According to the experts at Chewy, aka the destination for all things pets, " it’s important to read the entire package , not just the front of the bag or can, to really understand what’s in the food." Dr. Laurie Coger (owner of The Healthy Dog Workshop ) points out that the useful information is listed on the back of your pet's food under, "ingredients and nutritional analysis," where you should look for items that are free of preservatives, artificial colors, or low-quality proteins