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Your food allergy test as a clear guide for your diet

A food allergy test is a diagnostic procedure that detects specific IgE antibodies in your blood to determine if your immune system is overreacting to certain foods. It helps you distinguish between a true allergy and a mere intolerance, thus identifying the cause of your symptoms.

Allergy or just an intolerance?

Stomach pain after eating, a tingling in the mouth, or a sudden skin rash – when your body reacts to certain foods, the first thought is often: "I have an allergy." But before you consider a food allergy test , we need to clarify a crucial question: Is it really an allergy or an intolerance?

These two terms are often used interchangeably in everyday language, but they describe two completely different processes in your body. Understanding this difference is the first and most important step in correctly classifying your symptoms and taking the appropriate action.

The crucial difference lies in the immune system.

A true food allergy is always a reaction of your immune system. Your body mistakenly classifies a normally harmless substance, for example a protein in peanuts or milk, as a dangerous intruder. It then produces specific antibodies of the immunoglobulin E (IgE) type.

With each subsequent contact with this allergen, your immune system immediately sounds the alarm. It triggers a chain reaction that can range from mild skin reddening to life-threatening symptoms.

Imagine your immune system as an overzealous security guard. In the case of an allergy, it mistakes a harmless visitor (the food) for a burglar and immediately triggers the general alarm.

A food intolerance, also called an intolerance, has nothing to do with the immune system. Here, the problem almost always lies in the digestive system. For example, your body lacks a specific enzyme to properly break down and process a food component like lactose (milk sugar). The symptoms are often very unpleasant, but usually not life-threatening.

If you would like to understand the differences in more detail, you can find comprehensive information on the distinction between allergy and intolerance in our article.

Interpretive symptoms – what you should pay attention to

The nature of the symptoms and how quickly they appear often provide important initial clues as to what you might be dealing with:

  • Typical allergy symptoms: These usually strike very quickly – often within minutes to a maximum of two hours after consumption. They can affect the skin (hives, swelling), the respiratory system (shortness of breath, wheezing), and even the circulatory system (dizziness, collapse). Tingling in the mouth or swollen lips are also classic signs.
  • Typical intolerance symptoms: These usually include digestive problems such as bloating, abdominal pain, diarrhea, or constipation. They often appear with a delay, sometimes only hours after eating.

It's truly remarkable how much one's own perception can differ from the actual medical diagnosis. While surveys indicate that around 30 percent of Germans suffer from a food allergy, scientific studies paint a completely different picture.

A comprehensive study concluded that the actual rate in adults is only 3.7 percent . You can read more about these interesting study results on the prevalence of food allergies here.

This knowledge will help you to better understand your symptoms and why targeted testing is the next logical step to finally gain clarity.

A direct comparison of the most common testing methods

If you're finally seeking clarity about your body's reactions, you're faced with an important question: Which food allergy test is right for you? The world of diagnostics offers various ways to get to the bottom of your symptoms. Each method has its own strengths and weaknesses.

To make it easier for you to get started, we'll introduce you to the most important testing methods. This will give you a solid foundation to make an informed decision about a self-test like the one from mybody®x.

This graphic will help you classify your symptoms and decide whether an allergy or an intolerance is more likely.

Flowchart to differentiate between allergy and intolerance based on symptoms and immune response.

The decision tree makes it clear: A true allergy is always a reaction of the immune system, while intolerances are usually due to problems with digestion.

The skin prick test at the allergist

The prick test is a true classic in allergy diagnostics and is performed directly in the doctor's office. Small drops containing various allergen extracts are applied to your forearm. The skin is then very lightly pricked at these points to allow the substances to penetrate the top layer of skin.

If your body reacts to an allergen, a small, itchy swelling will form within 15 to 20 minutes – much like a mosquito bite. This method is quick and provides immediately visible results, but it also has its drawbacks. Certain medications, such as antihistamines, must be discontinued beforehand, and the test is often not feasible in cases of severe skin conditions.

Specific IgE blood test

A modern and highly accurate alternative is the specific IgE blood test. In this test, a small amount of blood is taken and analyzed in a laboratory for IgE antibodies against a wide variety of foods. This is precisely the technology used in the mybody®x home tests .

The major advantage: You don't have to stop taking any medication, and the test is completely independent of your skin's condition. It measures the sensitization of your immune system at a molecular level and provides you with a detailed overview of potential triggers.

An IgE blood test is like looking into the memory of your immune system. It shows you which foods have been marked as "enemies," even if the last contact was some time ago.

The results will give you valuable information that you can then compare with your symptoms. While this test detects a sensitization, our guide explains how to test for a food intolerance that is not mediated by the immune system.

The oral provocation test as the gold standard

The oral food challenge test is considered the most reliable method to definitively confirm or rule out an allergy. Under strict medical supervision, you gradually consume increasing amounts of the suspected food.

This test is usually performed in a hospital, as immediate medical assistance must be available in case of a severe reaction. It is often used when other tests have not provided a clear result.

Elimination diet and food diary

An elimination diet is less of a test and more of a diagnostic method used in everyday life. For several weeks, you consistently abstain from all suspected foods. If your symptoms improve noticeably during this time, it strongly suggests a connection.

Next, you reintroduce the foods one at a time, with a gap between each, to identify the exact trigger. Keeping a food diary is essential to accurately document reactions and meals and to recognize patterns.

It is remarkable how many people are affected by allergies. In the German-speaking population aged 14 and over, approximately 12.49 million people consider themselves to have allergies. Women are significantly more affected ( 14 percent) than men ( 6 percent) .

How an IgE blood test reveals your sensitivities

The specific IgE blood test is one of the most modern methods when it comes to a meaningful food allergy test . It's also precisely the technology we at mybody®x rely on to give you clear insights into your body's reactions. But how exactly does it work, and what actually happens to your small blood sample when it arrives at the lab?

Let's take a look behind the scenes of your immune system together. We'll explain in simple terms how this test works and what the results ultimately mean for you.

Your IgE antibodies play the main role.

At the heart of every true allergy are the immunoglobulin E antibodies, or IgE for short. You can best think of them as a kind of special forces unit of your immune system. Normally, their job is to detect and neutralize real threats like parasites.

In an allergy, however, a serious misunderstanding occurs. Your body mistakenly classifies a completely harmless protein – for example, from a hazelnut – as a dangerous intruder. It then specifically produces IgE antibodies that fit this hazelnut protein exactly, like a key in a lock.

These antibodies attach themselves to specific cells called mast cells, which are located throughout your body. From that moment on, your body is "sensitized." If you then eat another hazelnut, the antibodies immediately recognize the allergen, bind to it, and trigger a chain reaction. The mast cells suddenly release messenger substances like histamine, which then cause the typical allergic symptoms such as itching, rash, or shortness of breath.

What happens to your blood sample in the lab

When you take a food allergy test like the one from mybody®x, you only need a few drops of blood from your fingertip. You then send this sample directly to our certified partner laboratory, where the real detective work begins.

There, the blood serum – the liquid part of your blood without the blood cells – is first processed, because this is precisely where your IgE antibodies reside. In an automated process, your serum is then combined with extracts from dozens of different foods.

  • Step 1: Your blood serum is placed on a special test plate containing tiny amounts of different food allergens (e.g., peanut, wheat, milk).
  • Step 2: If your blood has specific IgE antibodies against one of these allergens, they bind very tightly to the appropriate spots on the plate.
  • Step 3: The plate is then thoroughly washed to remove any antibodies that did not find a partner.
  • Step 4: Finally, a solution is added that triggers a color reaction as soon as it comes into contact with bound IgE antibodies. The more intense the color, the higher the concentration of antibodies.

This allows the laboratory to precisely measure how many specific IgE antibodies are present in your blood for each individual food item.

A positive test result indicates sensitization. This means your immune system has essentially created "wanted posters" in the form of IgE antibodies for a specific food. It's a crucial indicator, but not yet a definitive diagnosis of an allergy.

Sensitization is not the same as allergy

This point is incredibly important for correctly interpreting your test result. An IgE blood test measures sensitization , meaning the basic predisposition of your immune system to react to a food. However, it doesn't automatically mean that you will actually experience symptoms every time you come into contact with it.

In fact, there are people who have a proven sensitization but can eat the corresponding food without any problems. A true allergy is only present when both a sensitization is demonstrable and typical symptoms occur after consumption. Your test result is therefore an extremely valuable piece of information that shows you where you need to look more closely. The mybody®x Allergy IgE Blood Test for home use provides you with precisely this sound basis to finally uncover the connections between your diet and your well-being.

Here's how easy your at-home allergy test works

Do you finally want to take action and take the first step towards understanding your symptoms? A home test from mybody®x is a straightforward and completely reliable way to gain valuable initial insights. We'll guide you through the entire process – from ordering and the incredibly easy sample collection to your personalized results report, which is truly easy to understand.

A person performs a Mybody-x home test and takes a blood sample for the laboratory.

We will provide you with detailed instructions showing you exactly how to quickly and almost painlessly take your sample with a tiny prick of the finger. Afterwards, you will learn what happens in our certified partner laboratory and how we analyze your IgE antibodies to give you a crystal-clear overview of any potential sensitivities.

Your path to success in four easy steps

The entire process is designed to give you maximum clarity with minimal effort. You don't need to make a doctor's appointment or wait weeks for one. Instead, you do everything conveniently from home and still receive a scientifically sound laboratory analysis.

And this is how it all works:

  1. Order and activate your food allergy test kit easily online. A compact test kit with everything you need will arrive in your mailbox in just a few days. Before taking your sample, activate your test online with a unique ID – this ensures that your sample is clearly identified and your data is completely secure.

  2. Easy blood sampling at home. Blood collection is the part many people dread, but we've made it as easy as possible. With the included lancets, a small, barely noticeable prick in the fingertip is all it takes. You collect just a few drops of blood in the tube. Our illustrated instructions guide you safely through each step.

  3. Free return shipping to the lab. Once the sample is in the tube, pack it securely in the enclosed return envelope. We've already paid the postage for you. Simply drop it off at the post office, and it will be on its way directly to our certified German partner laboratory.

  4. Analysis and personal results report: In the lab, experts carefully examine your blood and analyze it for specific IgE antibodies against a variety of foods. The analysis is completed after approximately 10 to 12 business days , and you will receive a notification from us. Your detailed and easy-to-understand results report will then be waiting for you in your secure online account.

What exactly happens in the laboratory

As soon as your sample arrives, the highly precise analysis begins. Our laboratory experts use state-of-the-art immunological testing methods to measure the concentration of IgE antibodies against specific food allergens in your blood.

Each sample is carefully prepared and tested in a fully automated process. This ensures not only the highest accuracy but also virtually eliminates human error. The lab measures how your blood reacts to allergens from common suspects such as nuts, dairy products, grains, fruits, and vegetables.

Your mybody®x test result is more than just a dry list of values. It's an easy-to-understand overview that shows you which foods your immune system reacts to. This gives you a powerful tool to specifically adjust your diet.

It's truly fascinating how diverse the triggers for allergies can be. The most common culprits in Germany vary considerably depending on age. In children, chicken eggs, cow's milk, and peanuts are the main culprits. In adults, on the other hand, it's often pollen-associated allergens like apples, hazelnuts, or carrots that cause problems due to cross-reactions. If you'd like to learn more about these age-related differences in food allergies , you'll find interesting information here.

This simple and direct process allows you to gather reliable data about your body without having to turn your daily routine upside down. You can then use the results to take targeted next steps.

What your test results really mean

Okay, you're holding your results report in your hands – a crucial moment. A positive result from a food allergy test often raises more questions than it answers. But don't worry, we'll help you interpret your results correctly and plan the next sensible steps.

The most important finding first: A proven sensitivity, as shown by your mybody®x test, does not automatically mean that you have to eliminate a food from your diet forever. It is a valuable indicator, a spotlight shining precisely on the potential triggers.

Understanding awareness: the first step

Your results show that your immune system has produced IgE antibodies against certain foods. Your body is therefore "sensitized" and essentially ready to mount an immune response upon contact. However, whether it actually does so, and whether you notice any effects, is a completely different matter.

A clinically relevant allergy only exists when two things occur together:

  1. A demonstrable sensitization: Your IgE test is positive for a specific food.
  2. Relevant symptoms: You experience typical allergic reactions after consuming this food.

Your test result is therefore your personal roadmap, showing you where you need to take a closer look. It's the scientific basis for finally uncovering the connection between what you eat and how you feel.

Your most important tool: the food diary

Now the real detective work begins, and your most important tool is a simple food diary. It will help you connect the abstract data from the lab with your real life. Document exactly what you eat and how you feel afterward for one to two weeks.

Don't just note your meals, but also the time and every symptom, no matter how small. A slight tingling in your mouth, a sudden urge to sneeze, skin redness, or stomach rumbling – everything counts. This way, you'll gradually recognize patterns and be able to pinpoint the suspects from your test results.

Your results report is the map and your food diary the compass. Only together will they reliably guide you to your goal and show you which paths you might want to avoid in your diet.

This step is crucial to avoid unnecessary restrictions. You might find that you react to raw apples (a positive test result), but tolerate applesauce without any problems because the allergens have been rendered harmless by cooking.

When professional help is crucial

Your mybody®x test result is a powerful first step that you have taken into your own hands. However, professional guidance is essential for the next steps, especially if you have severe symptoms or are planning a major dietary change.

Talk to your doctor or a qualified nutritionist. Show them your results report and your food diary. They can help you.

  • To medically confirm the results: If necessary, your doctor can initiate further steps such as a skin prick test or an oral provocation test to be absolutely sure.
  • To make an elimination diet safe: The targeted omission of foods should always be done under expert supervision so that you do not risk nutritional deficiencies.
  • Recognizing cross-reactions: An expert can explain to you why you might react to celery even though you actually "only" have a birch pollen allergy.
  • Creating a balanced diet plan: Together you'll find delicious and healthy alternatives for the foods you have to avoid. This way, your diet remains varied and nutritious.

The mybody®x food allergy test gives you control and provides you with the data. Use this foundation to make the best decisions for your health together with experts and to sustainably improve your well-being.

Frequently asked questions about the food allergy test

You've already gained a pretty good overview of the world of food allergies and the various testing methods. But as is often the case, a few specific questions remain. We want to answer exactly those here – briefly, clearly, and without technical jargon, so you can clear up any remaining uncertainties.

How reliable is a home food allergy test?

A home test from mybody®x, based on the analysis of specific IgE antibodies, is highly reliable in detecting sensitization . Our tests are evaluated in the same certified German laboratories as the tests you have done at your doctor's office. They therefore provide you with a completely scientifically sound basis for identifying potential triggers for your symptoms.

It's important to interpret the results correctly. The test shows you which foods your immune system reacts to by producing antibodies. However, this doesn't automatically mean you'll experience noticeable symptoms. A definitive diagnosis of a true, clinically relevant allergy should always be made in conjunction with your observations (ideally recorded in a symptom diary) and, ideally, in consultation with a doctor or nutritionist.

Is it possible to lose a food allergy?

Yes, that's actually possible, especially in children. Allergies to staple foods like milk, eggs, soy, or wheat surprisingly often simply disappear on their own. You can imagine it like this: over time, the immune system "learns" and recognizes that these substances are actually harmless. It then develops a tolerance.

This happens less frequently in adults, but it's not entirely impossible. Allergies to peanuts, tree nuts, or fish, on the other hand, usually last a lifetime. While there are approaches like specific immunotherapy (desensitization) to retrain the immune system, this method is far from being as established for food allergies as it is for pollen allergies, for example.

How much does a food allergy test cost?

The costs can vary significantly. Standard tests performed by a specialist, such as the prick test, are generally covered by statutory health insurance if there is a clear medical suspicion. More comprehensive IgE blood tests, on the other hand, can quickly become an individual health service (IGeL) that you have to pay for yourself.

With home tests like those from mybody®x, the prices are transparent and cover the complete service:

  • The complete test kit for easy sample collection at home.
  • Free return shipping of your sample to our certified laboratory.
  • A detailed and precise laboratory analysis of your blood.
  • A personal and, above all, easily understandable results report.

This way you have full cost control from the start and receive a thorough analysis directly to your home, without any hidden fees.

A home test is an investment in knowledge about your own body. It provides you with the data you need to proactively uncover the causes of your discomfort and take control of your health.

How long does it take to get a result?

A skin prick test performed in a doctor's office is lightning fast – you'll see the result directly on your skin after about 15 to 20 minutes . A blood test, which needs to be analyzed in a lab, naturally requires a bit more patience.

When you take a mybody®x home test, you can usually expect your results 10 to 12 business days after your sample arrives at the lab. As soon as your personal report is available in your secure online account, we will notify you immediately by email. This way, you get clarity quickly and can plan your next steps without a long wait.

Should I stop taking certain medications before the test?

This is a very important point, because it's a crucial difference between the testing methods. For a skin prick test at the doctor's office, you usually have to stop taking antihistamines (i.e., classic allergy medications) a few days beforehand. The reason is simple: they would suppress the skin reaction and thus distort the result.

The major advantage of an IgE blood test, like the one we use in the mybody®x tests, is that you don't have to stop taking any medication . Whether you're taking antihistamines or cortisone has no effect on the amount of specific IgE antibodies in your blood. You can therefore take the test at any time without interrupting your usual medication.

At what age is a test advisable?

A food allergy test is generally an option at any age, as soon as an allergy is suspected. However, in infants and toddlers, the diagnostic process should always be closely supervised by a pediatrician or allergist. In these cases, the triggers are often staple foods like milk or eggs.

Home tests like those from mybody®x are designed for adults who want to take responsibility for gathering initial insights. They are the ideal starting point for getting to the bottom of unclear and recurring symptoms. This creates a solid foundation for discussions with a doctor or therapist. If you want to take responsibility for your well-being, such a test provides you with valuable and very concrete starting points.

To ensure you have the most important information at your fingertips, we have summarized the most frequently asked questions in the table below.

Overview of questions and answers: The following questions are answered in detail in the FAQ section to quickly and clearly clarify common uncertainties.

Ask Short answer
How reliable is a home test? Highly reliable for detecting sensitization; the analysis is carried out in certified laboratories according to the same standards as by a doctor.
Can an allergy disappear? Yes, especially in children (e.g., milk, eggs). It is less common in adults, but possible.
How much does an allergy test cost? Costs vary. Home tests offer transparent pricing for the entire package, from test kit to results report.
How long will it take to get the results? For skin prick tests, results take approximately 20 minutes; for a home blood test, results take approximately 10–12 working days after the sample arrives at the laboratory.
Do I need to stop taking my medication? Not suitable for an IgE blood test (home test). Antihistamines must be discontinued before a skin prick test.
At what age is a test advisable? Basically, it's suitable for all ages. Home tests are aimed at adults who want to gather initial information on their own.

We hope these answers shed more light on the matter and help you make the right decisions for your health.


Do you finally want to understand what's behind your symptoms and regain control over your diet? With the scientifically based self-tests from mybody®x, you'll gain clear insights into your body's reactions. Discover the right analyses for you now and start your journey to greater well-being and quality of life.

Find the right test for you now at mybody-x.com

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