In recent years, olive oil production in Morocco has increased dramatically, but 15% of the cheaper olive oil is adulterated , often mixed with cheaper vegetable oils due to a lack of strict regulations.
7. Greece
Renowned for its ancient olive groves, Greece is not immune to fraud: 20% of its olive oil exports are adulterated . Mixing with other oils or misleading labeling are common practices. Look for labels with the PDO ( Protected Designation of Origin ) designation.
6. Türkiye
Turkey, a major producer, also faces widespread fraud: 30% of its cheap olive oil is adulterated . Some batches contain unlabeled preservatives, increasing the risk of liver disease and inflammation.
5. Tunisia
Tunisia, one of the world’s main exporters, mixes 15% of its olive oil with oils such as sunflower or soybean oil , which can cause allergic reactions and harm health.
4. Egypt
Due to the rapid increase in production, Egypt is facing a serious quality control problem: 20% of the olive oil sold contains additives or chemical solvents that are harmful to the liver .
3. United States
The United States, particularly California, has a booming olive oil industry, but 25% of olive oil labeled “extra virgin” in the U.S. market doesn’t meet standards . Check certifications like those issued by the California Olive Oil Council .
