Fats has been vilified1 for many years, with a number of diets selling fat-free or low-fat consuming patterns. Nonetheless, this important nutrient performs a number of essential roles within the physique, says Crystal Scott, R.D., a nutritionist who focuses on weight administration. Furthermore, fats additionally provides nice taste to meals and helps us really feel full, says Jen Scheinman, M.S., RDN, a useful diet coach.