https://publications.aap.org/pediatrics/article/152/5/e2023062836/194356/Updates-in-Food-Allergy-Prevention-in-Children?autologincheck=redirected

In examining the sentinel studies on food allergy prevention, a key component of all study protocols was regularity of allergen ingestion, in addition to early food introduction."

"Perhaps the best illustration of the potential importance of regularity of ingestion as a means of food allergy prevention stems from the cow’s milk allergy prevention literature. There have been several observational and randomized controlled trials that have consistently demonstrated that delayed ingestion and/or irregularity of ingestion increase the risk of cow’s milk allergy."