Question 1

What is Delayed Food Reaction?

Accepted Answer

Delayed food reactions are immune responses that occur hours or days after consuming certain foods, making them difficult to identify without testing. These reactions are caused by elevated IgG antibodies that your immune system produces against specific foods it perceives as problematic. The Red Kidney Bean IgG test is the most important test for diagnosing delayed reactions to this specific food trigger.

Question 2

What causes delayed food reactions?

Accepted Answer

Delayed food reactions are caused by elevated IgG antibodies that your immune system produces in response to foods it identifies as threats. Unlike immediate IgE-mediated allergies, these IgG responses trigger inflammation and symptoms anywhere from 2 to 72 hours after eating the offending food. Common trigger foods include dairy, gluten, eggs, soy, and certain legumes like red kidney beans, though any food can potentially cause a delayed reaction in susceptible individuals.

Question 3

What is the best test for delayed food reactions?

Accepted Answer

The Red Kidney Bean IgG test is the most important test for identifying delayed reactions to this specific food because it measures IgG antibody levels that indicate your immune system is mounting a response. Elevated IgG antibodies to red kidney beans suggest your body perceives this food as problematic, which can contribute to symptoms like digestive issues, headaches, fatigue, or skin problems that appear hours or days after eating. For comprehensive food sensitivity screening, multiple IgG tests targeting different foods can be ordered to create a complete picture of your dietary triggers.

Question 4

When should I get tested for delayed food reactions?

Accepted Answer

You should get tested if you experience persistent symptoms like bloating, digestive discomfort, headaches, fatigue, joint pain, or skin issues that don't improve despite eliminating obvious allergens. Testing is especially important if your symptoms appear inconsistently or seem unrelated to what you just ate, which is characteristic of delayed reactions. You should also consider testing if you have inflammatory conditions, autoimmune disorders, or chronic health issues that haven't responded well to conventional treatment, as food sensitivities often contribute to these problems.

Question 5

What are the symptoms of delayed food reactions?

Accepted Answer

Delayed food reactions cause diverse symptoms including digestive issues like bloating, gas, diarrhea, or constipation, as well as headaches, migraines, fatigue, brain fog, and difficulty concentrating. You might also experience skin problems such as eczema, acne, or rashes, joint pain and stiffness, sinus congestion, or mood changes like anxiety and irritability. Because symptoms can take 2 to 72 hours to appear after eating the trigger food, they are often mistaken for other health conditions, making them particularly challenging to identify without proper testing.

Question 6

Who is at risk for delayed food reactions?

Accepted Answer

People with autoimmune conditions, inflammatory bowel disease, leaky gut syndrome, or chronic inflammation are at higher risk for developing delayed food reactions. Those with a family history of food sensitivities, allergies, or immune disorders also face increased risk. Additionally, individuals who have experienced prolonged stress, frequent antibiotic use, poor diet, or intestinal infections may develop food sensitivities because these factors can compromise gut barrier function and alter immune responses to foods.

Question 7

What happens if delayed food reactions are left untreated?

Accepted Answer

Untreated delayed food reactions can lead to chronic inflammation throughout your body, which contributes to persistent digestive problems, nutrient malabsorption, and deficiencies in essential vitamins and minerals. Ongoing exposure to trigger foods can worsen existing autoimmune conditions, increase intestinal permeability (leaky gut), and potentially trigger new sensitivities to additional foods. Over time, this chronic immune activation can contribute to more serious health issues including inflammatory bowel disease, arthritis, chronic fatigue syndrome, and neurological symptoms that significantly impact your quality of life.

Question 8

Can delayed food reactions be diagnosed with a blood test?

Accepted Answer

Yes, delayed food reactions can be diagnosed with blood tests that measure IgG antibodies specific to individual foods. The IgG antibody test identifies which foods are triggering an immune response in your body by detecting elevated antibody levels that indicate your system perceives certain foods as problematic. While these tests provide valuable information about potential food triggers, results should be interpreted alongside your symptoms and dietary history by a qualified healthcare provider who can help you develop an appropriate elimination and reintroduction plan.

Question 9

How are delayed food reactions treated?

Accepted Answer

Delayed food reactions are treated primarily through temporary elimination of identified trigger foods from your diet for 3 to 6 months, allowing your immune system to calm down and your gut to heal. After the elimination period, foods are carefully reintroduced one at a time while monitoring for symptom recurrence to determine which foods you can tolerate. Treatment may also include gut healing protocols with probiotics, digestive enzymes, and supplements like L-glutamine, zinc, and omega-3 fatty acids to restore intestinal barrier function and reduce overall inflammation.

Question 10

How can I prevent delayed food reactions?

Accepted Answer

You can prevent delayed food reactions by maintaining a healthy gut through eating a diverse, whole-foods diet rich in fiber, fermented foods, and anti-inflammatory nutrients that support beneficial gut bacteria. Avoid overconsuming the same foods repeatedly, as eating the same items daily can increase the risk of developing sensitivities. Managing stress through regular exercise, adequate sleep, and relaxation techniques also helps maintain healthy gut barrier function and immune regulation, reducing your susceptibility to developing new food sensitivities.

Question 11

What natural remedies help with delayed food reactions?

Accepted Answer

Natural remedies that help with delayed food reactions include probiotics to restore healthy gut bacteria, digestive enzymes to improve food breakdown and reduce immune triggers, and bone broth which provides collagen and amino acids that heal the intestinal lining. Supplements like L-glutamine, zinc, and quercetin support gut barrier repair and reduce inflammation, while omega-3 fatty acids from fish oil help modulate immune responses. Additionally, herbal remedies such as ginger, turmeric, and slippery elm can soothe digestive inflammation and support overall gut healing when combined with an elimination diet.

Question 12

How’s this work?

Accepted Answer

Getting your blood test with us is easy, private & backed by the power of science.Long story short:
            
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Question 13

How do I know which test to get?

Accepted Answer

In the test options, find the test you want.
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Question 14

When will my lab results be available?

Accepted Answer

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know.
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Question 15

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Accepted Answer

Absolutely! We totally understand that errors can happen. No worries, we're here to help you.
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Question 16

Do you accept health insurance?

Accepted Answer

Only HSA & FSA is accepted.
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Question 17

Can I cancel my order?

Accepted Answer

Yes.
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Question 18

How can I find a lab location near me?

Accepted Answer

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached!
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Delayed Food Reaction Blood Test

What is Delayed Food Reaction?

What causes delayed food reactions?

What is the best test for delayed food reactions?

When should I get tested for delayed food reactions?

References

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