1+ years. Veterinarian recommended. 10% less fat vs. Iams ProActive Health Original with Chicken Formula. Specially formulated for the unique needs of indoor cats. Formulated to gradually return your cat to a healthy weight. Natural fiber blend to help reduce hairballs and promote healthy digestion. Iams proactively nourishes your cat to promote 7 signs of healthy vitality. Easy Digestion & Hairball Care: Natural fiber system to support your cat's ability to absorb nutrients and to help reduce hairballs. Strong Defense System: Enriched with antioxidants and FOS to help support a strong defense system. Strong Bones: Fortified with essential minerals to help maintain strong and healthy bones. Healthy Weight & Lean Muscles: Formulated to help your cat maintain a healthy weight and lean muscles. Healthy Teeth: Crunchy kibbles scrub your cat's teeth with every bite, helping to reduce plaque build-up that can lead to bad breath. Healthy Skin and Coat: Vitamin-rich fish oils for healthy skin and coat. Healthy Heart: Natural source of Taurine for healthy heart and eyes. 100% complete & balanced for maintenance. Iams ProActive Health Indoor Weight & Hairball Care Formula Cat Food is formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for Maintenance. Processed in the USA.