NutriSource Senior Dog Food for dogs over 7 years & older, is a scientifically formulated, easy-to-digest food. Real chicken meal is the number one ingredient. Chicken meal has a rich, wholesome taste dogs love and is a source of high quality protein that helps maintain muscle mass and strength. This blend of chicken meal, rice, and carefully selected ingredients help balance essential nutrients necessary for health and well being for your furry friend. Health begins here.