Royal Canin Gastrointestinal Fiber Response for cats is a complete and balanced diet used for acute or chronic constipation Fiber responsive gastrointestinal disease obstipation and megacolon This diet promotes a urinary environment unfavorable to the development of both struvite and calcium oxalate crystals Soluble fibers such as psyllium allow for softer stools to ease fecal elimination in constipated cats Enriched with prebiotic fructooligosaccharides FOS andmannanoligosaccharides MOS to optimize intestinal health Highly digestible proteins improve digestive function by decreasingcolonic fermentation Chelated minerals improve digestive and metabolic utilization oftrace elementsOther products from PetCareRx