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Allergies & Intolerances to Eggs

Foods containing egg

Eggs are common in many recipes, from noodles to cakes, so if you need to exclude it from your diet for any reason, it’s important that you keep in mind the many foods that this ingredient may be present in.
Foods that may include egg include;

  • Cake
  • Custard
  • Egg substitute (often made with egg whites, used to lower the total cholesterol in a recipe)
  • French toast
  • Ice cream
  • Marshmallows
  • Marzipan (not all recipes use egg though)
  • Mayonnaise
  • Meringue
  • Noodles
  • Nougat
  • Pasta
  • Speciality coffee

What does an allergy or intolerance to egg mean?

Egg Intolerance

Egg intolerance is where the body struggles to properly digest eggs or a food containing eggs. This often results in digestive symptoms like bloating or diarrhea. Studies indicate that following an elimination diet based on food intolerance testing can help alleviate these symptoms.

Common symptoms of egg intolerance include;

  • Fatigue
  • Skin Problems & Eczema
  • Joint Pain
  • Nausea

Egg Allergy

Egg allergy is the second most common allergy in children, however approximately 68% of children outgrow this allergy by the time they are 16 years old [1].

It’s possible to be allergic to egg whites but not egg yolks, and even vice versa. However, it’s far more common to be allergic to only egg whites rather than only egg yolk, due to the high protein content in whites, while egg yolks have a very small amount.

Interestingly enough, some studies have indicated that introducing baked goods to children with an egg allergy can speed up the desensitisation process, helping them to outgrow the condition in a shorter time-span [2].

Common symptoms of an egg allergy include;

  • Vomiting and nausea
  • Swelling of the lips, mouth, tongue, or face
  • Wheezing or difficulty breathing
  • Tight chest
  • Hives
  • Watery eyes
  • Itching

Testing for intolerance to egg

Testing for an egg intolerance can be conducted through simple home-to-lab blood sample testing. A small blood sample can be taken at home, and then sent to a lab for analysis. These blood tests analyse the IgG (Immunoglobulin G) levels within the blood to determine if an intolerance to various food items is present and uses a standardised benchmark for making these measurements [3].

Testing for an egg allergy

An allergy test can be conducted using the same blood sample but looks at a different kind of immunoglobulin – IgE. This sample, taken at home and sent to a lab for testing, will highlight any potential allergies.

Helping you to help yourself, at Test Your Intolerance, we have created a food allergy & intolerance testing kit, highlighting which foods your body may be allergic or intolerant to, and what grains of wheat and gluten. In total, the tests can look at reactions in your blood against hundreds of food and non-food items and ingredients. This can be completed easily by sending us a sample of your blood for our scientists to analyse.


Depending on what you are cooking, there are several egg substitutes available for you to use. These include;

  • Aquafaba
  • Egg substitute
  • Commercial Egg Replacer (often made from potato starch, tapioca starch, and leavening agents.)
  • Vinegar and baking soda

What do we offer?

The full Test Your Intolerance process offers:

  • Sending us a quick hair or blood sample.
  • Comprehensive Report sent via email.

Instant Results Access through Email

At Test Your Intolerance, we know you want to know what you are allergic or intolerant to ASAP, as you are most likely looking to alter your diet and cut out offending foods. Therefore, we provide you with access to your results as soon as they are in and have been verified.

Once approved, you will have secure online access to them having received an email from us. With a username and a password, you can login and begin your journey to a new and healthier you, as you eliminate offending foods from your diet. Take a look at your results and read your in-depth report on your allergies & intolerances.

A full report sent by email.

Enabling the convenience of being able to see your results online immediately, we also send you a comprehensive report, outlining all the foods that you are allergic or intolerant to. These tests help you to take control of your body, and this can set you on your way to managing your own food allergies & intolerances.


[1] Kemp, A.S. (2007). Egg allergy. Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology, [online] 18(8), pp.696–702. Available at: [Accessed 18 Mar. 2020].

[2] Leonard, S. et al. (2012) “Dietary baked egg accelerates resolution of egg allergy in children”, Journal of Allergy and Clinical Immunology, 130(2), pp. 473-480.e1. doi: 10.1016/j.jaci.2012.06.006 [Accessed 18 Mar. 2020].

[3] Lin, S., Yang, X., Xing, Y., Wang, X. and Li, Y. (2019). The Clinical Application Value of Multiple Combination Food Intolerance Testing. Iranian journal of public health, [online] 48(6), pp.1068–1073. Available at: [Accessed 18 Mar. 2020].

Order now. Four easy steps.

step1 illustration 1 - Eggs


Choose from our range of blood and hair tests to suit your needs and order it online.

step2 illustration 1 - Eggs


We’ll send you a test submission form for your hair product to print and complete and a blood pack delivered to you.

hair blood2 1 - Eggs


Take a blood or hair sample and post it back with your test submission form or blood kit.

step4 illustration 1 - Eggs


Get your comprehensive test report within 7-10 days of us receiving your sample.

View our blood and bioresonance tests

We use Bioresonance equipment to perform our hair tests. Discover more about Bioresonance
testing including the process and research papers on our dedicate Bioresonance page.

The Choice 70 or Prime 110 tests use a small blood spot kit which is posted direct to your door and test both IgE and IgG4 antibodies for allergies and intolerances. Find out more by clicking below.