How many times have you had Pet Professionals, your local pet supply store, your neighbors and your friends tell you about using Peanut Butter in your pup’s favorite toy, to re-activate a bone, or to give medicine in a tasty treat? In all fairness, it has been relatively safe all these years, but now there is a hidden danger in SOME Peanut Butter brands that could be lethal for your favorite companion. That danger is a sugar substitute called Xylitol, and while it is safe for people, even a small amount of this substance can be cause dramatic illness and even death in canines. Ingestion of as little as 0.1…