This article was updated with new infographic on November 25, 2025.
🎧 ▶️ Press the play button below to listen in English.
🇪🇸 Spanish (Latinoamérica)
Bienvenidos. En este audio hablaremos sobre cómo la prueba MPO puede ayudarnos a detectar la inflamación arterial y a entender mejor el riesgo cardiovascular. También veremos qué significan los niveles de MPO y qué cambios sencillos pueden mejorar la salud cardiovascular de manera práctica y efectiva.
Presiona el botón de reproducir para escuchar.
🇨🇳 中文（简体）
欢迎收听。本音频将说明如何通过 MPO检测 了解体内的 动脉炎症，并更好地评估您的 心血管风险。我们会解释 MPO水平 代表什么，以及哪些日常习惯可以帮助改善 心血管健康，降低未来的 心血管疾病 风险。
请按下方的播放按钮收听。
Introduction
Myeloperoxidase, or MPO, is one of the most revealing blood tests for understanding the real condition of your arteries. Most people focus only on cholesterol numbers like LDL or ApoB. These are important, but they do not always show the full picture. MPO looks at something different—inflammation happening inside the walls of your blood vessels right now.
If you have ever wondered why some individuals with “normal cholesterol” still develop heart disease, MPO is often part of the answer. This article explains MPO in clear, everyday language and shows how you can improve it through practical, evidence-informed steps.
What MPO Actually Measures
MPO is an enzyme released by neutrophils, a type of white blood cell. When the inner lining of your arteries becomes irritated or inflamed, these cells activate and release MPO.
You can think of MPO as an indicator of how “stressed” or “inflamed” your arteries are.
Unlike cholesterol, which measures the amount of fat in your blood, MPO measures the activity of inflammation inside the vessel wall. A normal MPO level means your immune system is calm. A high MPO level suggests your arteries are dealing with ongoing irritation.
Why MPO Matters for Heart Health
High MPO levels are linked with a higher chance of heart attack and stroke. MPO is particularly important because it relates to plaque instability, not just plaque size.
Even small plaques can rupture if they are unstable, and MPO helps reveal whether that instability is present.
Research shows that elevated MPO:
- increases the oxidation of LDL particles
- weakens the protective cap over artery plaque
- increases oxidative stress
- predicts cardiovascular events even when LDL is normal
This makes MPO one of the most useful tests for understanding risk that does not appear on standard blood panels.
What a High MPO Level Means
Each laboratory uses different units, but the meaning is the same.
A low MPO level suggests stable, calm arteries.
A high MPO level suggests ongoing vascular inflammation.
Rather than focusing on one exact number, it’s more valuable to look at:
- whether your MPO is above the lab’s reference range
- how your MPO changes over time
- whether your other markers (ApoB, hs-CRP, triglycerides, fasting glucose) support the same story
Even a mild elevation can be meaningful if you have other risk factors.
A commonly used lab range (example: Cleveland HeartLab / Quest) is:
- < 350 pmol/L → Lower risk
- 351–549 pmol/L → Intermediate risk
- ≥ 550 pmol/L → Higher risk
But again, always rely on your lab’s own reference range, because methods vary.
Practical “Target Level” Guidance
- Aim for the “low” category of your lab’s range.
This is the safest and clearest target. - Aim for a downward trend.
Improvement over time is more important than a single number. - If MPO is high but LDL/ApoB look normal, take it seriously.
MPO reflects inflammation, not cholesterol load. - If MPO is high, re-check every 3–6 months while addressing lifestyle factors (sugar spikes, visceral fat, smoking, sleep, etc.).
Summary
There isn’t one magic MPO number everyone must reach.
Instead:
- Stay within the “low” zone shown on your lab report.
- Watch the trend over time—lower is better.
- Combine MPO with ApoB, hs-CRP, fasting glucose, and triglycerides for the full picture.
Common Reasons MPO Goes Up
Several everyday habits and exposures can increase mpo levels over time.
Post-meal sugar spikes
Rapid glucose surges increase oxidative stress and neutrophil activation. High-sugar meals and processed carbohydrates are common triggers.
Visceral belly fat
This type of fat behaves like an inflammatory gland, raising MPO along with other inflammatory markers.
Smoking or secondhand smoke
Tobacco smoke significantly increases MPO release, even with occasional exposure.
Poor sleep
Short or poor-quality sleep keeps inflammation elevated and boosts MPO activity.
Chronic stress
Stress hormones activate immune pathways that increase vascular inflammation.
Lack of exercise
Sedentary behavior weakens endothelial function and raises inflammatory activity.
Chronic infections
Conditions like gum disease or sinus inflammation can keep MPO elevated.
Environmental toxins
Air pollution, fumes, and certain chemicals raise oxidative stress and MPO production.
How to Lower MPO Naturally
Lowering mpo is not about finding a single supplement. It is about reducing your inflammatory load and stabilizing the environment inside your arteries. Here are the most effective strategies backed by physiology and real-world outcomes.
Reduce postprandial hyperglycemia
This is one of the most powerful ways to lower MPO. You can blunt sugar spikes by:
- eating protein or fiber before carbohydrates
- adding olive oil, nuts, seeds, or avocado to meals
- walking for 10–20 minutes after meals
- limiting sugary drinks and processed carbs
Stabilizing your glucose curve reduces oxidative stress in a major way.
Lower visceral fat
You do not need dramatic weight loss. Even losing 5–10 pounds can reduce MPO.
Helpful strategies include:
- regular strength training
- daily light-to-moderate activity
- avoiding late-night eating
- improving sleep patterns
- choosing lower-glycemic foods
Support endothelial health
A healthier endothelium means less inflammation and lower MPO. Beneficial habits include:
- consistent exercise
- eating omega-3 rich foods or fish oil
- using olive oil as your main fat
- adding antioxidant foods like berries, leafy greens, herbs, and spices
- avoiding smoking and vape exposure
- maintaining healthy blood pressure
Improve sleep and manage stress
Aim for 7–8 hours of sleep and use simple stress-reducing habits such as:
- deep breathing
- prayer, meditation, or quiet reflection
- limiting evening screen time
- morning sunlight exposure
Treat chronic infections
Unchecked gum disease and recurrent sinus issues can keep MPO high. A dental cleaning and periodontal check are often overlooked but valuable steps for heart health.
Move daily, even in small amounts
Exercise does not need to be extreme. Even 15–20 minutes per day improves endothelial function, lowers inflammation, and supports weight control.
When to Re-check MPO
Most people benefit from repeating the test:
- every 3–6 months if they have high MPO
- every 6–12 months if they are making lifestyle changes
- at their cardiologist’s recommended interval if they already have heart disease
MPO trends over time are more meaningful than a single reading.
Who Should Consider Testing MPO
This test is especially valuable for people who:
- have a family history of early heart disease
- have diabetes, prediabetes, or metabolic syndrome
- have normal cholesterol but want deeper insight
- experience unexplained fatigue or chest discomfort
- want to track vascular inflammation
- are actively improving cardiovascular health through lifestyle
MPO gives an additional layer of clarity that traditional lipid panels cannot provide.
Key Takeaway
Your mpo level is a powerful indicator of current inflammation inside your arteries. High MPO does not predict doom. It simply reveals that your blood vessels are under stress—and that now is the perfect time to intervene.
Small daily habits such as blunting sugar spikes, improving sleep, lowering stress, exercising consistently, treating gum disease, and reducing exposure to toxins can meaningfully lower MPO.
Your arteries can recover, and inflammation can calm down.
MPO gives you the advantage of seeing early warning signs and responding before serious disease develops.
Don’t Get Sick!
Medically Reviewed by Dr. Jesse Santiano, MD
Dr. Santiano is a retired internist and emergency physician with extensive clinical experience in metabolic health, cardiovascular prevention, and lifestyle medicine. He reviews all medical content on this site to ensure accuracy, clarity, and safe application for readers. This article is for educational purposes and is not a substitute for personal medical care.
💡 Support This Work
Creating well-researched articles, maintaining this website, and keeping the information free takes time and resources.
If you found this article helpful, please consider donating to support the mission of empowering people to live healthier, longer lives, without relying on medications.
🙏 Every contribution, big or small, truly makes a difference. Thank you for your support!
Follow me on Facebook, Gab, Twitter (formerly known as X), and Telegram.
Related:
- Antioxidants And Timing: How To Reduce Blood Sugar-Related Oxidative Stress
- Health Benefits of Alpha Lipoic Acid: The Excellent Antioxidant
- Flaxseed: Lowers Sugar And Awesome Source of Valuable Omega 3
- 11 Best Morning Supplements For Energy
- Mastering Diabetes: Prevent Hypoglycemia with Smart Medication Adjustments
- 102 Easy Ways to Lower Post-Prandial Blood Sugar Without Meds
- The Simple Way To Keep Blood Sugar Low: Breakfast
- Meal Timing: A Practical Guide To Weight Loss And Better Health
- 18 Powerful Strategies To Prevent Blood Sugar Spikes During The Holidays
- Applying The Best Behavior Change Techniques At Home For Better Health
- A Toolbox of Strategies to Prevent Blood Sugar Spikes When Eating High-Glycemic- Index Foods
- The Blood Sugar Lowering and Metabolic Effects of Vinegar
- Ways to Lower After-Meal Blood Sugar when Eating White Bread
- A High-Protein Breakfast Can Lower Blood Sugar the Whole Day
- Eating rather than skipping breakfast results in lower blood sugars the whole day
- Pistachios improve insulin resistance and inflammatory markers
- Pistachios decrease after-meal blood sugar
- Veggies Meat Carbohydrate Sequence Prevents After Meal Sugar Spike
- How often do you do the post-prandial sugar test?
- Intermittent fasting Reverses Endothelial Dysfunction
- Walk After Meals to Prevent Sky High Blood Sugars
References:
- Nussbaum C, Klinke A, Adam M, Baldus S, Sperandio M. Myeloperoxidase: a leukocyte-derived protagonist of inflammation and cardiovascular disease. Antioxid Redox Signal. 2013 Feb 20;18(6):692-713. doi: 10.1089/ars.2012.4783. Epub 2012 Oct 3. PMID: 22823200. https://pubmed.ncbi.nlm.nih.gov/22823200/
- Cardio IQ® Myeloperoxidase (MPO)
- Tang, W. H. Wilson, et al. “Prognostic Value of Elevated Levels of Myeloperoxidase in Patients with Acute Coronary Syndromes.” New England Journal of Medicine, vol. 349, no. 17, 2003, pp. 1595–1604. https://www.nejm.org/doi/full/10.1056/NEJMoa035003.
- Nicholls SJ, Hazen SL. Myeloperoxidase and cardiovascular disease. Arterioscler Thromb Vasc Biol. 2005 Jun;25(6):1102-11. doi: 10.1161/01.ATV.0000163262.83456.6d. Epub 2005 Mar 24. PMID: 15790935. https://pubmed.ncbi.nlm.nih.gov/15790935/
Disclaimer:
This article is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician before making health decisions based on the TyG Index or other biomarkers.
© 2018 – 2025 Asclepiades Medicine, LLC. All Rights Reserved
DrJesseSantiano.com does not provide medical advice, diagnosis, or treatment
As an Amazon Associate, I earn from qualifying purchases
Discover more from Don't Get Sick!
Subscribe to get the latest posts sent to your email.