Food Sensitivity, Vitamins & Gut Health Test

five star reviews on the plus intolerance test from advanced food intolerance labs
Are you struggling with bloating, fatigue, or digestive issues? Your body might be reacting to certain foods, lacking key nutrients, or dealing with gut imbalances—without you even realizing it. The Food Sensitivity, Vitamins & Gut Health Test is your all-in-one solution to understanding how your body processes food and absorbs nutrients.


Why Choose This Test?

✓ Screens 1,000+ items for sensitivities & nutrient imbalances

✓ Identifies vitamin absorption issues & gut microbiome health

✓ Tests for Heavy metals, environmental and household toxins

✓ Simple at-home collection with fast, detailed results

✓ Personalized, easy-to-read report

✓ Actionable dietary & wellness recommendations

 

No more guesswork—just real answers for better health.

100% Satisfaction

Guaranteed results for every test.

Free Shipping

Fast and reliable delivery at no cost.

Quality Testing

Trusted facilities with rigorous standards.

ISO Certified

Globally recognized quality assurance.

What you need to know

Understanding Your Body’s Reactions

View Full List of Items Tested >

The Premium Food Sensitivity, Vitamins & Gut Health Test measures your cellular response to 1000+ items.

Everyone is unique and no two people react the same way. This test is not an allergy test - learn more about how we test>

✔ Identify your body’s potential reactions to 1000+ foods, ingredients, and additives — so you’re not stuck wondering what’s causing the bloat, fatigue, or inflammation
✔ Pinpoint hidden food triggers that may be contributing to stubborn weight, brain fog, or digestive discomfort
✔ Personalize your eating plan based on your unique biofeedback — not someone else’s diet
✔ Finally feel in control of your wellness by understanding how your body responds to what you eat

✔ Detect key vitamin deficiencies affecting energy, aging, immunity, and overall health

✔ Understand how well your body absorbs essential nutrients

✔ Optimize your diet and supplementation for better vitality

✔ Improve focus, metabolism, and long-term wellness

Pinpoint hidden systemic microbiome imbalances that may be wrecking your digestion (without endless guesswork or food eliminations)

✔ Reveal the real reason why you may be bloated, foggy, or tired — and why your gut isn’t absorbing nutrients like it should

✔ Get a data-driven roadmap to help fix gut issues before they spiral into bigger immune or hormonal problems

✔ Unlock the gut-brain axis: helping improve mood, reduce anxiety, and sharpen focus by healing your second brain — your gut.

Most people think food reactions only mean allergies.
But food intolerances may be the hidden factor behind stubborn symptoms like:

⚠️ Occasional bloating after meals
⚠️ Energy dips or unexplained fatigue
⚠️ Skin changes, like breakouts or irritation
⚠️ That “off” feeling you can’t quite pinpoint

Here’s what we know:
Sometimes, the body has trouble processing certain foods. This may be due to enzyme challenges, changes in gut health, or repeated exposure to common ingredients.

Unlike allergies, which cause immediate immune reactions, food intolerances may develop gradually — and reactions can shift over time due to stress, diet, or gut imbalances.

That’s why trial and error often fails. You need insight, not guesswork.

You clean your house. You buy the good air filter. But you still feel unwell.

Here’s why:
You might be dealing with sensitivities — not full-blown allergies, but subtle reactions to everyday things like:

✅ Dust
✅ Pollen
✅ Fragrances and household chemicals

These environmental triggers don’t always show up on traditional allergy tests. But they may contribute to:

  • Occasional respiratory discomfort
  • Skin irritation or itching
  • Feeling wired, tired, or foggy without explanation

While sensitivities aren’t the same as immune-based allergies, they can still affect your daily comfort by aggravating stress responses in the body — especially if your system’s already inflamed or overloaded.

You eat clean. You take your vitamins.
But your energy’s still low, your nails are weak, and your muscles cramp for no reason.

Here’s what might be going on:
Your body may not be absorbing or using nutrients properly — even if you’re “doing everything right.”

Nutrient imbalances can arise from:

✅ A diet lacking in key micronutrients
✅ Food intolerances that interfere with absorption
✅ Exposure to toxins that place extra stress on your system

When essential vitamins and minerals aren’t getting where they need to go, your body lets you know — with fatigue, poor recovery, brittle nails, and more.

Here’s the truth no one’s talking about:
Food intolerances, environmental sensitivities, and nutrient imbalances don’t happen in isolation.

They’re part of a bigger, tangled web — and when one system’s off, the others follow.
Like this:

🧠 Food intolerances may → inflame the gut → block nutrient absorption → cause fatigue, brain fog, skin issues
🌿 Environmental triggers may → stress your system → worsen digestion, immunity, and mood
⚖️ Nutrient imbalances may → slow down metabolism → make everything feel harder, heavier, and off

It’s not just one thing.
It’s all the little things adding up — until your body starts sending signals you can’t ignore.

Understanding these connections gives you power.

Clear Results Without the Guesswork

No more trial and error or restrictive elimination diets—get clear, color-coded results within 72 hours of receiving your 10-strand hair sample.

  • Food & Drink
  • Toxins
  • Heavy Metals
  • Vitamins, Minerals & Fatty Acids
  • Yeast & Fungi

Actionable Steps in Your Personalized Portal

Access your actionable steps inside your portal. Discover exactly why you may be sensitive or deficient to a specific item to guide you on your journey to better health.

  • Knowledge Base Center
  • Ebooks & Aftercare Advice
  • Personalized Login Portal
  • Actionable insight and next steps

Custom dosage supplements with Recommended General supplements personalizing your experience

Before creating your recommendations or personalized products we consider:

Vegan Certified

Gluten Free

Non GMO

Made in USA

Hear From Our Happy Customers

See how our tests have changed lives—helping people uncover food sensitivities, reduce inflammation, and regain their energy and vitality.
Abigail Molldrem

Abigail Molldrem

Sarah Granetz

Sarah Granetz

Kelly

Kelly

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Scientifically Backed, Doctor Approved

Delivering trusted expertise, reliable results, and unmatched standards to support your health and well-being.
Board Certified Physician Reviewed Results

We don’t believe in guesswork.
Every scan we offer is carefully reviewed by qualified professionals — including doctors, biochemists, and physicians — to ensure you get results you can rely on.

  • Expert-reviewed analysis for the highest accuracy and insight
  • A clear, easy-to-understand breakdown of potential imbalances
  • Guidance on what your results may suggest — and what to do next

We’re here to help you connect the dots — not just with data, but with real-world action steps.

Because when it comes to your health, you deserve more than generic advice. You deserve precision.

Certified for Quality, Security, and Compliance

When it comes to your health, trust and transparency matter. That’s why we adhere to the highest international standards in quality, safety, and testing integrity.

  • ISO 27001 — certified for strict information security
  • ISO 9001 — accredited for consistent quality management
  • German Med Cert Certification — meets the European rigorous medical and safety standards
  • SCC Accreditation — ensures compliance with occupational safety protocols

These certifications mean our testing process meets internationally recognized benchmarks — providing reliable results in a secure, professional environment.

And in full transparency, we are not CLIA certified. Our testing methods are not yet currently recognized by CLIA, because they fall outside the scope of conventional diagnostic testing. For that reason, we do not claim to diagnose, treat, or cure, nor does this test replace your lab work. This is meant to compliment or offer help when lab work offers no more clarity.

But, what we can say is this:

  • We’ve served over 500,000 people in the US.
  • Our customers have used our tests to uncover hidden inflammation ,triggers, reduce symptoms, and take back control of their well-being.
  • You can learn exactly how our process works — and why it’s helped so many — on our testing page.
  • We’re proud to lead with transparency, grounded in global standards, and backed by results that speak for themselves.
  • And, if you do not see or feel any difference after applying your results for 6 weeks, we will give you all your money back. No questions asked. See our Money Back Guarantee
Privacy & Data Protection

At Advanced Food Intolerance Labs, we’re not a data-hungry tech giant.
We’re a husband-and-wife team who built this company to help people get real answers — with integrity and heart.

That’s why we take your privacy seriously:

  • We never sell your data. Ever.
  • We don’t do genetic testing or gene sequencing — and we’re not affiliated with any large genetic corporations.
  • Your information is only used to provide your test results, respond to your questions, and share important service updates.
  • All data is handled securely and safely destroyed after analysis. No unnecessary storage. No shady practices.

When you work with us, you’re not just another data point — you’re a real person we’re here to help.

For full details, review our Privacy & Policy

Board Certified Physician Reviewed Results
Certified for Quality, Security, and Compliance
Privacy & Data Protection

How It Works

A simple, 4-step process to uncover your food sensitivities and take control of your health—quick, easy, and hassle-free.
Register Your Test

Register Your Test

Scan your QR code in your test kit and register your test online—it only takes a minute.

Collect 10 Hair Strands

Collect 10 Hair Strands

Snip 10 strands of hair close to the root - its quick and easy.

Mail Your Sample

Mail Your Sample

Send your sample to us using the provided mailing kit and prepaid label.

Get Your Results

Get Your Results

Receive detailed results on your email and phone within days.

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Frequently Asked Questions

Everything you need to know about how this product works, what’s included, and how it can help you.

The Premium Food Sensitivity, Vitamins & Gut Health Test measures your cellular response to 1000+ items. Discover what is compatible for you and your cellular health. Eating the wrong foods can result in reactions. Everyone is unique and no two people react the same way. Understanding what is going on for your body is vital to discovering how to achieve optimal health.

This test is not an allergy test.

  • Food & Drinks
  • Toxins
  • Vitamins & Minerals
  • Candida & Yeast
  • Gut Biome
  • Digestive Enzymes

    View Full List

If you are on the journey of searching for in-depth answers to your body’s uncomfortable heath symptoms and chronic weight issues then this test may be for you.

  • Discover the exact foods your body has a biological preference for.
  • Which toxins your body needs to detox.
  • The vitamins, minerals and fatty acids you are low on
  • What exact strains of candida over growth you may have.
  • Which strains of friendly bacteria your digestive system needs.
  • Which digestive enzymes are being depleted daily.
What is included?

All of our tests meet strict quality assurance regulations including high levels of accuracy, precision and validity, and are subject to regular inspections and third-party performance verifications so you can have complete peace of mind.

Quality assured testing facility
  • Receive your test results in less than 72 hours to your personalized login portal.
  • Get notified via email and text message
  • Easy to understand color-coded digital results.
  • A true food allergy affects the immune system. Even small amounts of the offending food can trigger a range of symptoms, which can be severe or life-threatening. 
  • In contrast, a food intolerance often affects only the digestive system and causes less serious symptoms.

We are so confident in all our tests that we offer a money back guarantee if you are not completely satisfied with your results.

Simply follow the elimination plan for 6 weeks while keeping a food diary. If after 6 weeks you do not feel or see an improvement, get in touch with one of our friendly customer service team who will be happy to help.