F2-Isoprostane/Creatinine

check icon Optimal Result: 0 - 0.86 ng/mg.

 

F2-Isoprostane/Creatinine Ratio: A Gold Standard Marker of Oxidative Stress

The F2-isoprostane to creatinine ratio is widely considered the gold standard for measuring oxidative stress in the body. Elevated levels of oxidative stress can damage cells and tissues, contributing to chronic diseases such as cardiovascular disease, hypertension, and stroke.

This test is especially valuable for individuals with:

  • Lifestyle risk factors such as smoking or poor diet

  • A family history of cardiovascular disease

  • Hyperlipidemia or elevated cholesterol


What Are F2-Isoprostanes (F2-IsoPs)?

F2-isoprostanes are compounds produced when arachidonic acid—a fatty acid found in cell membranes—is oxidized in the body. While arachidonic acid plays essential roles in muscle function and cellular signaling, excessive levels can promote the formation of F2-IsoPs, which are known to damage tissues and trigger inflammation.

Sources of arachidonic acid include:

  • Red meat

  • Egg yolks

  • Some processed foods

Maintaining a balance of arachidonic acid is important. Too much can increase F2-IsoP levels, while too little may impair basic physiological functions.


Why F2-Isoprostanes Matter for Heart Health

Elevated F2-IsoP levels are linked to:

  • Constriction of blood vessels, potentially raising blood pressure

  • Increased blood clotting, heightening the risk of heart attack or stroke

  • Early development of atherosclerotic plaque in the arteries

In fact, research shows that individuals with high F2-isoprostane levels are up to 30 times more likely to develop heart disease compared to those with normal levels (source).


How the Test Works

  • Method: This test is performed using Liquid Chromatography-Tandem Mass Spectrometry (LC/MS/MS) for high accuracy and specificity.

  • Developed by: Cleveland HeartLab, Inc.

  • Regulatory status: This test was developed and validated under CLIA (Clinical Laboratory Improvement Amendments) guidelines and is intended for clinical use only. It has not been reviewed by the U.S. FDA.


Who Should Consider This Test?

This test is particularly helpful for individuals who want to:

  • Monitor oxidative stress linked to lifestyle factors

  • Assess cardiovascular risk beyond standard lipid panels

  • Proactively manage health if they have a family history of heart disease

What does it mean if your F2-Isoprostane/Creatinine result is too high?

What Do Elevated F2-Isoprostane Levels Mean?

Elevated urinary F2-Isoprostanes are strongly associated with an increased relative risk of coronary heart disease (CHD). High levels are also commonly observed in conditions linked to atherosclerosis and certain types of cancer, making this marker a valuable early indicator of systemic oxidative stress and chronic disease risk.


How Can I Lower My F2-Isoprostane Levels?

F2-Isoprostanes are considered "lifestyle-sensitive" biomarkers, meaning their levels are heavily influenced by your daily habits and behaviors. The good news is that with targeted lifestyle changes, you can often lower your F2-IsoP levels and reduce your risk:

  • Improve Your Diet: Reducing your intake of red and processed meats while increasing consumption of antioxidant-rich fruits and vegetables can significantly help lower oxidative stress and F2-IsoP levels.

  • Exercise Regularly: Engaging in consistent physical activity has been shown to reduce oxidative stress and support healthier biomarker levels.

  • Quit Smoking: Tobacco use is a major contributor to elevated F2-Isoprostanes. Quitting smoking is one of the most effective ways to reduce oxidative damage in the body.

By making these lifestyle modifications, you can help bring your F2-IsoP levels into a healthier range and support long-term cardiovascular and metabolic health.

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