Founded by a veterinarian, Royal Canin has over 40 years experience in Health Nutrition. Our work with veterinarians, pet nutritionists, breeders, and cat professionals from around the world has provided us with knowledge about the specific nutritional requirements of cats. This knowledge has allowed us to formulate the precise diet for your cat's special needs. Royal Canin Veterinary Diet products are specially formulated for use in a veterinary dietary management program. This diet promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals. Digestive Health: A combination of highly digestible protein, prebiotics and EPA & DHA helps support digestive health. Colonic Transit: An optimal blend of insoluble and soluble fiber helps maintain intestinal health. Royal Canin Veterinary Diet Feline Gastrointestinal Fiber Response dry is formulated to meet the nutritional levels established by the AAFCO Cat Food Nutrient Profiles for maintenance. Veterinary Exclusive