It has a rubbery texture, which is why your chewing gum is "chewy." And because lanolin is considered to be a standard component of gum base, manufacturers don't have to list it as an ingredient.

Chew on this: Chewing gum can be good for you. Not only can it freshen your breath, it can help you overcome cigarette cravings, improve your memory -- and even help you lose weight. Still ...