A big component of the Mediterranean diet is olive oil. Rich in antioxidants, it is. Monounsaturated fatty acids (MUFAs), which scientists consider a safe fat, are the main fat it contains. Antioxidants in olive oil may help protect the body from cellular damage, which can lead to a variety of illnesses and health conditions. Extra virgin olive oil has a bitter taste, but as it undergoes the least processing, it contains more antioxidants than other types.