Bil-Jac Senior Select Formula Dog Food, 6 Pound Bag As dogs mature, they may become less active and their nutritional needs change, Bil-Jac Senior Select is formulated with this in mind Contains levels of naturally occurring glucosamine and chondroitin sulfate to help joints and tendons Formulated to meet the nutritional levels established by the AAFCO Dog Food Nutrient Profiles Gentle fiber blend that helps support healthy digestion No Fillers, Gluten meals, Wheat, Soy, or Sprayed-on rendered fat