You are wise to switch from Nutro. It is a very low quality food in spite of the price. Nutro contains, corn gluten, wheat, soy and menadione, all of which should be avoided. A high price does not guarantee good food. Your new food Proseries is a much better food and I imagine costs much less. ProSeries, while much better than Nutro is certainly not among the best. I assume you are in Canada since you say that you do not have PetSmart or PetCo and Proseries is a Canadian company. Orijen, another Canadian company is probably the best there is but it is very expensive. Other good foods are Blue Buffalo, Wellness, Castor & Pollux, Merrick, Taste of the Wild, Canidae and Solid Gold.