Timeless Health Clinic 

Integrative Medicine


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IGG Food Sensitivity Testing

Most of us are familiar with the allergies that cause immediate anaphylactic symptoms such as difficulty breathing, hives, redness, itchiness, and swelling. In these reactions, the allergic foods cause the body to produce IgE antibodies and the response is known as a Type I immediate hypersensitivity.

A lesser recognized allergic reaction, called a Type III delayed hypersensitivity, produces IgG antibodies instead. IgG reactions take hours or days to develop, and since this type of reaction does not occur immediately, identifying the responsible foods can be difficult, especially when multiple foods are involved.

In an IgG reaction, the IgG antibodies attach themselves to the food antigen and create an antibody-antigen complex. These complexes are normally removed by special cells called macrophages.  However, if they are present in large numbers and the reactive food is still being consumed, the macrophages can’t remove them quickly enough. The food antigen-antibody complexes accumulate and are deposited in body tissues. Once in tissue, these complexes release inflammation causing chemicals, which may play a role in numerous diseases and conditions.

IgG allergy testing can help identify undiagnosed food sensitivities that may be contributing to symptoms or illness. These delayed allergic reactions can contribute to a variety of health problems including: weight gain, headaches, mood disorders, asthma, eczema, irritable bowel disease, joint pain, and various skin disorders.