Protein from White Fish is easily digested making Fish4Dogs Finest Ocean White Fish particularly suitable for dogs with a delicate digestion or older dogs with slower digestive systems. Fish also contains high levels of Omega 3, which aids with coat and skin health and joint mobility. Fish4Dogs foods are grain free and use potato and pea as the carbohydrate providing a food that has a balanced GI (glycaemic index) and one that is less likely to cause dietary sensitivity.