Key Benefits and Actions† Aller D-Hist for Kids is potent and naturally supports histamine response, gentle enough for everyday use. This bestselling formula contains a blend of herbs that focus on the health of the respiratory tract and healthy immune balance for comprehensive support. Provides temporary relief of occasional, mild respiratory symptoms associated with allergies. Physician Formulated, cGMP, Third Party Tested Alcohol Free, Non-GMO, Gluten Free, Soy Free, Dairy Free, Vegan, Kosher