Science Diet Light Hairball Formula Is For Cats In Danger Of Adding Weight And Who Have Hairball Problems. Clinically proven antioxidants for a healthy immune system. Helps avoid the formation of hairballs. Chicken By-product meal based. 283 kcal/cup. Crude Protein not less than 36%, Crude Fat not less than 9.1%, Crude Fiber not more than 8.3%. 8 Lbs.