well it can be tough but for packaged store items like sausage you really got to read the labels and learn what the stuff listed actually is.
you want to avoid sugar for sure and most people avoid wheat and soy. unfortunately youll find just about every prepackaged food item includes some form of sugar wheat and soy
primal means different things to different people so you kind of got to figure out what your definition is. i just stick to the basics and try to do the best i can with whats out there