Keep Your Pup Away From The Sugar Substitute Xylitol.

Xylitol is a sweetener that's common in sugarless chewing gum and other sugar-free products, that can be deadly for dogs. Along with gum, Xylitol is used in products including mints, gummy vitamins, toothpaste, specialty peanut butter and melatonin sleep aids. 

So be aware and be sure to keep any sugar free gum up and away from your pup. You can read more about the dangers of Xylitol and dogs here.