Reddy Low Protein dog food has been specifically developed to provide dogs with an easily digestible & nutritious meal but containing a significantly reduced amount of protein. High levels of protein can be harmful to the kidneys & the protein content in relation to the amount of calories (including fat & moisture) is fundamental. In this special food sodium & phosphorous are reduced & the calories from non-protein sources are increased. If your dog has a tendency towards acute kidney problems please consult your vet immediately. Features of this special renal diet with reduced protein Reduced protein. Increased amount of non-protein calories. Reduced sodium & phosphorous content.