9. Argentina
Argentina is an emerging player in the market, but 17% of its olive oil is adulterated , often with lower-quality vegetable oils. Be wary of prices that seem too good to be true and look for official certifications.
8. Morocco
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 .
