Hill's Prescription Diet Gastrointestinal Biome is a high-fibre wet cat food with prebiotics formulated to promote healthy stool and support overall digestive health. It was developed specifically for GI care by Hill’s nutritionists and veterinarians. This digestive-care food is formulated to promote a urinary environment that reduces the risk of developing struvite and calcium oxalate crystals. Please consult your veterinarian for further information on how Hill's Prescription Diet foods can help your cat continue to enjoy a happy and active life.