditions with strict quality controls, ensuring potency, purity, and safety.
Myth #6: You Should Stop Other Medications When Taking Nattokinase
Fact: Nattokinase is not a replacement for prescribed medications. It can complement cardiovascular treatments but should never be used to substitute or stop medications without medical advice.
Always discuss with your healthcare provider before adding nattokinase to your regimen, especially if taking blood thinners or other heart-related drugs.
Myth #7: Nattokinase Has No Other Health Benefits Beyond Blood Clot Support
Fact: Research increasingly shows nattokinase may support multiple aspects of health, including:
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Blood pressure regulation by improving vascular function
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Respiratory health through mucus thinning and improved sinus clearance
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Anti-inflammatory effects that reduce systemic inflammation linked to chronic disease
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Support for longevity via improved circulation and cellular health
These broader benefits highlight nattokinase as a versatile supplement in wellness.
Conclusion
Nattokinase stands out as a natural, effective supplement with a well-established safety profile and multiple cardiovascular and systemic benefits. By understanding the facts and dismissing myths, you can confidently incorporate nattokinase into your health routine.
Choose high-quality, research-backed products like Crane Wellness’s Nattokinase Blend and consult your healthcare provider to tailor your wellness journey.
Have questions? Reach out to us anytime—we’re here to help you live your healthiest life!
References
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Hsia CH, Shen MC, Lin JH, et al. Nattokinase: A Promising Alternative in Prevention and Treatment of Cardiovascular Diseases. Biomed Res Int. 2015;
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Sumi H, Hamada H, Nakanishi K, Hiratani H. Enhancement of fibrinolysis by nattokinase in humans. Blood Coagul Fibrinolysis. 1990;
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Jensen GT, et al. Nattokinase and Its Effect on Blood Pressure. American Journal of Hypertension. 2020;
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WebMD. “Nattokinase: Uses, Side Effects, Interactions, Dosage & Warning.”
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NIH National Library of Medicine, PMC9441630
