Table 2.

Data from human studies related to food allergy prevention.

Study	Probiotic	Findings
Boyle et al. [48]	LGG to a pregnant mother	No reduction in the risk of eczema and food sensitization to eggs, peanuts, and cow’s milk in offspring
Dotterud et al. [49]	LGG, L. acidophilus La-5, and B. animalis subsp. lactis Bb-12 to a pregnant and lactating mother	Lower cumulative incidence of atopic dermatitis and no effect on atopic sensitization in offspring
Rautava et al. [50]	L. rhamnosus LPR and B. longum BL999 or L. paracasei ST11 and B. longum BL999 to pregnant and lactating mothers	Lower risk of eczema and no effect on atopic sensitization in offspring
Kuitunen et al. [51]	Probiotic mixture (lactobacilli, bifidobacteria, and propionibacteria) for pregnant mothers and their infants after birth	No difference in the cumulative incidence of allergic diseases and IgE sensitization at 5 years of life in offspring
Kalliomäki et al. [52]	LGG to the pregnant mother and their infants after birth	Lower incidence of early atopic diseases in high-risk children
Plummer et al. [53]	B. infantis, B. lactis, and Streptococcus thermophilus in very preterm newborns	No effect on the incidence of allergic diseases or atopic sensitization during the first 2 years of life
Morisset et al. [54]	Not hydrolyzed fermented formula containing heat-killed B. breve C50 and Streptococcus thermophilus 065 to infants at high risk of atopy	No effect on the incidence of CMA, a lower proportion of positive skin prick tests in cow’s milk, or a lower occurrence of allergy-like events in the first 2 years of life