Nulo Senior Grain Free Dog Food With Glucosamine And Chondroitin, Trout And Sweet Potato Recipe - 4.5, 11, Or 24 Lb Bag Grain-Free Recipe Contains No Corn; Wheat; Soy; White Potatoes; Tapioca; Artificial Colors, Flavorings Or Preservatives. Proudly Made In The Usa. High Meat/Low Carb Proprietary Formula 80% Animal-Based Protein For More Amino Acids And Better Flavor Using Fewer Carbs And Low Glycemic Ingredients Nulo Sr Dry Dog Food More Closely Resembles Your DogS Ancestral Diet Than Grain-Based Carbohydrate Formulas. May Reduce Food Sensitivities Or Allergies. Joint Support For Dogs With Glucosamine And Chondroitin. These Anti-Inflammatory Properties Promote Joint Flexibility And Pain Relief. Patented Bc30 Probiotic Supports Healthy Gut Flora, Aids In Food Digestion And Metabolism Regulation. Promotes Healthy Weight And Stamina With L-Carnitine.