Seri murni pure Vegetable oil: Oils are known to have numerous health benefits; primarily it is a major source of energy and a carrier of essential nutrients which are vital for growth and metabolism, protecting brain cells, reducing the risk of heart diseases, etc. What vegetable oil is used for? Vegetable oils are obtained from a plant source, such as vegetables, nuts, or seeds. Edible vegetable oils are mainly used in cooking, as salad dressings, in manufacture for margarines and spreads, and in bakery. Is vegetable oil the healthiest oil? The healthiest oils are those that are high in monounsaturated and polyunsaturated fats, such as vegetable oil and olive oil. These types of fats can help lower your risk of heart disease when used instead of saturated fats.