IAMS Advanced Nutrition Hairball with Chicken. IAMS Advanced Nutrition Hairball with Chicken at a glance IAMS Advanced Nutrition Hairball with Chicken is a complete dry food for adult cats. Dried chicken and turkey (38%, of which 23% chicken, a natural source of taurine), maize, fresh chicken (10%), pork fat, dried sugar beet pulp (4.3%), cellulose powder (4.3%), chicken sauce, fructo-oligosaccharides (0.68%), fish oil, potassium chloride.