Sugar gliders are omnivores.
Gliders are high-energy creatures and need lots of carbohydrates which breads and cereals can provide. Try experimenting with new foods, and make sure to rotate favorites to keep gliders from losing interest. In the wild, insects are a regular part of a sugar glider's diet. They really enjoy eating live insects like crickets and mealworms. If you would rather not deal with live insects, Exotics Central sells freeze-dried insects.