Peanut oil is one of the healthiest oils. It is a vegetable oil that is naturally trans fat-free, cholesterol free, and low in saturated fats. Peanut oil is high in unsaturated fats, especially monounsaturated fat, like olive oil. It is also a source of the antioxidant, vitamin E and phytosterols, which benefit heart-health. Peanut oil is also a perfect choice for healthier frying because it can be heated to a higher temperature than other oils, and this results in lower oil pick up in the food.