Traditionally, olives have been viewed as a very healthy food. Beside providing energy, they compose of significant amounts of plant-derived anti-oxidants, minerals, phyto-sterols, and vitamins.
Olives are a moderate source of calories; 100 g of fruits carry just 115 calories. Their calorie content basically comes from fats. Nonetheless, the fruit composes healthy fat in the form of mono-unsaturated fatty acids (MUFA) like oleic acid (18:1) and palmitoleic acid (16:1) that help lower LDL or "bad cholesterol" and increase HDL or "good cholesterol" in the blood. Research studies suggest that Mediterranean diet which is rich in monounsaturated fatty acids help to prevent coronary artery disease and strokes by favoring healthy blood lipid profile