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.本發明透過經腸投予有效量之至少一種水解蛋白及雷曼氏乳酸桿菌GG(LGG)提供膳食管理個體(如哺餵配方奶之嬰幼兒)之乳糜瀉及食物過敏的組成物及方法。本發明之營養組成物可包含除了有效量之LGG的益生菌成分以外，水解蛋白成分、脂質成分、碳水化合物成分、維生素成分、礦物質成分及益菌生成分。
