No canine senior diet on the market has proven itself like Wysong Senior dog food. It was created by Dr. Wysong and owes its popularity solely to veterinary recommendation and word of mouth. Senior has been fed to tens of thousands of canines through multiple generations for over thirty years with great success. This improved formulation is designed to take advantage of new processing methods to preserve natural value, and nutritional advances in epigenetics and nutrigenomics. Senior has increased levels of high quality meats, organs, protein, and fat, and contains a comprehensive spectrum and higher levels of micronutrients/nutraceuticals including prebiotics, probiotics, enzymes, omega-3s, antioxidants and more. Small quantities of fruits and vegetables mimic what may be consumed in the viscera of prey, and contribute important vitamins, minerals, antioxidants and other nutrients. Premium high quality nutrition is extremely important with aging digestion, physiology, and immune function, and this is what Senior provides. As always, for best results rotate Senior with fresh foods, Wysong TNT raw dog foods and other healthy Wysong pet diets.