1+ years. Select natural ingredients with added vitamins, minerals and amino acids. No fillers or artificial preservatives. 100% complete and balanced. Vet recommended. Iams nutrition proactively nourishes your dog to help keep him at his best. Strong, Firm Muscles: builds strong, firm muscles with protein sourced from chicken and egg. Healthy Heart: nourishes the heart with 7 essentials nutrients. Strong Immune System: enriched with the antioxidants to help maintain a strong immune system. Easy Digestion: gentle fiber source to support your dog's ability to absorb nutrients. Healthy Teeth: crunchy kibbles scrub your dog's teeth with every bite to help reduce plaque and tartar buildup that can lead to bad breath. Iams ProActive Health Chunks Dog Food is formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles for Maintenance. Made in the USA.