Hill's Prescription Diet i/d Canine is clinical nutrition specially formulated to calm and soothe the digestive tract in dogs. It s made in the USA with global ingredients you can trust, and was developed by Hill s nutritionists and veterinarians. This food helps support heart and kidney health with controlled minerals. Prescription Diet i/d Low Fat also includes prebiotic fiber, omega-3 & -6 fatty acids and ginger. Plus, it has clinically proven antioxidants to help support a healthy immune system, and is formulated to promote an environment that makes it difficult for struvite and calcium oxalate crystals to form. Please consult your veterinarian for further information on how Prescription Diet foods can help your dog continue to enjoy a happy and active life.