Reference: Flynn MM, Tierney A, Itsiopoulos C. Is extra virgin olive oil the critical ingredient driving the health benefits of a Mediterranean diet? Nutrients. 2023;15:2915. A recent scientific review, published in the journal Nutrients, provides strong evidence that the phenols in EVOO—which are not present in lower grades of olive oil—play a primary role in the heart-health benefits associated with olive oil and the Mediterranean diet. Phenols are bioactive compounds in plant-based foods. EVOO is rich in phenols, whereas refined olive oils are stripped of these health-promoting compounds by chemical production processes. Study Objectives Dr. Mary Flynn, PhD, registered dietician, and associate professor of medicine at Brown University, identified 34 randomized, controlled trials published between 2000 and 2022 that evaluated