Extra gum may be sugar-free, but it's still plenty sweet. That's thanks primarily to the artificial sweeteners aspartame and acesulfame K. Extra gum also contains sugar alcohols such as sorbitol and mannitol. ... That's what allows gum with xylitol or other sugar alcohols to be marketed as sugar-free.

Is Extra chewing gum poisonous to dogs?

Chewing gum contains Xylitol which can be fatal for your dog. Vets have warned pet owners not to leave chewing gum lying around in coat pockets and handbags because it contains an ingredient that's toxic to dogs.

Does Extra Spearmint gum have xylitol in it?

The one ingredient in sugar-free gum that we need to be concerned about in dogs is Xylitol as it is highly toxic. Now, regular Extra sugarless spearmint gum doesn't appear to contain xylitol. ... Xylitol-containing products are very toxic.