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FOR PARENTS AND CAREGIVERS

The Ultimate Guide to Introducing Allergenic Foods: A Data-Driven Approach

A data-driven guide for parents on how to safely and effectively introduce allergenic foods to infants, reducing the risk of food allergies.

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Approaches to Solid Food Introduction

The introduction of solid foods is a major milestone in a child's development. Current pediatric guidance suggests that introducing common allergenic foods early can be associated with a reduced risk of developing food allergies later on.

Common Allergenic Foods

When beginning solid foods, parents often introduce a variety of items, including those that are common allergens:

  • Peanut products (in infant-safe forms, never whole peanuts)
  • Eggs
  • Dairy (such as yogurt, though whole cow's milk as a drink is generally delayed until after 12 months)
  • Tree nuts, soy, and wheat

Strategies for Introduction

  1. Timing: Many guidelines suggest starting allergenic foods around 6 months of age, alongside other solids.
  2. One at a Time: Introducing one new allergenic food at a time can help you monitor for any reactions.
  3. Appropriate Textures: Always ensure the food is prepared in a way that minimizes choking risks, such as thinning peanut butter with water or breastmilk.
  4. Ongoing Exposure: Once a food is introduced safely, offering it regularly can support continued tolerance.

The evidence base for this topic

7 peer-reviewed sources, each verified against its PubMed record and labelled by study type. These are the literature this topic rests on rather than a citation for every individual sentence — see how we source.

  1. EAACI guideline: Preventing the development of food allergy in infants and young children (2020 update)

    Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2021 · Guideline · PMID 33710678

  2. A Consensus Approach to the Primary Prevention of Food Allergy Through Nutrition: Guidance from the American Academy of Allergy, Asthma, and Immunology; American College of Allergy, Asthma, and Immunology; and the Canadian Society for Allergy and Clinical Immunology

    The journal of allergy and clinical immunology. In practice · 2021 · Guideline · PMID 33250376

  3. Preventing food allergy in infancy and childhood: Systematic review of randomised controlled trials

    Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2020 · Systematic Review · PMID 32396244

  4. Feeding Practices in the Introduction of Complementary Feeding and Implications for Future Healthy Eating

    Annals of nutrition & metabolism · 2025 · Review · PMID 40112782

  5. Guidance for healthy complementary feeding practices for allergy prevention in developed countries: An EAACI interest group report

    Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2025 · Review · PMID 40686257

  6. Prevention and Treatment of Peanut Allergy

    The New England journal of medicine · 2026 · Review · PMID 42341303

  7. Prevention of IgE-Mediated Food Allergy: Emerging Strategies Through Maternal and Neonatal Interventions

    The journal of allergy and clinical immunology. In practice · 2024 · Review · PMID 38677585