Early peanut protein introduction reduces allergy prevalence by approximately 80%.
Prevention and Treatment of Peanut Allergy.
George Du Toit, Gideon Lack
The New England journal of medicine · Jun 2026 · Q1 in General Medicine
80%
Results
80%
early peanut introduction means 80% fewer children develop peanut allergies
More results
Appropriate prevention involves ingestion of approximately 2 g of peanut protein weekly for infants at low risk and 4 to 6 g weekly for infants at high risk.
More results
Population-level implementation that targets all infants achieves greater reduction in disease burden than approaches that target only high-risk groups, although disparities exist among some ethnic groups and groups with restricted access to care.
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Conclusion
The natural history of untreated peanut allergy follows a trajectory of increasing peanut-specific IgE levels and clinical reactivity over time, underscoring the importance of early intervention during this narrow developmental window.