Food intolerance refers to the inability of the digestive system to properly process or digest certain foods or ingredients. Unlike food allergies, which involve the immune system and can trigger severe, life-threatening reactions, food intolerance is generally less acute but can still cause significant discomfort and affect quality of life.

Mechanism of Food Intolerance

Food intolerance occurs when certain food components pass through the digestive tract unprocessed, often due to enzyme deficiencies or sensitivity to specific compounds. Some of these components may breach the intestinal walls and enter the bloodstream. The immune system may recognize these particles as allergens, leading to the formation of immune complexes. These complexes, often involving Immunoglobulin G (IgG) antibodies, can circulate through the body and trigger localized or systemic inflammatory responses. Common symptoms associated with food intolerance include:

• Gastrointestinal issues such as bloating, gas, diarrhea, or constipation.
• Fatigue and lethargy.
• Skin conditions like rashes, hives, or eczema.
• Migraines or recurrent headaches.
• Musculoskeletal pain.

The Role of IgG in Food Intolerance

IgG antibodies are part of the immune system and are produced in response to food components perceived as foreign by the body. Unlike IgE antibodies, which are associated with immediate allergic reactions, IgG antibodies are linked to delayed hypersensitivity reactions. Elevated IgG levels for specific foods can indicate a potential intolerance, which may contribute to chronic inflammation and other symptoms. Testing for IgG antibodies provides valuable insights into an individual’s food intolerances and helps identify problematic foods that may need to be eliminated or reduced from the diet.

Common Food Intolerances and Associated Allergens

Here is a list of common allergens associated with food intolerance that can be tested through diagnostic assessments:

No.	Allergen	No.	Allergen	No.	Allergen	No.	Allergen
1	Almond	16	Barley	31	Lobster	46	Cucumber
2	Hazel nut	17	Rice	32	Pacific squid	47	Garlic
3	Pine nut	18	Wheat	33	Crab	48	Onion
4	Sesame	19	Eel	34	Shrimp	49	Tomato
5	Cacao	20	Codfish	35	Egg yolk	50	Eggplant
6	Sweet chestnut	21	Mackerel	36	Egg white	51	Apple
7	Pea	22	Salmon	37	Milk	52	Banana
8	Soy bean	23	Tuna	38	Lamb meat	53	Coconut
9	Peanut	24	Plaice	39	Beef	54	Grape
10	Walnut	25	Anchovy	40	Chicken	55	Peach
11	Pistachio nut	26	Trout	41	Pork	56	Strawberry
12	Sunflower	27	Oyster	42	Carrot	57	Orange
13	Corn	28	Scallop	43	Celery	58	Mango
14	Rye	29	Clam	44	Mushroom	59	Kiwi
15	Buckwheat	30	Blue mussel	45	Potato	60	Yeast, baker’s

Diagnosing Food Intolerance with IgG Testing

Diagnostic testing for food intolerance often focuses on measuring IgG antibody levels in response to specific foods. The following methods are commonly used:

1. IgG Blood Test: This test identifies elevated IgG levels for specific foods, helping pinpoint intolerances.
2. Elimination Diet: Often combined with IgG test results, foods identified as problematic are removed from the diet, and symptoms are monitored.
3. Hydrogen Breath Test: Used to detect conditions like lactose intolerance, which may coexist with IgG-mediated food intolerance.

Managing Food Intolerance

Once diagnosed, food intolerance can be managed effectively through dietary modifications and supportive interventions:

• Avoidance: Eliminate or reduce the intake of foods identified as triggers through IgG testing.
• Enzyme Supplements: Use supplements like lactase for lactose intolerance or others tailored to specific deficiencies.
• Gut Health Optimization: Incorporate probiotics, prebiotics, and anti-inflammatory foods to improve gut barrier function and reduce sensitivity.
• Nutritional Support: Ensure a balanced diet to compensate for nutrients lost by eliminating certain food groups.

Importance of IgG Testing

Food intolerance testing, particularly IgG-based diagnostics, is highly beneficial for individuals experiencing unexplained symptoms like chronic fatigue, digestive discomfort, or skin conditions. Identifying and addressing food intolerances can:

• Improve overall health and well-being.
• Reduce chronic inflammation and associated health risks.
• Enhance energy levels and digestive comfort.

If you suspect food intolerance, consult with a healthcare provider or specialist to explore IgG testing and receive personalized recommendations. Early intervention can significantly enhance your quality of life. Book Your Food Intolerance Test at Blessono Specialist Clinic Today Take the first step toward better health by identifying your body’s unique reactions to food. Consult a specialist to develop a customized plan tailored to your needs.