PRO PLAN® Veterinary Diets FELINE EN Gastrointestinal formula is highly digestible which promotes optimal nutrient absorption, and is antioxidant-rich to support immune health. This high-protein cat veterinary diet also delivers an St/Ox defence to promote a urinary environment unfavorable to the development of both struvite and calcium oxidative crystals. Made with high-quality nutrition, the formula is energy-dense to provide essential sustenance in smaller meals and includes b-complex vitamin and omega-3 fatty acids from fish oil. The science behind Purina's therapeutic diets represents a collaboration between Purina nutritionists, researchers and veterinarians. Support your cat’s digestive health with Purina Pro Plan Veterinary Diets Feline EN Gastrointestinal Dry Cat Food Formula. PRO PLAN® VETERINARY DIETS FELINE EN is formulated to meet the nutritional levels established by the AAFCO (Association of American Feed Control Officials) Cat Food Nutrient Profiles for all life stages. Highly digestible to help reduce workload on a compromised gutLimited number of protein sources to help minimise adverse intestinal reactionsAdded prebiotic (chicory inulin) to help improve intestinal healthHelps to promote a urinary environment unfavourable to the development of struvite and calcium oxalate crystals