TOP-8 allergen products
13.01.2025
Food allergy is a common condition that affects a person’s quality of life. It is a reaction of the immune system to certain foods. In response to the allergen, the body produces antibodies, in particular immunoglobulin E (IgE). When the allergen enters the body, it binds to IgE, which causes an allergic reaction. According to statistics, food allergy occurs in approximately 1-3% of adults and 4-6% of children worldwide.
In total, over 160 different foods can cause an allergic reaction. That is why understanding the foods that most often cause an allergic reaction will help you avoid unpleasant consequences and ensure the safety of yourself and your family.
The most common food allergens that provoke allergic reactions are:
- Milk.
- Wheat.
- Eggs.
- Nuts.
- Peanut.
- Mollusks and crustaceans.
- Soy.
- Sesame seeds.
This list has been officially defined by international organizations, such as the FAO/WHO Codex Alimentarius and the FDA in the US, based on data on the global prevalence of allergies and their health risks.
Who is more likely to suffer from food allergies?
This is a very controversial issue, as much depends on genetic factors, age and lifestyle. Children are more likely to develop allergies than adults because their immune systems are immature. Many children outgrow their allergies as they get older, although some allergies, such as to nuts or seafood, can last a lifetime. There is also a genetic predisposition: if a parent has allergies, the risk for the child increases significantly.
Infants are most often allergic to eggs, milk, and dairy products, which most likely go away with age. Allergic reactions to shellfish and crustaceans are more common in adults, and peanut allergies can occur equally in children and adults. Let’s consider each of the TOP 8 allergens in more detail!

Milk
Milk protein, known as casein, is one of the most common allergens, especially among children. Symptoms of a casein allergy include skin rashes, digestive and breathing problems. If you are allergic to cow’s milk, you can use various plant-based alternatives: almond, oat, coconut milk.
Wheat
Wheat allergy is different from gluten intolerance. It is caused by wheat proteins and can manifest through skin, respiratory, or digestive symptoms. Alternatives include gluten-free grains such as rice or corn.
Eggs
Egg white contains allergens that can cause a reaction, while egg yolk allergies are less common. All this is important to consider, because eggs are very often used in the preparation of various dishes.
Nuts
Some people are allergic to nuts, including almonds, walnuts, hazelnuts, pecans, Brazil nuts, cashews, pistachios, pine nuts, macadamia nuts, etc. They are often used in their pure form, added to sauces, desserts, bread, ice cream, etc. They can be replaced with sunflower seeds, pumpkin seeds, oatmeal, and crispy rice balls.
Peanut
Peanuts are a powerful allergen, an allergic reaction can develop within minutes of exposure to the allergen, even in small amounts. Peanuts are often used in sauces, baking, desserts, and for the production of oil, flour, and pasta.
Mollusks and crustaceans
Crustaceans include shrimp, crab, lobster, and crayfish. Traces of allergens may also be found in various seafood pastes.
Soy
Soy is often used as an ingredient in many foods, from soy milk to sauces. People with soy allergies should be careful about the ingredients in products.
Sesame seeds
Sesame seeds are also a common and quite strong allergen. They are widely used in various dishes. People with sesame allergies should avoid not only the seeds, but also sesame oil and products that may contain it.
Symptoms of food allergy
Symptoms of food allergies usually appear some time after consuming them.
Clinical manifestations can range from minor discomfort to serious, life-threatening conditions requiring immediate medical attention, such as angioedema.
Common allergy symptoms:
Mild reactions:
- Urticaria.
- Skin redness or rash.
- Slight swelling of various parts of the face.
- Vomiting and diarrhea.
- Pain in the epigastric region.
- Cough.
- Nausea and confusion.
Severe reactions:
- Severe swelling of the head, neck, or tongue that makes breathing difficult.
- Anaphylaxis is the most severe form of allergic reaction, which can manifest as a sudden drop in blood pressure, difficulty breathing, and fainting.
Mechanisms of allergic reactions
IgE-mediated allergies are caused by an overactive immune system that produces IgE antibodies in response to contact with a food allergen. These antibodies bind to the allergen, causing the release of histamine and other mediators, which provoke inflammation and allergy symptoms.
It is worth noting that food allergies and food intolerances should not be confused. The difference between them is as follows:
- An allergy is an immunological reaction that involves IgE antibodies or other components of the immune system. Symptoms can be severe, including anaphylaxis.
- Food intolerance is a reaction that is not related to the immune system. Symptoms are limited to discomfort in the digestive tract, but they are not life-threatening.
How to avoid allergic reactions
If you suspect you are allergic to a product, see a doctor and consult an allergist. The specialist will prescribe the necessary tests and analyzes. Knowing the potential allergen that causes the allergy, you should always check the composition of the products you consume. This is especially true for ready-made meals. You should read labels and check with different establishments whether a particular dish contains possible allergens.
Knowing about these products will help you avoid trouble and make your diet safe and healthy.
And, of course, you should not neglect to consult a doctor. After all, there are modern approaches to diagnosing and managing food allergies that help avoid severe reactions and keep the patient’s condition under control.
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