Trial subjects will be identified by their presenting complaints due to ingestion of certain symptomatic foods. Clinical assessment of potential food allergy participants for SLIT will occur according to usual testing standards. All participants will have diagnostic tests (usually RAST analysis and or food challenge techniques) to confirm specific food allergies. Subjects who meet the inclusion criteria will be asked to participate in the study through informed consent. Once consent has been obtained, the subject will be randomly assigned to either the control or the intervention group.