Food Intolerance Blood Test (IgG)
A food intolerance response takes place in the gut, and it occurs when you are unable to properly break down the food. This could be due to enzyme deficiencies, sensitivity to food additives or reactions to naturally occurring chemicals in foods. Often people can eat small amounts of the food without causing problems. The results are best used as a discussion point with a qualified practitioner who can interpret them alongside your symptoms and history rather than as a stand-alone diagnosis.
Our food intolerance range assesses your antibody response to the foods you eat. Choose the panel that suits your diet - from a focused 96-food screen up to our most comprehensive 240-food assessment - with options weighted toward Western, Asian or plant-forward diets. Your sample is screened using the ELISA method, and you can select the antibody marker that fits your needs: IgG for delayed-type responses, IgA for mucosal gut-lining responses, an IgG + IgA combination for the fullest picture, or our IgG4 subclass option. View our Guide to Food Intolerance Testing for more information.
What's included
Antibody responses to Candida may indicate an overgrowth of this yeast in the gut, which can disrupt the microbiome and has been associated with symptoms such as bloating, fatigue, brain fog and skin issues.
Antibody responses to dairy can be relevant to gut health, immune function and overall well-being. These proteins can be difficult to digest and may be associated with inflammation, skin issues, sinus congestion and digestive discomfort in sensitive individuals.
Antibody responses to animal proteins may be associated with digestion, skin health and immune balance, and can relate to protein metabolism or gut barrier function.
Antibody responses to seafood proteins may be associated with digestive discomfort, skin reactions and immune activation, and can relate to cross-reactivity with other animal proteins or to histamine intolerance.
Antibody responses to fruits may be associated with digestive discomfort, skin reactions and inflammation, and can relate to fructose malabsorption, histamine intolerance or sensitivity to natural fruit sugars and phenolic compounds.
Antibody responses to grains, legumes, nuts and seeds may be associated with digestive discomfort, inflammation and nutrient malabsorption, and can relate to gut barrier function or cross-reactivity with other plant proteins.
Antibody responses to herbs and spices may be associated with digestive discomfort, inflammation and skin reactions in sensitive individuals. These contain bioactive compounds that can affect the gut lining where barrier function is compromised.
Antibody responses to these items may be associated with digestive upset, inflammation and immune activation, and are common considerations where there is a history of yeast overgrowth or altered gut barrier function.
Antibody responses to vegetables may be associated with digestive discomfort, inflammation and immune activation, and can relate to cross-reactivity or histamine intolerance where the gut barrier is compromised.
Test instructions
You’ll receive your venous blood draw test kit in the mail, along with logistics for your sample collection.
Results for this test available in 10-12 days and will be published in your online dashboard.
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