Product for the diet of dogs affected by inflammatory intestinal diseases, which comprises at least one source of fiber and at least one source of proteins.The source of fiber comprises ascophyllum nodosum, which is comprised in the product for the diet of dogs in a weight percentage comprised between 15% and 25%, and the protein carrier component is a protein hydrolysate, comprised in the product for the diet of dogs in a weight percentage comprised between 18% and 25%.