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Soy Allergy IgE Blood Test

The soy allergy IgE blood test measures the amount of allergen-specific IgE antibodies in the blood to detect an allergy to soy.

Sample Report

Test Code: 602457

Also Known As: Soybean; Soya

Methodology: Thermo Fisher ImmunoCAP®

Preparation: No special preparation required.

Test Results: 3-5 Days. May take longer based on weather, holiday or lab delays.


Test Code: 2814

Also Known As: Soybean; Soya

Methodology: Immunoassay (IA)

Preparation: No special preparation required.

Test Results: 3-5 Days. May take longer based on weather, holiday or lab delays.

Description

Order a soy allergy IgE blood test to detect an allergy to soy. This test measures the amount of allergen-specific antibodies in a blood sample. 

Soy is one of the top eight most popular food allergens responsible for most allergic reactions. Soy products come from soybeans, a vegetable, and are classified as part of the legume family. An allergy to one legume can often be linked to an allergy to another legume, including navy, string, kidney, black and pinto beans, chickpeas, carob, licorice, peanuts, and lentils.

Soybeans, unlike other plant foods, have a high protein content that is comparable to animal foods. Soy is a complete protein, much like beef. This means it contains all of the necessary amino acids that your body requires but cannot create on its own. Not only is soy an excellent source of protein, but it also contains a variety of other nutrients. Soy contains omega-3 and omega-6 fatty acids, which are both beneficial fats. Folate, calcium, iron, vitamin D, insoluble fiber, zinc, copper, phosphorus, magnesium, manganese, and B vitamins are abundant in soy.

Individuals with a soy allergy should avoid foods and products containing soy. 

Common foods containing soy:

  • Edamame
  • Soya
  • Salad dressings
  • Miso
  • Soy products
    • Albumin
    • Cheese
    • Fiber
    • Yogurt
    • Ice cream
    • Curd
    • Flour
    • Grits
    • Nuts
    • Milk
    • Sprouts
  • Tamari
  • Soybeans
  • Tempeh
  • Soy sauce
  • Teriyaki sauce
  • Natto
  • Tofu
  • Textured vegetable protein

Foods that could contain soy:

  • Asian foods (Japanese, Chinese, Thai, etc.)
  • Baked goods
  • Cereal
  • Cheese
  • Condiments
  • Butter substitutes
  • Gravy
  • Pasta
  • Meal replacements
  • Crackers & chips
  • Candy
  • Canned meat
  • Hot dogs
  • Yogurt
  • Cooking oil
  • Flour
  • Ice cream
  • Broth
  • Vegetable products
  • Starch
  • Artificial or natural flavoring
  • Vitamin E

An allergy to soy triggers a reaction in an individual's immune system. The body views certain substances as toxic and produces IgE antibodies to these contaminants. These antibodies cause histamine to be released, which will cause the symptoms of an allergic reaction.

Allergy symptoms vary from one individual to the next ranging from mild to severe reactions, which can be experienced within minutes to hours after exposure. Common symptoms of a soy allergy may include one or more of the following symptoms:

  • Hives
  • Skin redness
  • Eczema
  • Tingling in mouth
  • Swollen face, tongue, lips, or throat
  • Wheezing
  • Runny nose
  • Abdominal pain
  • Vomiting
  • Diarrhea
  • Nausea
  • Fever
  • In rare cases, anaphylaxis

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