Olive oil
Olive oil contains monounsaturated fatty acids and oleic acid. According to multiple studies, these substances protect against heart disease in particular, as many studies have found (8).
Virgin olive oil also contains lots of antioxidants, also known as phenols. These substances positively affect protecting the cardiovascular system because they inhibit inflammation and improve arterial function.
Also, live oil is a pure source of fat with no carbohydrates. So it is the perfect base for salad dressings or healthy mayonnaise. And Olive oil is not as stable in high temperatures, So it is ideally used for dishes prepared over low heat.
