Nutrience Sub-Zero is a Canadian made premium food, closely mimicking the ancestral diet of your dog. Combining protein-rich kibble and freeze-dried Nutriboost to deliver the nutritional benefits of raw in a convenient & easy to use a recipe. Our Prairie Red formula is prepared with fresh, never frozen Canadian sources of beef, bison, wild boar, Pacific wild-caught fish and real freeze-dried meat for a superior flavour that even the finickiest dogs will crave.