Nutritional value of chicken. While chicken is a lean meat with loads of proteins, it is also high on cholesterol. However, chicken provides selenium which contains antioxidants that help control free radicals and improve your immune system. Chicken and fish have less saturated fat than most red meat. The unsaturated fats in fish, such as salmon, actually have health benefits. Omega-3 fatty acids, found in fish and some plant sources, may reduce the risk of cardiovascular disease.