I know it's tempting to buy those big gallon bottles of olive oil, but it's better to be constantly replenishing your olive oil supply — here's why. As olive oil ages, it loses its nutritional potency. Researchers have found that when olive oil is stored for over six months, the antioxidants decreased by about 40 percent. It should also be stored in a cool, dark place to help prevent oxidation.
Olive Oil's Shelf Life
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