500g Powder Holistic Doggie is a natural fibre supplement for dogs that contains soluble and insoluble fibre, probiotics, prebiotics and bentonite clay. The fibre in a dog's diet is so important to gut health. This fibre supplement for dogs provides enough fibre in a pet’s diet to help support normal digestive function, balance levels of water in the intestines and firm up faecal matter. Adequate fibre can also reduce the need for anal gland emptying as it increases natural expression.