Royal Canin Fibre Response dog is diet food enriched with specific fibres such as beet pulp, Fructo-Oligo Saccharides (FOS), Manno-Oligo Saccharides (MOS) and psyllium. Royal Canin Gastrointestinal High Fibre helps restore the balance of intestinal flora. Fibre inhibits the growth of harmful, pathogenic bacteria and supports intestinal function. In addition, dietary fibres promote the passage of food through the intestines and contribute to stool quality. Therefore, a high-fibre diet is often prescribed for animals suffering from constipation.