A great video from TRUE FOOD TV...

A recently published research paper assessed the most common supermarket cooking oils, and determined that extra virgin olive oil is the ...

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The most recent research on the benefits of olive oil and its components. https://www.mdpi.com/2072-6643/11/9/2039/htm

Extra virgin is the highest quality and most expensive olive oil classification. It should have no defects and a flavor of fresh olives. ...

Only purchase bottle sizes that you will use within 8-10 weeks of opening. Look for best-by-date as far out as possible.