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IgG Food Antibodies Bloodspot - Genova Test Kit

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The IgG Food Antibodies Bloodspot - Genova Test Kit helps identify the body’s immune response to certain foods with a simple finger stick.


Test Code:






Ship collection kits Monday through Friday only. No fasting is required. For food antibodies testing, it is suggested that the patient eat a variety of foods for 2-3 weeks before testing (except for foods known to cause severe reactions). Doing so will help to ensure the presence of antibodies to problematic foods. Antibodies to a particular food may be ABSENT if the food was not consumed recently. Certain medications may influence antibody testing: Glucocorticoids, chemotherapy, other immunosuppressive agents, NSAIDS, anticonvulsants, Omalizumab, and Heparin. If possible, take medications or supplements after collection. Check with your physician before stopping medications.

Test Results:

7 business days once the lab receives the specimen. May take longer based on weather, holiday, or lab delays.

This test measures the following analytes:

  • Alfalfa | Almond | Apple | Apricot | Asparagus | Avocado
  • Banana | Beef | Beets | Blueberry | Broccoli | Buckwheat
  • Cabbage | Cane Sugar | Carrot | Casein | Celery | Cheddar Cheese | Chicken | Chocolate | Clam | Cod | Coffee | Corn | Corn Gluten | Cottage Cheese | Cow's Milk | Crab | Cranberry | Cucumber 
  • Egg White | Egg Yolk
  • Garlic | Gluten | Goat's Milk | Grape | Grapefruit | Green Pepper
  • Kidney Bean
  • Lactalbumin | Lamb | Lemon | Lentil | Lettuce | Lima Bean | Lobster
  • Mushroom
  • Oat | Olive | Onion | Orange | Oyster
  • Papaya | Pea | Peach | Peanut | Pecan | Pineapple | Pinto Bean | Plum| Pork | Potato, Sweet | Potato, White
  • Raspberry | Red Snapper | Rice | Rye
  • Salmon | Sardine | Sesame | Shrimp | Sole | Soy | Spinach | Strawberry | String bean | Sunflower seed
  • Tomato | Trout | Tuna | Turkey
  • Walnut | Wheat
  • Yeast | Yogurt
  • Zucchini


What is the purpose of this test?

Order this IgG Food Antibodies Bloodspot - Genova Test Kit to measure antibodies to 87 commonly consumed foods to screen for food sensitivities. Food allergens are prevalent in the United States, affecting about 5% of adults and 8% of children. Adverse food reactions can lead to severe symptoms and chronic health conditions. Although any food can cause sensitivity, it is often unknown exactly which food(s) may be the cause, and testing can help identify the problematic foods. After identifying the problematic food(s) and removing it from the diet, the symptoms are usually resolved or managed. This test provides individuals with a complete assessment of IgG-mediated sensitivities that cause a delayed adverse reaction.


What causes food sensitivities?

The body can react to foods in many different ways. Minimal exposure to certain foods may trigger an adverse reaction in sensitive individuals. Food sensitivities and allergies are primarily broken into two categories either IgE-mediated allergies or IgG-mediated food sensitivities.


  • IgE-mediated food allergies are activated by an immune system response that produces IgE antibodies to combat harmful substances. This type of reaction happens within minutes or hours of ingesting certain foods. IgE-mediated allergies are associated with skin rashes and respiratory and gastrointestinal problems.
  • IgG-mediated food sensitivities are triggered by other immune system factors unrelated to IgE antibodies. Unlike, IgE-mediated allergic reactions, these types of responses do not occur directly after ingesting the food and usually cause gastrointestinal-related symptoms such as vomiting, bloating, and diarrhea.


When should I order an IgG Food Antibodies Bloodspot - Genova Test Kit?

Individuals may order these IgG Food Antibodies - Genova Test Kit if they have experienced sensitivity to certain foods. Sensitivity symptoms vary depending on the individual, ranging from mild to severe reactions. Most food-related symptoms occur within two hours of ingestion but frequently begin within minutes. In addition, the response can be delayed by four to six hours or even longer in rare cases.


Individuals with food sensitivities may experience one or more of the following symptoms:


  • Abdominal discomfort
  • Nausea or vomiting
  • Diarrhea
  • Gas and bloating
  • Headaches or migraines
  • Heartburn

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