More than 40 million North Americans suffer from seasonal and/or situational airborne allergies caused by an over-active immune system. For relief, many turn to medications, which can cause side effects such as nervousness, fatigue, headache and drowsiness. Of course, the best solution is to maintain a healthy immune system before it becomes a problem.

"Allergy" is defined as a state of hypersensitivity or hyperimmunity caused by exposure to a particular antigen (allergen) such as pollen, mold, dust, mite and animal dander. Upon subsequent exposure to an allergen, the bodys immune system often over reacts, causing common allergic symptoms such as nasal blockage, itching of the nose, sneezing and rhinorrhoea (runny nose). The initial stages of airborne allergies ("hay fever") are seasonal in nature, but later often become perennial (year-round).

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Allergies are the result of a cascade of events that trigger an allergic response by the bodys immune system. First, an allergen such as pollen comes into contact with a specific cell in the bodys immune system called an "antigen-presenting cell." This in turn triggers T-cells to release interleukins IL-4 and IL-5. These interleukins then activate B-cells to release antibodies, which are specific to the antigen (i.e. pollen) that first came into contact with the bodys immune system.

Once the specific antibodies are released they travel around the body and attach themselves to mast cells, which are storehouses of inflammatory mediators such as histamine. The next time the bodys immune system comes into contact with the anitgen (i.e. pollen), it binds to the antibody that is bound to the mast cell, which causes the mast cell to degranulate (breakdown). This, in turn, causes the release of histamine and other inflammatory substances that irritate the epithelial cells of the nose and throat, producing the symptoms of allergy such as runny nose, coughing, sneezing, etc. Aller-7 works by promoting a healthy immune system before it becomes a problem.

More than 10 years in the making, Aller-7 is the most extensively researched all-natural product clinically proven to promote respiratory health and normal breathing seasonally and all year round. Starting with extensive knowledge and an evaluation of more than 50 plants possessing the most promising immune-enhancing properties and applying modern techniques of investigational science, numerous combinations of extracts were prepared and tested. In the end, one formula stood out above all others, a unique combination of seven standardized herbal extracts called Aller-7. Subsequently, numerous clinical and sub-clinical studies, including multi-center, double-blind, placebo-controlled clinical trials, have validated the safety, efficacy and tolerability of Aller-7.