Our Whitefish Formula dog food, made from whitefish in the Pacific waters of Oregon, Washington, and Alaska, is a good start to try elimination diets for your pup. Whitefish is rich in Omega-3 fatty acids, Vitamins B6 and B12, Niacin, Phosphorous, Selenium, and is low in sodium, making whitefish the best dog food. Features: Made with high-quality Whitefish as the first ingredient which is high in protein.,Rotational diet designed to allow your dog to switch between select Zignature formuals with ease.,At Zignature, our mission is to make the very best food for your pup. So, we do that by using high-quality meats first and pairing that with a limited ingredient list of healthy and wholesome ingredients. In fact, all of our Zignature Formulas are what we call Physiologically Tuned, meaning theyre made to meet the nutritional needs of your pup and satisfy all of their instinctual cravings.,Single Protein Source