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Root Cause Allergy Testing

Find the Root Cause For a Healthier Life

Discover the foods that trigger your body and may cause inflammation, fatigue, weight challenges, or chronic health issues. With the FAST Panel Test from Infinite Allergy labs, you'll finally understand your body better and take a real step toward healing.

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About Infinite Allergy Labs

Why Choose Infinite Allergy Labs?

Fatigue, bloating, skin flare-ups, headaches, mood swings - these are often caused by hidden food and environmental sensitivities.

At Infinite Allergy Labs, a CLIA & COLA certified laboratory, our mission is to help patients and providers uncover the root causes of chronic symptoms like migraines, digestive issues, fatigue, obesity, and inflammation.

Unlike labs that spread across hormones, genetics, or microbiome testing, we specialize exclusively in food and environmental immune testing. That focus ensures every report is clinically relevant, evidence-based, and actionable for better patient care.

  • Results in 3-5 business days
  • Trusted by 2,500+ providers nationwide
  • Over 32,000 patients tested
  • Accepts both insurance & cash

Comprehensive Panel Coverages



The FAST Panel goes beyond standard allergy testing by measuring reactivity to both foods and environmental triggers for a complete picture of what may be causing your symptoms.

Food Testing Icon

88 Foods Tested

From dairy, eggs, meats, gluten, legumes, and nuts to everyday staples as our panel uncovers hidden food allergies and sensitivities that may be driving inflammation, digestive issues, fatigue, and skin flare-ups.

Environmental Testing Icon

88 Environmental Factors

Dust, pollen, mold, pet dander, and other common exposures are carefully analyzed to help you identify overlooked environmental allergies that could be impacting your health.

By combining food allergy testing and environmental sensitivity testing, the FAST Panel reveals what conventional tests often miss by giving you clear answers and a personalized path to relief.

Resources & Documents

Access useful resources and patient collection instructions to better understand our testing process.

Sample Report

Sample Report
Patient Collection Instructions

Collection Instructions
DBS Collection

DBS Collection

Customer Experiences

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Amyn Lalani
5 months ago
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★★★★★
I was very skeptical about food allergy test, but one of my friends did it and was very amazed with the results after eliminating the foods he was sensitive to. I ended up doing the test as well, it was so easy to do at home. The results came very fast and to my surprise I was sensitive to a lot of foods. It was hard to eliminate all those foods but once I did I haven’t taken my sleep medicine for last two weeks now and not having problem falling asleep. Def a test to try.
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Gulzar Rahman
5 months ago
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★★★★★
I had a very positive experience with my allergy test. The staff was professional and made the process easy and comfortable. The test was quick and provided clear results, helping me identify and manage my allergies effectively. I highly recommend this service to anyone dealing with unexplained allergy symptoms.
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Aun Abidi
5 months ago
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★★★★★
The food sensitivity test results were very detailed. The team also helped us with coming up with a nutrition plan to help us avoid the foods that came positive in the results.

Frequently Asked Questions

Click on a question to view the answer

What if I have dietary restrictions or follow a special diet? +
The test helps you personalize your diet safely. Even if you follow keto, vegan, or gluten-free plans, your results will reveal which foods still trigger inflammation or immune reactions.
Will insurance cover the test? +
Many insurance plans with out-of-network benefits reimburse part of the cost. For those without coverage, we provide transparent cash-pay options with fast turnaround.
How is this different from a typical food intolerance or allergy test? +
Most standard tests only check IgE or lactose/gluten intolerance. The F.A.S.T. test analyzes four immune pathways (IgE, IgG, IgG4, C3b/d), revealing both immediate and delayed reactions that other tests often miss.
Can I collect my sample at home? +
Yes. We offer a dried blood spot (DBS) collection option that's easy to use and safe to mail back to our lab. Instructions are included in every kit.
How do I know if my symptoms are food-related or hormonal? +
The F.A.S.T. test helps uncover inflammation patterns linked to foods or environmental triggers. If your report shows low or no food reactions, your provider may recommend hormone or metabolic testing for a clearer picture.
How do I prepare for the test? +
No fasting or food restrictions are required. Continue your usual diet and lifestyle as this ensures accurate detection of real immune responses.
What kind of support will I receive after the test? +
After receiving your report, you'll have the option to schedule a detailed review session with one of our registered dietitians. They'll help you understand your results and design a personalized plan for better digestion, energy, and overall health.
What if I have a question or need more information? +
We'd love to help you understand your results or guide you through the next step of your wellness journey. Simply fill out the quick form below, and one of our specialists will personally reach out to answer your questions and support you in getting started.