IgG Food Intolerance Test Indicates Intolerance To One Or More Of 90 Foods

Do you experience a reaction every time you eat a certain food? If so, then you may be suffering from a food allergy or food intolerance. But how do you know for sure? There are several tests available to determine why your body seems to be reacting to a particular food. One of these is the IgG food intolerance test.

IgG testing looks for antibodies that may indicate an intolerance to one or more of 90 foods. It can be conducted through a blood draw or a blood spot. This medical test checks for elevated levels of food-specific IgG antibodies, which will identify the problem ingredient. These blood panels, also known as ELISA/EIA, involve coating a special plate with food antigens. The patient's blood is added to the plate, and the clinical laboratory looks for a reaction between the food antigen and antibodies in the patient's blood.

Although this may seem like an easy way to identify the source of your food intolerance, it is not as simple as it seems. It is estimated that up to 95% of the population has IgG antibodies for foods eaten regularly. It can be difficult to determine whether the level of antibody found in the blood is enough to indicate a food intolerance, leading to the potential for false positives and causing people to eliminate foods from their diet that actually are not causing a problem. Despite this issue, IgG testing remains the easiest way to pinpoint a food intolerance without following an allergy elimination diet. It enables doctors to pinpoint the source of their patient's discomfort and recommend which foods should be avoided.

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