Abstract: The present disclosure provides compositions and methods for dietary management of celiac disease and food allergy in a subject, such as a formula-fed infant, via enteral administration of an effective amount of at least one hydrolyzed protein and Lactobacillus rhamnosus GG (LGG). The inventive nutritional compositions may contain a hydrolyzed protein component, a lipid component, a carbohydrate component, a vitamin component, a mineral component, and a prebiotic component in addition to a probiotic component, which comprises an effective amount of LGG.