FUNCTION: This formula can be taken as a preventive measure prior to allergy attacks or as a remedy for allergies. it will help with sinus problems, breathing difficulty as well as other comon allergy symptoms such as sneezing, red itch eyes and headaches. Allergy Aid formula is an herbal supplement that uses plants to strengthen the body’s immune responses and has the ability to calm the overreaction of the immune system to allergens in your environment.