Rated 4.7 (137)
Healthy Blood Flow Support
Japanese Nattokinase 10,800 FU
Nattokinase is designed to reduce arterial inflammation - the hidden root cause behind dangerous plaque, “bad" cholesterol buildup, and life-threatening blood clots.
Our clinical-grade 10,800 FU dose dissolves the fibrin buildup inflammation creates - reversing arterial damage
- Supports Healthy Blood Flow & Circulation
- 10,800 FU — Clinical Strength Formula
- Vegan capsules · Non-GMO · Gluten Free
30-Day Money-Back Guarantee
Mike W.
“I tried everything for my high blood pressure: hawthorn, garlic, beet root, cayenne pepper. Wasted two years and nothing worked. Started Meliovo at 10,800 FU and within 10 weeks my BP went from 152/92 to 121/78. This is the real deal.”
THE NUMBER NOBODY EXPLAINS
That's what they tell you, and then the appointment
is over. Watch it. For ten years. From the outside.
Nothing hurts. Nothing shows up on the scale. Whatever is accumulating in there does it quietly, and the first symptom, for about half of men, is the event itself.
Watching isn't a plan. It's just waiting with better paperwork.
Japan has been eating this for breakfast for a thousand years.
It's called natto. Fermented soybeans. Sticky, stringy, and — to most Western noses awful.
In the 1980s, a researcher named Sumi found the reason it matters. Natto contains an enzyme that breaks down fibrin: the protein mesh that thickens blood and gives plaque something to hold onto.
He named it nattokinase.
Japan also has the longest life expectancy in the world, and far fewer deaths from heart disease than we do. Make of that what you will.
Two numbers decide whether a capsule works.
The second number is zero — the amount of enzyme that survives your stomach in an ordinary capsule. Nattokinase is a protein. Stomach acid exists to destroy proteins. An uncoated capsule delivers a dose of expensive nothing.
Meliovo uses an HPMCAS enteric coating. The capsule stays sealed through the stomach and opens in the small intestine, where the enzyme is absorbed intact.
WHAT NINETY DAYS LOOKS LIKE
Circulation changes before numbers do.
Days 1–14
Nothing dramatic. The enzyme is building up. Most people notice only that they haven't noticed anything — no muscle ache, no fog, no upset stomach.
Weeks 2–4
The first thing people report is oddly specific: their hands are warm. Cold fingers in a warm room is a circulation signal you stopped noticing years ago. Legs feel lighter at the end of a long day.
Weeks 8–12
The window the research measured. Bring the bottle to your next appointment and ask for a panel. Let the numbers argue for themselves.
What people notice first.
Elizabeth P.,
Verified Customer
"I'm 57. I was not going to blindly do whatever my doctor said without looking into it myself. This made sense to me on paper and it made sense after 90 days. That's the most I can say about any supplement."
Rajesh M.,
Verified Customer
"I'm a retired contractor. I've been on my feet for fifty years. The last two years climbing stairs started feeling like work, my legs felt heavier than the rest of me. Three months on this and the stairs feel like stairs again. I'm not exaggerating. I told my wife and she made me say it out loud twice."
Rob K.,
Verified Customer
“Had a small stroke back in '22. I asked my cardiologist before I started this and he was fine with it as long as I kept up with my blood thinner meds. Last carotid scan in February showed no change from before, which he said was a good thing at my age.”
Everything you might be wondering
Can I take Nattokinase if I'm on a prescription blood thinner?
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If you're on any prescription blood thinner, please talk to your doctor before starting it. Nattokinase has its own effects on circulation, and combining it with prescription anticoagulants without medical supervision is not advisable. We also recommend discontinuing Meliovo at least 2 weeks before any scheduled surgery.
What is FU and why does the dose matter?
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FU stands for Fibrinolytic Units, the standard activity measurement for nattokinase. Most published clinical trials use doses between 8,000 and 12,000 FU per serving. Meliovo is dosed at 10,000 FU. Many drugstore products contain only 2,000-4,000 FU, which is below the dose used in most positive clinical outcomes.
How long until I notice anything?
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Most customers report subtle changes around weeks 3–4, with more pronounced effects in the 5–8 week window, which is also where the published trials measured their outcomes. We strongly recommend giving Meliovo a full 60 days before deciding whether it's right for you, which is why we built the 90-day money-back guarantee.
Is Nattokinase safe to take long-term?
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Nattokinase has been consumed as part of natto in Japan for centuries with no documented long-term safety concerns. Published trials have run as long as 6 months without adverse outcomes in healthy adults. Most of our subscribers take Nattokonase daily as part of their long-term cardiovascular routine. As always, talk to your doctor if you have specific concerns or take prescription medications.
Why is your nattokinase three to five times the dose of competitors?
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Frankly, because most of the rest of the shelf is under-dosed. The clinical literature uses around 10,000 FU. Putting 2,000 FU in a capsule lets a brand keep cost of goods low and margins high, but the customer is left with a product that doesn't match the science. We chose to formulate to the top of the studied range. It costs us more per bottle. We think it's the right call.
What's actually in your enteric coating?
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Our capsules use a plant-based enteric coating (HPMCAS) that resists stomach acid and dissolves in the higher-pH environment of the small intestine. This is the same coating technology used in pharmaceutical-grade enteric capsules. Without enteric coating, ConsumerLab testing has shown that most of the active enzyme is destroyed before absorption.
What if it doesn't work for me?
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Email us within 90 days of your order and we'll refund every dollar. Even on empty bottles. No restocking fees. We can afford this guarantee because the vast majority of customers end up subscribing. If you're not one of them, you should get your money back.
Money-Back Guarantee
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.
ADD TO CART
100% Satisfaction
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Easy Returns
Money-Back Guarantee
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.
ADD TO CART
100% Satisfaction
Fast Shipping
Easy Returns