Cats naturally release an allergen, Fel d1 glycoprotein, in their saliva.

Cat allergies affect an estimated 12.1% of people older than 6, but a cat food ingredient derived from chicken eggs may help those folks embrace felines without sneezing fits. In a feeding trial, 42 cats ate an anti-allergy diet, made using IgY antibodies found naturally in eggs. Scientists with Nestlé Purina PetCare reported no health differences in those cats compared to felines on a convention food after 26 weeks. They published their results in Frontiers of Veterinary Science. Read more.

Wall, T., 2020. Allergy-Fighting Cat Food Safe In Feeding Trials. [online] Petfoodindustry.com. Available at: <https://www.petfoodindustry.com/articles/9330-allergy-fighting-cat-food-safe-in-feeding-trials&gt; [Accessed 29 June 2020].