This oil is a nutritional superstar -- rich in antioxidants and heart-healthy monounsaturated fats that help lower "bad" LDL cholesterol and increase "good" HDL. When used in moderation, it has many positive effects on the health of your heart. Extra virgin olive oil is a key ingredient in the Mediterranean diet. Olive oil has long been suspected to be one of the keys to the so-called ‘French paradox’. Olive oil is rich in oleic acid, the most common monounsaturated fatty acid found in the diet. When used in moderation, it has many positive effects on the health of your heart. Extra virgin olive oil is a key ingredient in the Mediterranean diet. Another cholesterol-free option, corn oil is a good choice for light sautéing, sauces, and baking. Corn Oil . In addition, research shows corn oil can help to lower LDL nearly three times more than olive oil. And in truth, medium-chain triglycerides make up only a small amount of the fatty acids in coconut oil. This property gives it the ability to control blood cholesterol levels in the body. Numerous studies indicate that monounsaturated fat is about as effective as polyunsaturated fat in lowering total blood cholesterol and LDL cholesterol, when substituted for saturated fat in the diet. Olive Oil . In fact, in a study of people with high cholesterol, blood samples showed less potential for harmful clotting just two hours after the study subjects ate a meal with olive oil. Olive oil contains the highest level of monounsaturated fat – around 75-80%, which helps build good cholesterol and HDL in the body. The scientists compared olive oil to sunflower oil in a group of 23 patients. The reality: Coconut oil has been shown to raise cholesterol levels — the good and the bad kinds — more than other plant-based oils like olive or canola. It has a light taste and is less expensive than other oils.   Olive oil contains minimum levels of saturated and polyunsaturated fats. Extra Virgin Olive Oil And Cholesterol The Health Benefits Of Extra Virgin Olive Oil : A Further Study Montserrat Fitó, Ph.D., is the senior author of research by the Cardiovascular Risk and Nutrition Research Group at the Hospital del Mar Medical Research Institute in Barcelona, Spain. The monounsaturated fatty acids in olive oil aren't the only reason for the olive oil cholesterol lowering effects, however.