Hill's Gastrointestinal Biome Dog food is clinically proven to help firm loose stool within 24hours. Using ActiveBiome ingredient technology a unique blend of active fibres, soluble and insoluble fibres. Including high levels of omega-3 fatty acids (DHA and EPA). This blend of ingredients and unique technology promotes beneficial gut microflora to support digestive health, with the added benefit of soothing the digestive tract.