ROYAL CANIN® Mature is specifically formulated to help support the health and wellbeing of senior dogs. This formula contains a specific selection of nutrients that help to support vitality and maintain mass in older dogs. This diet also helps to reduce the risk of urinary crystal formation and contains nutrients that help to support a shiny coat and hair growth. It is also boosted with omega fatty acids to help support aging joints as well as L-tryptophan which helps to encourage proper sleep, a regular appetite and to combat anxiety.