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The Efunctional Food Sensitivity test can be used to guide an elimination diet and figure out what foods cause you discomfort. The test measures your immune response to different foods using self-collected dried blood spots.

Tests For: The Food Sensitivity test measures a specific type of immune response, IgG antibodies, that may be related to how well you process and digest food. This is different than an allergy, which is caused by IgE antibodies.


Collection Method: Finger Prick.

Discreet Packaging

Confidential Results

Trusted Laboratories

Efunctional Food Sensitivity Test (216 Foods)

  • Food sensitivities refer to problems with processing or digesting certain foods. Common sources of food sensitivities are:

    • Dairy/lactose
    • Gluten (proteins found in grains like wheat, barley, and rye)
    • Eggs
    • Caffeine (a natural stimulant found in coffee, tea, soda, and energy drinks as well as chocolate)
    • Salicylates (natural chemicals that are found in a wide range of foods, including fruits, vegetables, teas, coffee, spices, nuts, and honey; also used as a food preservative)
    • Amines (natural chemicals commonly found in fermented foods)
    • FODMAPs (fermentable oligo-, di-, mono-saccharides, and polyols — specific carbohydrates and sugars that can draw water into the digestive tract)
    • Sulfites (a chemical found naturally in grapes and aged cheeses; also used as a preservative in food, drinks, and medications)
    • Aspartame (an artificial sweetener)
    • Monosodium glutamate (MSG — a flavor-enhancing food additive)
    • Yeast 
    • Food coloring
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