Can matcha prevent cardiovascular disease?
Édith Adam
Édith Adam
Matcha cafe owner, specializing in pastries.
Can Matcha Prevent Cardiovascular Diseases?
Matcha (a powdered green tea) may help prevent cardiovascular diseases, but the evidence is insufficient to consider it a definitive preventive measure. Below is an analysis based on scientific research:
Potential Benefits of Matcha
- Antioxidant Effects: Matcha is rich in catechins (such as EGCG), antioxidants that reduce oxidative stress and inflammation—both risk factors for cardiovascular diseases like heart disease and stroke.
- Improved Cardiovascular Indicators:
- Some studies suggest matcha may lower low-density lipoprotein (LDL, "bad" cholesterol) levels and increase high-density lipoprotein (HDL, "good" cholesterol).
- It may improve vascular endothelial function, promoting blood flow and reducing risks of hypertension and arterial stiffness.
- Epidemiological Evidence: Populations consuming green tea (including matcha) long-term show lower cardiovascular disease incidence, but most studies are observational and cannot prove direct causation.
Limitations of Evidence
- Insufficient Research: Most studies rely on animal models or small-scale human trials, lacking large-scale randomized controlled trials to confirm matcha’s preventive effects.
- Dosage and Form: The effective dosage is not clearly defined; excessive intake may cause side effects (e.g., palpitations or insomnia) due to caffeine.
- Not a Substitute: Matcha cannot replace a healthy lifestyle (e.g., balanced diet, exercise, smoking cessation). Cardiovascular disease prevention requires comprehensive risk factor management.
Recommendations
- Moderate matcha consumption (e.g., 1–2 cups daily) may complement a healthy diet, but consult a doctor—especially for those with cardiovascular disease history.
- Prioritize evidence-backed preventive measures: weight management, reduced saturated fat intake, regular exercise, and smoking avoidance.