Zilla Fortified Food for Adult IguanasBecause an adult iguana has special dietary needs, Zilla researchers formulated a food specifically to suit a mature pets 2 3 day feeding cycle and unique nutrition demands. Zilla food contains the added fiber a mature digestive system requires, along with a tempting mix of plant materials iguanas prefer. Consistency is carefully monitored, since iguanas cannot masticate (chew) food. Custom blended for adult iguanas Sized, ground for easy digestion