Hill’s® nutritionists and veterinarians developed Prescription Diet® i/d® , nutrition specially formulated to help improve digestion and stool quality in cats. How it helps: Supports regularity and bowel health Promotes growth of beneficial bacteria in the gut Replaces lost nutrients and ensures easy nutrient absorption Supports a healthy immune system S+OXSHIELDTM: Formulated to promote a urinary environment that reduces the risk of developing struvite & calcium oxalate crystals Meets the special nutritional needs of kittens and adult cats How it works: Highly digestible with optimal balance of soluble and insoluble natural fibers Prebiotic fiber and essential omega-3 and -6 fatty acids High in electrolytes and B vitamins Clinically proven antioxidants Controlled minerals