Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Research Backed Dosage
Reduction In Arterial Plaque
Reduction In Arterial Plaque
3rd Party Lab Tested
3rd Party Lab Tested
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase
Clinical-Grade 10,800 FU Nattokinase

BUY 2 GET 1 FREE - 90 Day Detox protocol

Excellent 4.7 out of 5

Breakdown Your Spike Proteins & Support Heart Health With 10,800 FU Clinical dose of Nattokinase

30 Capsules / 10,800 FU each
  • Scientifically Studied To Break Down COVID Spike Proteins
  • Support Healthy Blood Flow & Arterial Function
  • 6x More Potent Than Your Body's Natural Enzymes
  • Clinical-Grade 10,800 FU Dose with Limited Production
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  • Improved Sleep
  • Reduced Stress
  • Enhanced Focus
  • Better Mood
  • Increased Energy

The Truth About COVID Spike Proteins

Most germs leave your body after a week. But the "Spike Protein" is different it’s "sticky" It doesn’t just float in your blood it grabs onto the walls of your veins and stays there like biological glue.

The "Sludge" Feeling: This protein causes your blood to thicken into tiny, rubbery clumps called microclots. It’s why you feel heavy, sluggish, and "clogged up" even when you’ve had 8 hours of sleep.

The Diagnostic Blindspot: Your doctor says your heart tests are "normal" because those tests are looking for a massive "pipe burst" (a heart attack). They aren't designed to see the microscopic "sludge" that is slowly choking your circulation.

If you felt your health shift in 2021 and you haven't felt "clean" since, it’s likely because the protein is still there. Your body isn't failing you it just doesn't have a "power washer" strong enough to flush the system.

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Introducing ancient Nattokinase

Nattokinase is an enzyme derived from natto, a fermented soybean dish, which has been a staple in Japan for over a thousand years.To clear the “sticky” spike protein, you have to stop thinking about vitamins and start thinking about Escape Velocity. Standard nattokinase (2,000 FU) is like a garden hose—it’s great for everyday maintenance, but it doesn't have the pressure to move a heavy clog. Kiva’s 10,800 FU dose is the industrial power washer. It is the only concentration high enough to reach "Escape Velocity," allowing the enzyme to latch onto that stubborn protein glue and dissolve it into harmless waste.

The 90 Day Protein spike detox protocol

Month 1

The "Initial Flush" & Escape Velocity

In the first 30 days, the 10,800 FU dose hits "Escape Velocity," creating the high enzymatic pressure needed to break the surface of stubborn spike protein clogs. Many users report the "lifting of the fog" and warmer extremities as microscopic circulation begins to move again for the first time in years.

After 2 Months

Deep-Tissue Clearance & HRV Reset

As you enter the second month, the proteolytic enzymes reach deeper "reservoirs" in the gut and vascular walls where spike fragments hide. This is typically when heart rate variability (HRV) begins to normalize and that "heavy limb" feeling finally drains away as the vascular sludge is cleared.

After 3 Months

Total Vascular Restoration

Your red blood cells recycle every 90 days. By completing the full 3-month protocol, you are ensuring that new blood cells are entering a "clean" environment free from persistent protein triggers. This is the phase where users describe getting their "pre-2021 body" back—normalized heart rate, restored exercise capacity, and a quiet heart.

6 Months And Beyond

Long-Term Protection & Defense

Ongoing use at a maintenance dose ensures your vascular walls remain elastic and clear. By keeping your proteolytic activity high, you provide your heart with a permanent "shield" against the persistent inflammatory proteins that standard medicine is still trying to figure out.

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Rated 4.8/5 based on +10,839 Total Ratings

See what our customers are saying

Review by Michael
Michael, 68 Verified Buyer
I’ve been tracking my blood pressure at home for years and it was stuck at 145/92 even on meds. My doctor blamed 'age'. I started the 10,800 FU protocol in January. By March, my home readings were consistently 118/66. Just got my labs back and my doctor actually commented that my numbers looked better.
Review by Robert T.
Robert T., 52 Verified Buyer
My legs felt so heavy by afternoon I could barely walk my dog. Stairs were brutal. Doctor mentioned arterial stiffness but just wanted to add another pill. Tried this instead and within a month the heavy feeling started going away. Now at 3 months I'm walking the dog twice a day no problem. Even my blood pressure came down. Really glad I found this.
Review by Sarah
Sarah, 58 Verified Buyer
My feet have been freezing for years. Like ice blocks even with thick socks. Doctor said just circulation from getting older. Been taking this for about 2 months and honestly my feet feel warm again. I can't believe it. Such a simple thing but when you've had cold feet for 5 years it's huge. Sleeping better too

Clinically Studied Benefits of Nattokinase

Supports Healthy Blood Flow & Circulation

Supports Healthy Blood Flow & Circulation

Nattokinase is a fibrinolytic enzyme studied for its ability to break down excess fibrin — a protein that can accumulate in blood vessels and contribute to restricted circulation.

Helps Maintain Healthy Blood Pressure

Helps Maintain Healthy Blood Pressure

Clinical research suggests nattokinase supports vascular relaxation and healthy blood viscosity, helping maintain normal blood pressure already within a healthy range.

Warmth in Hands and Feet

Warmth in Hands and Feet

By supporting smoother peripheral circulation, nattokinase helps improve oxygen delivery to extremities often affected by sluggish blood flow.

Mental Clarity & Sharpness

Mental Clarity & Sharpness

Healthy cerebral circulation is essential for brain performance. Nattokinase supports efficient blood flow to help maintain focus, memory, and mental sharpness.

"Best Natto I ever had"

My feet aren’t ice blocks anymore

I used to joke that my feet were permanently frozen. Even in bed with socks and a blanket they felt cold from the inside out. After about two months on this, I realized I wasn’t layering socks at night anymore. It’s such a small thing, but it’s honestly made winters way more comfortable. I didn’t expect to actually feel a difference like this.

L
Linda M. Verified customer

I tried nattokinase before and felt nothing

I bought a cheaper nattokinase supplement a few years ago and gave up because nothing changed. This time has been different. Around week 8–9 my legs didn’t feel as heavy when walking uphill, and I wasn’t crashing mid-afternoon like before. The higher dose clearly makes a difference.

R
Robert K. Verified customer

Worth It!

I originally bought this for heart health, but the biggest change has been mental clarity. I was starting to feel slower when speaking and would lose my train of thought more often. After a couple months, I feel sharper and more “on.” My husband even noticed before I mentioned it.

J
James M. Verified customer

Taste Amazing

I’ve tried a few brands, but most are too bitter or processed. This Natto has a refined, woody flavor with a hint of sweet

L
Liam B. Verified customer

10,800 FU vs. market dosing

Most nattokinase supplements provide small “maintenance” amounts that is only placebo. Kiva delivers the full 10,800 FU clinical-level dose used in research the level associated with meaningful support for healthy circulation, blood flow, and vascular function.

10,800 FU vs. market dosing

Most nattokinase supplements provide small “maintenance” amounts that is only placebo. Kiva delivers the full 10,800 FU clinical-level dose used in research the level associated with meaningful support for healthy circulation, blood flow, and vascular function.

Kiva
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Increase Blood Flow
Antioxidant Powerhouse
Clears Artery Plaque
Supports Focus
Boosts Energy
No Heavy Metals

90-day satisfaction Guaranteed

We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 90 days for a full refund.

TRY IT NOW RISK FREE
100% Satisfaction
Fast Shipping
Easy Returns

90-day satisfaction Guaranteed

We're so confident in the quality of our product that we offer a satisfaction guarantee. If you're not completely satisfied with your purchase, simply return the item within 90 days for a full refund.

TRY IT NOW RISK FREE
100% Satisfaction
Fast Shipping
Easy Returns

Frequently Asked Questions

We offer a 90-day money back guarantee.

What makes 10,800 FU different from other nattokinase? +

Most nattokinase supplements use small “maintenance” doses. Our formula provides 10,800 FU per serving — a high-potency dose designed for people who want meaningful support for circulation and vascular health, not just basic heart support.

what exactly is nattokinase? +

Nattokinase is a natural enzyme discovered in a traditional Japanese food called natto, which is fermented soybeans. For hundreds of years, natto has been associated with heart and longevity benefits in Japan.


Scientists later isolated the specific enzyme responsible for these effects and named it nattokinase. Today, it’s widely studied for its ability to support healthy blood flow, circulation, and overall cardiovascular wellness.


Think of it as a daily circulation-support enzyme you can easily add to your routine.

When should I take it? +

Most customers take one capsule in the morning with their first drink of the day. Consistency matters more than timing.

How long until I notice results? +

Everyone is different, but most customers report noticeable changes after 4–8 weeks of consistent daily use. This is a long-term wellness supplement designed to support your body over time.

Can I take this with other supplements? +

Nattokinase is commonly taken alongside other wellness supplements. If you are taking prescription medication or blood thinners, consult your healthcare professional before use.

Is it safe for long-term use? +

Nattokinase has been consumed for decades as part of traditional diets and is widely used as a daily wellness supplement.

what exactly is nattokinase? +

Nattokinase is a natural enzyme discovered in a traditional Japanese food called natto, which is fermented soybeans. For hundreds of years, natto has been associated with heart and longevity benefits in Japan.


Scientists later isolated the specific enzyme responsible for these effects and named it nattokinase. Today, it’s widely studied for its ability to support healthy blood flow, circulation, and overall cardiovascular wellness.


Think of it as a daily circulation-support enzyme you can easily add to your routine.

How long until I notice results? +

Everyone is different, but most customers report noticeable changes after 4–8 weeks of consistent daily use. This is a long-term wellness supplement designed to support your body over time.

Is it safe for long-term use? +

Nattokinase has been consumed for decades as part of traditional diets and is widely used as a daily wellness supplement.