This tidbit may be minimal, however, so long as you chew gum (mostly the SF 5 calorie stuff) for 30 minutes, its not necessary to track it.
Believe it or not, you can actually burn some extra calories by chewing gum. "Besides being good for your breath--especially if you eat a lot of protein--researchers at the Mayo Clinic have found that chewing gum will burn an additional 11 calories per hour," says Dan Benardot, Ph.D., R.D., author of Nutrition for Serious Athletes.
I'm only posting this because gum is such a great way to curb sweet tooth urges, yet so many people feel the need to track every last detail, when in fact, chewing gum burns more calories than you consume. CHOMP AWAY I SAY