You are doing everything “right” with food… and still feel inflamed, bloated, foggy, or exhausted.
This is exactly where MRT food sensitivity testing comes in – not as another guess, but as a way to literally watch your white blood cells react to specific foods and chemicals in real time.
If that sounds intense, it is. Your immune system is powerful. But it is also measurable, map-able, and surprisingly logical once we see what it is actually reacting to.
Why “healthy food” can still make you feel awful
Most of our clients have already tried:
- Gluten-free, dairy-free, sugar-free, or low-histamine diets
- Food allergy panels and IgG tests
- Rotating supplements and probiotics “for gut health”
- Tracking every bite in an app, trying to spot patterns
And still, the symptoms keep cycling: bloating that makes you look six months pregnant, headaches, skin flares, joint pain, loose stools or constipation, intense fatigue after meals.
It can make you feel like your body is broken or that the reactions are random. They are not random. They are immune responses.
To understand why, we have to zoom in on what your white blood cells actually *do* when they meet a food they consider a threat.
What is mediator release testing, in plain language?
Mediator Release Testing (MRT) is a blood test that shows us how strongly your white blood cells react to specific foods and food-chemicals.
Here is the simple version of what happens inside the tube:
1. Your blood is drawn and separated so the white blood cells and fluid (plasma) can be studied.
2. In the lab, tiny amounts of individual foods and chemicals are added to your blood sample – one at a time.
3. When your immune system “doesn’t like” something, your white blood cells get activated and release substances called mediators.
4. The more mediators they release, the more those cells change size and volume. MRT measures that change very precisely.
If there is a big change in volume, we know that food or chemical triggered a strong inflammatory response in your immune system.
If there is a small or no change, we know your cells stayed calm.
The result is a personalized “immune reactivity map” – a color-coded chart showing which foods are highly reactive, moderately reactive, or low reactive for *you*.
What are mediators – and why do they matter so much?
Mediators are the chemicals your immune cells release when they are activated. They are the “action molecules” of inflammation.
They include things like:
- Cytokines (messenger molecules that call in more immune cells)
- Histamine (involved in itching, swelling, headaches, flushing)
- Prostaglandins and leukotrienes (often tied to pain, migraines, and inflammation)
These mediators do not just sit in the blood. They move into tissues all over your body and can create symptoms like:
– Gas, bloating, cramping, diarrhea, constipation
– Joint and muscle pain
– Migraines and headaches
– Brain fog and fatigue
– Skin breakouts, rashes, eczema, hives
– Worsening of autoimmune flares
So when we measure mediator release, we are looking at the *final common pathway* of many types of immune reactions – not just one antibody like IgG or IgE.
That is why MRT can pick up reactions that never show on a standard “allergy test,” but still cause very real inflammation and symptoms.
Why MRT is different from antibody testing
Most food tests on the market look for specific antibodies – usually IgE (classic allergy) or IgG (often called “sensitivity”).
The problem is that:
– You can have IgG antibodies to a food that your body tolerates just fine.
– You can have no measurable IgG to a food that still provokes a significant inflammatory reaction.
– Antibodies are only **one** part of the immune response. They do not tell us what mediators are actually being released.
MRT food sensitivity testing bypasses this limitation by looking at the *result* of immune activation: mediator release and cell volume change.
Think of it this way:
– Antibody tests ask, “Do we see this type of key (IgG, IgE) for this food?”
– MRT asks, “When your immune cells meet this food, do they freak out and dump inflammatory chemicals, or do they stay calm?”
For chronic, non-obvious symptoms – IBS-type issues, migraines, brain fog, skin problems, stubborn joint pain – that second question is often the one that finally explains what is happening.
From data to daily life: the LEAP protocol
Data alone does not heal. How we *use* it does.
This is where the LEAP (Lifestyle, Eating, And Performance) protocol comes in.
We take your MRT results – your personal immune map – and build a highly specific, phased eating plan that focuses on your lowest-reactive foods first.
Instead of:
– Guessing which foods to remove,
– Eliminating entire food groups for months,
– Or feeling terrified of eating,
we help you create a calm, simplified foundation using the foods your immune system liked best in the test.
From there, we:
- Gradually expand your diet in a structured way
- Watch how symptoms shift as the inflammatory load drops
- Identify patterns in your triggers (for example, certain food families or additives)
The goal is not a tiny, fearful diet forever. The goal is to *calm the fire* so your gut, immune system, and nervous system have a real chance to heal – and then build back variety from a more stable baseline.
This is not a generic elimination diet. Precision matters, especially when you are already exhausted by trial and error.
Where the nervous system and mind-body connection fit in
Food is powerful, but it is only part of the inflammation story.
Chronic stress, unresolved trauma, and long-term hypervigilance in the nervous system can keep the immune system “on guard” all the time. That ongoing activation:
– Makes your gut lining more vulnerable
– Increases sensitivity to foods and chemicals
– Keeps inflammatory mediators circulating
We see this in clients whose symptoms improve with MRT and LEAP, but then plateau until we also address:
– The stress-inflammation connection
– Nervous system regulation
– Old emotional patterns linked to safety and control around food
– Under-the-surface fears held in the body
That is why our approach at MP Integrative Health is whole-person. Alongside MRT and the LEAP protocol, we offer mind-body healing tools – somatic practices, medical hypnotherapy, inner child work, trauma repair – for those who are ready to go deeper.
You never *have* to do everything at once. But we want you to know that your symptoms are not “all in your head,” and also that your mind, body, and nervous system are deeply connected in how you heal.
Imagining what improvement could feel like
Imagine:
– Eating a meal without bracing for bloating or pain.
– Waking up without a daily headache or brain fog.
– Watching your skin calm down instead of erupting overnight.
– Not needing to scan every ingredient label with fear, because you actually know your key triggers – and your safest foods.
When we identify and remove your biggest immune activators with MRT food sensitivity testing, your body finally gets to come out of survival mode.
From there, everything else we do – gut repair, nervous system recalibration, mind-body work – becomes more effective, because we are not pouring gasoline on the fire at every meal.
If you are reading this thinking, “This is exactly me – and no one has ever tested my immune system this way,” you are not alone. And there is a clear, evidence-informed path forward.
When you are ready, you can book your MRT consult with our team so we can map your unique triggers and start designing the eating plan your immune system has been asking for all along.



