High Total Digestibility To Promote Nutrient Absorption Energy-Dense To Provide Essential Nutrition In Smaller Meals Helps Support The Unique Nutritional Needs Of Cats With Gi Conditions St/Ox Defense: This Diet Promotes A Urinary Environment Unfavorable To The Development Of Both Struvite And Calcium Oxalate Crystals High Protein Purina Pro Plan Veterinary Diets En Gastroenteric Feline Formulas Are Energy Dense And Support The Unique Nutritional Needs Of Cats With Gi Conditions. Made With High-Quality Ingredients, These Diets Also Support Urinary Health. The Science Behind Our Therapeutic Diets Represents A Collaboration Between Purina Nutritionists, Researchers And Veterinarians