There are more than 170 food that have been classified as triggers for food allergies, however, the FDA classifies only 8 as many allergens in the US, these include; milk, egg, peanut, tree nuts, shellfish, fish, wheat, and soy. Out of those top 8, milk, peanut, and egg makeup 80% of allergens found in kids. Other allergies typically develop as we enter adulthood.