Mohammed Alo: The Gap Between Nattokinase Marketing and Evidence
Mohammed Alo, Fellow of the American College of Cardiology at American College of Cardiology, shared a post on LinkedIn:
“Nattokinase will not unclog your arteries.
Supplement companies are selling you a $40 bottle of false hope while your plaques keep growing.
But the data says otherwise.
And no, they are not just ‘natural enzymes that dissolve clots.’
What you are actually dealing with:
Atherosclerosis is not a kitchen drain clogged with grease. You cannot pour an enzyme down your coronary artery and watch the blockage dissolve.
Plaques are complex structures. Fibrous caps. Lipid cores. Calcified deposits. Inflammatory cells. A fermented soybean extract is not touching any of that.
Yet the online grifters are selling nattokinase as if it is the secret your cardiologist does not want you to know. They are wrong. And the silence from the cardiology literature is not a conspiracy. It is a verdict.
I am a board-certified cardiologist.
I am America’s Cardiologist.
I have treated thousands of patients with established coronary artery disease, acute MI, and high-risk atherosclerosis. I have never once seen nattokinase on a peer-reviewed guideline. Not in the ACC. Not in the AHA. Not anywhere that answers to evidence.
Here is what the science actually says:
The research on nattokinase comes almost entirely from rat studies and in vitro models. Rats are not humans.
Test tubes are not arteries. An enzyme that shows fibrinolytic activity in a petri dish does not automatically translate to clinical benefit in a living, breathing patient with decades of plaque burden.
The human trial data is thin, small, and nowhere near the scale required to make the claims supplement marketers are making.
We are talking about studies with dozens of participants, no cardiovascular outcome data, and zero evidence that nattokinase reduces heart attacks, strokes, or cardiovascular death.
That is not promising. That is not ’emerging.’ That is insufficient.
Now contrast that with what we actually know works.”

Stay updated with Hemostasis Today.
-
Jun 21, 2026, 05:11Selma Turkovic: Blood Transfusion Education and Discussion Group Webinar N63
-
Jun 21, 2026, 04:00X. Long Zheng: New Findings on ADAMTS13 in Hemostasis and Thrombosis
-
Jun 21, 2026, 03:04Mauricio Vasco Ramirez: Balancing Bleeding and Thrombotic Risks in Ultrasound-Guided Intervention
-
Jun 21, 2026, 02:30Megan Adediran: Standing Together for Sickle Cell Awareness and Care
-
Jun 20, 2026, 22:23Bringing Conversations About Stroke and Men’s Health to the Melbourne Storm Community – Stroke Foundation
-
Jun 20, 2026, 21:03Johannes Grillari: Post-Stroke Senescence May Be More Adaptive Than Previously Thought
-
Jun 20, 2026, 19:51Sushmita Sen: How are We Doing in Global Clinical Trials and Precision Hematology?
-
Jun 20, 2026, 19:46Rainer Kaiser: How Neutrophils Stiffen Thrombi in Acute Ischemic Stroke
-
Jun 20, 2026, 19:38Muhammad Amjad Sohail: Stroke – Recognize the Signs, Save a Life