Consumption of extra virgin olive oil improves cardiovascular health and liver health through mechanisms mediated by polyphenols.

Study: Optimal dietary patterns for healthy aging

People who ate diets rich in healthy foods like olive oil, vegetables, and whole grains were much more likely to stay healthy into old age without heart disease or liver problems. This suggests olive oil probably helps, even though the study didn’t test it alone.

Study: Effects of postprandial hydroxytyrosol and derivates on oxidation of LDL, cardiometabolic state and gene expression: a nutrigenomic approach for cardiovascular prevention.

This study found that eating a small amount of high-quality olive oil helps reduce harmful fats and inflammation in the body right after eating, thanks to natural compounds called polyphenols. This suggests olive oil can help keep your heart and liver healthier.

Study: High-Tyrosol/Hydroxytyrosol Extra Virgin Olive Oil Enhances Antioxidant Activity in Elderly Post-Myocardial Infarction Patients

This study found that drinking a daily spoonful of special olive oil rich in natural plant compounds helped older heart attack survivors fight harmful stress in their bodies, which is good for their hearts. That supports the idea that good olive oil helps your heart and liver.