Sunflower oil is internal benefit. Why is it so useful? Oil provides the body with useful fats, such as mono- and polyunsaturated fatty acids. Sunflower oil is an ideal seasoning for a variety of dishes (pork, fish, dishes with rice or noodles). Linoleic acid contained in the oil increases the body’s immune defenses. Vitamin E is found in large amounts in oil, it is a powerful antioxidant that slows down cell senescence.