Millions of people worldwide are affected by seasonal and food allergies. Allergies are hypersensitivity responses that occur when the immune system overreacts to substances that are normally harmless such as pollen, pet dander, or certain foods. Allergies are associated with a variety of symptoms such as sneezing, itching, nasal congestion, skin rashes and digestive symptoms. Some allergies need an immediate medical intervention as life threatening while most of the allergy management involves allergen avoidance and symptomatic treatment by medications. However, there is substantial research support on application of micronutrients in modulating the immune response and reducing allergy symptoms. Some of these include: