🐾 Purr-fect Nutrition for Happy Cats! The #1 veterinarian recommended cat food brand. High-quality protein to support lean muscle development. Packed with Omega-6s, Omega-3s, and Vitamin E for a shiny, healthy coat. Made in the USA with globally sourced ingredients you can rely on. Specially formulated to reduce hairball formation. Hairball Control Lean Muscle Support USA Made Hill's Science Diet Hairball Control is a premium dry cat food designed for adult cats aged 1-6. This 15.5 lb bag features a chicken recipe that not only helps prevent hairball formation but also supports lean muscle growth and promotes a beautiful coat with essential fatty acids and vitamins. Recommended by veterinarians, this food is made in the USA with trusted global ingredients.