The food your dog eats plays an important role in their overall health and well-being. Multi-Organ is formulated with optimal levels of protein and minerals to help protect vital kidney and heart function in dogs with multiple health issues.Hill's nutritionists and veterinarians developed Hill's Prescription Diet Multi-Organ Dry Dog Food to support your dog's overall health, helps support vital organs including kidneys, pancreas, heart, liver, and the bladder and can be used in unique situations where controlled fat is needed. How it works: Clinical nutrition designed to help support vital organs including kidneys, pancreas, heart, liver, and the bladder Nutrition formulated with 43% less fat than Hill's Prescription Diet k/d with Chicken Dry Dog Food ActivBiome+ Kidney Defense activates the gut microbiome to reduce harmful waste products How it helps: Optimal balance of key nutrients with controlled phosphorus, sodium, protein and fat Appropriate for dogs with sensitivity to dietary fat Helps manage the invisible changes within the intestinal tract that impact kidney function S+OXSHIELD: Formulated to promote a urinary environment that reduces the risk of developing struvite & calcium oxalate crystals