Clinical Research Directory

Inclusion Criteria: * Parent/guardian(s) must understand and provide informed consent * Infant \<26 weeks of age at enrollment * Willing to be randomized to either intervention or control * In good general health as evidenced by medical history * Stated willingness to comply with all study procedures and availability for the duration of the study * Child assigned male or female sex at birth Exclusion Criteria: * Infant completed less than 28 weeks gestation * Co-morbid medical diagnoses that would prevent caregivers from initiating solid foods per protocol, such as dysphagia, chronic aspiration, malformations, etc. * Co-morbid medical diagnoses that would require specialized diet/nutritional needs, such as congenital heart disease, genetic/metabolic disorders, malignancy, etc. * Caregivers who express unwillingness to introduce peanut, milk, egg, or cashew * Caregivers who cannot provide informed consent in English or Spanish * Parents planning to move away from study sites before child is 12 months of age * Investigator or designee considers that the participant or parent/guardian would be unsuitable for inclusion in the study * Infant with a sibling enrolled in the study