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“I was on my way to a second blood pressure medication until I found the research dose”

After nine weeks of nattokinase from Amazon, my blood pressure actually got worse. I was approaching 156/96 and my doctor was ready to add another medication. Then I learned the research showed 10,800 FU, not the 2,000 I was taking. I found Purely Nutrient and within 6 weeks, my blood pressure dropped to 128/79—the lowest it’s been in years. My doctor was shocked and told me to keep doing whatever I changed. No second pill. This is real cardiovascular restoration.

—  Michael S., 58, Pennsylvania

4.8/5 based on 4463 reviews

Purely Nutrient Nattokinase 

Purely Nutrient’s Nattokinase is designed to support your body’s natural ability to dissolve fibrin buildup — the hidden cause behind high blood pressure, cold extremities, heavy legs, and declining cardiovascular function.

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30-Day Return Policy

If you don't notice a health boost, we'll refund you within 30 days of the product being delivered to you. No hassle or questions asked.

How does it work?

Nattokinase is a powerful antioxidant compound that supports your body's natural defenses against free radical damage and oxidative stress.* 

 

When Natokinasse enters your cells, it wedges itself across the cell membrane, protecting both the inside and outside simultaneously catching oxidative damage at the source before it accumulates.

 

This cellular-level protection supports skin health, eye comfort, joint mobility, and overall wellness.*

What Does Nattokinase Help With?

Nattokinase is a fibrinolytic enzyme — meaning it goes directly after fibrin, the sticky protein that layers inside artery walls and compacts over decades.

 

When you take research-dose nattokinase (10,800 FU) in a delayed-release capsule, it survives stomach acid and reaches your artery walls intact.

 

Once there, it dissolves hardened fibrin buildup that no blood pressure medication has ever touched, allowing your arteries to naturally widen and blood to flow freely again.

When Will I See Results?

Most people notice improved circulation within 72 hours. By day 7, morning stiffness lifts and energy increases noticeably. By day 14, hands warm, leg swelling reduces. By day 21, blood pressure readings drop measurably. 

 

By day 30, comprehensive cardiovascular improvements are sustained. Individual results may vary.

Who Can Use It? 

Nattokinase is beneficial for adults seeking cardiovascular support, especially those over 40 with concerns about blood pressure, circulation, or arterial health. Particularly effective for anyone taking underdosed nattokinase (2,000-4,000 FU) with no results.

 

Not recommended for children under 12, pregnant or nursing women. Consult your doctor if you take blood thinners or have bleeding disorders.

Results or Full Refund Guarantee? 

We offer a 30-day money-back guarantee. If you don’t experience improved circulation, warmer extremities, lower blood pressure readings, or noticeable cardiovascular support within 30 days, contact our customer support team for a full refund—no questions asked. You don’t even need to return the product. We’re confident the research dose will deliver results.
 

“I was on my way to a second blood pressure medication until I found the research dose”

After nine weeks of nattokinase from Amazon, my blood pressure actually got worse. I was approaching 156/96 and my doctor was ready to add another medication. Then I learned the research showed 10,800 FU, not the 2,000 I was taking. I found Purely Nutrient and within 6 weeks, my blood pressure dropped to 128/79—the lowest it’s been in years. My doctor was shocked and told me to keep doing whatever I changed. No second pill. This is real cardiovascular restoration.

—  Michael S., 58, Pennsylvania

Why Most Nattokinase Supplements Don’t Work

(And Why Ours Actually Does)

You’ve tried nattokinase. Your blood pressure didn’t move. Your hands are still cold. Your legs still feel heavy. Here’s why:

The dose problem. 

The published cardiovascular research showing real results was built on 10,800 FU per day. Not 2,000. Not 4,000. 10,800 FU. That’s the enzyme activity level needed to dissolve deep fibrin buildup inside artery walls. Most brands on the market stop at 2,000 to 4,000 FU—a fraction of the research dose—because authentic Japanese-strain Nattokinase is expensive. Hitting the full research dose cuts into their margins. So they print a smaller number on the front and hide the FU on the back, hoping you won’t ask.*

The capsule problem. 

Nattokinase is a protein. Stomach acid destroys proteins. A standard capsule lets your stomach kill the enzyme before it ever reaches a single artery. You swallow the supplement and it never gets to where it needs to work. Most brands know this and do it anyway because delayed-release capsules cost more.*

The fermentation problem.

Real nattokinase comes from authentic Japanese-strain fermentation using Bacillus subtilis natto — the traditional fermentation behind some of the lowest cardiovascular mortality rates in the developed world. Generic strains produce inconsistent enzyme activity. Most brands don’t even specify the strain on the label because they’re using cheaper alternatives that don’t work as well.*

This Is Where Purely Nutrient Changes Everything:

We deliver the full 10,800 FU research dose—the dose that actually showed results in published studies. More than five times what most brands are willing to give you.

 

We use a delayed-release capsule so the nattokinase survives your stomach acid and reaches your artery walls intact.

 

We use authentic Japanese-strain fermented nattokinase from Bacillus subtilis natto—the same fermentation method used in traditional Japanese cuisine and backed by cardiovascular research.

 

We pair it with Olive Leaf Extract (to support healthy blood pressure), and Pine Bark Extract (to protect your vessel walls).

The result: Real, measurable cardiovascular support. Not a decorative dose. Not a wasted supplement. An enzyme that actually reaches your arteries at the potency shown to work in clinical research.*

Most nattokinase brands print the label and hope you don’t ask the hard questions. Purely Nutrient focuses on the dose, the delivery system, and the fermentation quality that research actually proved.*

Modern Living Is Accelerating Inflammation & Uric Acid

Here’s what’s happening inside your body right now:

 

Fibrin is being deposited on your artery walls every single day. It’s supposed to be there—your body uses it to patch tiny damage and heal micro-tears. But after age 50, something critical stops working: your body’s natural cleanup system slows dramatically.

 

The fibrin stops getting cleared out.

 

It keeps layering. Year after year. Day after day. One molecule on top of another. This is not high blood pressure.  This is the cause of high blood pressure.

71%

of adults over 50 have significant fibrin buildup inside their arteries

buildup that narrows the passages from the inside, restricts blood flow, and forces your heart to work harder just to push blood through narrowed pipes. 

Modern living accelerates this process: processed foods, chronic stress, sedentary lifestyles, environmental toxins, post-50 metabolic decline.

When fibrin keeps compacting inside your arteries:

Your blood pressure climbs — your heart has to work harder to push blood through narrower passages.*

Your legs feel heavy by dinner — circulation is restricted, leaving fluid pooling in your legs.*

Your energy crashes in the afternoon — your brain and organs aren’t getting enough oxygen-rich blood.*

Your heart pounds climbing stairs — it’s fighting against the resistance of narrowed passages.*

Your joints feel stiff in the morning — reduced circulation means less oxygen reaching joint tissue.*

You feel foggy and unfocused — your brain is running on compromised blood flow.*

This is not aging. This is narrowing.

Blood pressure pills force the number down on paper but do nothing about the fibrin itself. The artery stays narrowed. The buildup stays. The cause is never removed. 

Nattokinase: Nature’s Most Powerful Solution For Fibrin Dissolution

For centuries, traditional fermented foods in Japan were associated with cardiovascular vitality. But only when the active enzyme—nattokinase—is isolated at research dose in a delivery system that survives digestion does it deliver the fibrin-dissolving power your arteries need.

With 10,800 FU of authentic Japanese-strain fermented nattokinase + Olive Leaf Extract + Pine Bark Extract, Purely Nutrient delivers what your cardiovascular system needs:

Dissolves Fibrin Buildup Directly

Nattokinase is the only natural compound shown to go directly after fibrin and dissolve it at the artery wall. Unlike blood pressure pills that force a number down, nattokinase addresses the actual narrowing—breaking apart the hardened protein layers that have been compacting inside your arteries for years.*

Reaches Your Artery Walls Intact

The delayed-release capsule shields nattokinase from stomach acid, allowing the full enzyme to survive digestion and reach your bloodstream at peak potency. Once there, it travels directly to the artery walls where fibrin buildup lives and begins dissolving it immediately.*

Supports Natural Blood Pressure

As fibrin dissolves and arterial passages widen, blood moves more freely. Your heart doesn’t have to fight as hard. Blood pressure naturally drops—not from forcing it down with a pill, but from physically clearing the obstruction.*

Restores Warm Circulation

When arteries widen and blood flow increases, your hands and feet warm up. The heaviness in your legs lifts. Circulation reaches places it hasn’t in years.*

Boosts Energy & Mental Clarity

Your brain uses 15% of your body’s oxygen supply. When blood flow improves, oxygen delivery to your brain increases. Afternoon crashes stop. Focus returns. Energy becomes steady and sustained.*

Supports Healthy Cardiovascular Function

As fibrin clears and vessels relax, your entire cardiovascular system functions more efficiently. Your heart works easier. Your organs receive more oxygen-rich blood.*

Protects Vessel Walls

Pine Bark Extract protects arterial walls from oxidative damage. Olive Leaf supports healthy inflammatory response. Together with nattokinase’s dissolving action, they support complete cardiovascular restoration.*

With Purely Nutrient’s full-research-dose nattokinase in a delayed-release capsule, you’re supporting what your cardiovascular system needs to restore function—backed by published research and centuries of traditional use.*

SEE WHY NATTOKINASE IS RESTORING CARDIOVASCULAR HEALTH

PRODUCT FEATURES:

Full Research Dose 

(10,800 FU)

Authentic Japanese-Strain Fermentation (Bacillus subtilis natto)

Delayed-Release Capsule (survives stomach acid)

Research-Backed Formula (clinically studied dose)

Third-Party Tested 

(every batch)

Non-GMO

No Fillers or Additives

Third-Party Tested 

(every batch)

Non-GMO, No Fillers or Additives

WHAT SHOULD I EXPECT FROM CONSISTENT USE?

Hour 72 (Day 3)

1 Week

Nattokinase reaches your artery walls and begins dissolving fibrin. Morning stiffness lifts. Initial energy boost as circulation improves.*

Week 2

2 Weeks

Fibrin dissolution deepens. Cold extremities start warming. The heaviness in your legs reduces. Energy increases noticeably.*

Week 3

1 Month

Your hands are warm. Leg swelling noticeably reduces. Blood flow is improving visibly. Afternoon crashes ease. Circulation feels restored.*

1 Month

2 Months

Comprehensive cardiovascular restoration—warm hands and feet, light legs, stable energy throughout the day, improved blood pressure, healthy circulation, strong heart.*

2 Months

3 Months

All systems sustained—consistent warm extremities, no leg heaviness, steady energy, improved cardiovascular markers, restored blood flow.*

3 Months

6 Months

Long-term fibrin clearance established. Arteries restored to natural width. Cardiovascular system functioning optimally. You feel like a different person.*

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Frequently Asked Questions

Can I buy Purely Nutrient Nattokinase in stores?

Currently, Purely Nutrient Nattokinase is only available online through our official website. This allows us to maintain strict quality control, ensure the full research dose in every capsule, and offer better pricing by eliminating retail markups.

What ingredients are in Purely Nutrient Nattokinase?

Every 2-capsule serving contains: Nattokinase (10,800 FU from authentic Japanese-strain Bacillus subtilis natto fermentation), Olive Leaf Extract (500mg), and Pine Bark Extract (100mg). No fillers, no additives, no artificial ingredients. Just pure, research-dosed nattokinase with cardiovascular-supporting co-nutrients.

Why is the 10,800 FU dose important?

The published cardiovascular research showing real fibrin dissolution and blood pressure support used 10,800 FU per day. Most brands on the market sell 2,000 to 4,000 FU—a fraction of the research dose—because authentic Japanese-strain nattokinase is expensive. At those underdosed levels, the enzyme cannot dissolve deep fibrin buildup effectively. Purely Nutrient delivers the full research dose so nattokinase can actually work at the artery wall level.*

Why do you use a delayed-release capsule?

Nattokinase is a protein, and stomach acid destroys proteins. A standard capsule allows your stomach to destroy the enzyme before it reaches your bloodstream. The delayed-release coating shields nattokinase from stomach acid, allowing it to survive digestion and reach your arteries at full potency. This is the difference between a supplement that works and one that passes through unabsorbed.

Is Purely Nutrient Nattokinase safe to take with my current medications?

Nattokinase is a natural supplement and is generally safe to consume. However, since nattokinase has natural blood-thinning properties, if you’re taking blood thinners (warfarin, aspirin, clopidogrel) or have bleeding disorders, we recommend consulting your doctor before adding it to your routine to ensure compatibility.

How should I store Purely Nutrient Nattokinase?

Store in a cool, dry place away from direct sunlight. Keep the bottle sealed tightly. Do not refrigerate. For best results, use within 24 months of purchase date.

Will Purely Nutrient Nattokinase help lower my blood pressure naturally?

Yes. Nattokinase supports your body’s ability to dissolve fibrin buildup inside artery walls, allowing blood to flow more freely and naturally supporting healthy blood pressure already within normal range.* As arteries widen and circulation improves, blood pressure naturally decreases—not from forcing it down with a pill, but from physically clearing the obstruction.*

How long until I feel results?

Most people notice improved circulation within 72 hours. By day 7, morning stiffness lifts and energy increases. By day 14, hands warm and leg swelling reduces. By day 21, blood pressure readings typically drop measurably. For optimal fibrin dissolution, we recommend consistent daily use for at least 4-6 weeks. Individual results may vary.

How often should I take it?

Take two capsules every morning on an empty stomach with water. Consistency matters—nattokinase works cumulatively, dissolving more fibrin and supporting more cardiovascular restoration the longer you take it daily. Most dramatic changes happen between weeks 3-8 of consistent use.

How many capsules are in each bottle?

Each bottle contains 60 capsules, providing a 1-month supply when taking two capsules per day.

Are there any age or health restrictions?

Nattokinase is beneficial for most adults, especially those seeking cardiovascular support. It is not recommended for children under 12, pregnant or nursing women. If you take blood thinners, have bleeding disorders, or have any health concerns, consult your doctor before use.

What if it doesn’t work for me?

We offer a 30-day money-back guarantee. If you’re not completely satisfied with your cardiovascular results, contact our customer support team within 90 days of purchase for a full refund—no questions asked. You don’t even need to return the product. We’re confident in the research-dose formula.

What is your return policy?

We stand behind our product with a 30-day money-back guarantee. If you’re unsatisfied for any reason, simply contact us within 90 days of your purchase date and we’ll issue a full refund. You don’t even need to return the product.

How can I unsubscribe or pause my subscription?

You have full control over your subscription. Log into your account on our website, or contact our customer support team via email or phone. You can pause, skip, or cancel your subscription at any time with no penalties or fees.

Ships out within 1 business day

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Results may vary. Keep out of reach of children.


Please consult your physician before taking Purely Nutrient if you have a medical condition or are taking any medications.

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EMAIL US: hello@purelynutrient.com

PHONE NUMBER: +1 786 568 8893

CONTACT HOURS:9AM - 5PM EST Monday - Friday

Wellife Brands LLC

19763 E Arrowhead Trail Queen Creek, AZ 85142 United States