Premium Nutrition TreatsAdvanced scientific nutrition to meet a variety of life stage or lifestyle needs.Included in each formulation are selected components from the Eukanuba Vital Health System.Among these is ImmunoHealth, which helps nutritionally maintain a dog"s immune system.Packed with Protein Crunchy, tasty Healthy Extras are made with real chicken protein and other wholesome ingredients.They"re fortified with essential vitamins and minerals to promote health and vitality, with no artificial flavors or colors. Plus, the crunchy texture of Healthy Extras helps reduce plaque and tartar.Eukanuba Healthy Extras Large Breed Adult Maintenance biscuits are recommended to be fed as a healthy treat to complement Eukanuba Dry Dog Foods and/or Eukanuba Canned Dog Foods.