Canadian Naturals LID Sweet Potato & Salmon Recipe is a great food for dogs with food allergies and sensitive digestive tracts. The simple ingredient list includes salmon as the single animal protein source. In addition, sweet potato provides great flavour and is easy for dogs to digest. It is a low-glycemic carbohydrate that has been substituted for grains in this formula. The mix of vitamins, minerals, and Omega 3 and 6 fatty acids ensures that your dog is receiving a quality, balanced diet.