Food sensitivity testing measures IgG antibodies, which reflect delayed immune reactions that can appear 24–72 hours after eating. In contrast, food allergy tests measure IgE responses that trigger immediate and potentially severe reactions. If you experience bloating, fatigue, brain fog, or skin issues without a clear cause, IgG testing helps uncover hidden triggers that standard allergy tests often miss.
Identify Hidden Food Triggers
Tired of bloating, fatigue, skin flare-ups, or nagging digestive discomfort? These could stem from foods your body silently reacts to. Food sensitivity testing pinpoints triggers via IgG blood analysis, revealing what potential foods are causing inflammation in your body.
Improve Digestive & Overall Health
Results arrive in 2 weeks: a personalized report ranks foods by reaction level, compared to population norms. Low, moderate, clear visuals guide targeted elimination. At our clinic, we’ve seen energy rebound, skin clearing up, and improvements in digestion. At 8 Wellness, we pair this with functional medicine principles and root-cause naturopathic care (nutrition, botanicals & lifestyle tweaks) for lasting relief.
IgG testing shines for non-allergic sensitivities (think gluten, dairy, eggs), but may not suit everyone; acute allergies need separate assessment.
Ready to feel better?
Book a virtual consultation today. We’ll confirm if testing fits your symptoms & goals. Oakville or anywhere in Ontario, rooted healing starts here.

1. Introduction
Post-meal bloating that lingers into the evening. Midday fatigue despite restful nights. Brain fog is derailing deadlines. Jawline acne or eczema flares unpredictably. These aren’t isolated nuisances; they signal potential food sensitivities, where your immune system quietly produces IgG antibodies against common foods like dairy, gluten, or eggs, triggering delayed inflammation.
8 Wellness in Oakville resolves this with precision IgG testing. Skip the frustration of generic diets. A quick LifeLabs or Dynacare blood draw analyzes 96+ foods, yielding your personalized report in 1–2 weeks: intuitive low/moderate/high reaction levels, benchmarked to population norms. Dairy spiking your migraines? Gluten fueling gut distension? We reveal it exactly.
Under a naturopathic doctor’s guidance, virtual or in-clinic, eliminate triggers while healing the gut with L-glutamine, dietary changes and other botanicals. Many clients report improvements in digestion, energy, focus, and skin health over time. Precision over patchwork. Rooted results, designed for you.
2. What is a Food Sensitivity?
A food sensitivity is a delayed immune response to specific food proteins, mediated by IgG antibodies rather than the IgE pathway associated with classic allergies. Symptoms, which may include fatigue, bloating, skin irritation, brain fog, and joint discomfort, typically emerge 24 to 72 hours after consumption, obscuring the link between diet and health. Common triggers include dairy, gluten, eggs, soy, and nuts. Unlike food allergies, sensitivities are rarely acute or life-threatening, but their chronic, cumulative nature makes them a significant and frequently unrecognized contributor to ongoing inflammation and diminished quality of life.
Delayed symptoms manifest uniquely:
Bloating
It often stems from a weakened intestinal barrier, which leads to impaired digestion. When a fibre-rich item, such as salads, is not fully broken down and passes through the gut lining, it leads to excessive fermentation. Thereafter, when the bacteria break them down, they produce hydrogen and methane gas, which causes abdominal distension and discomfort. This is why you feel worse at times, even after eating healthy foods.
Fatigue
There is a particular kind of tiredness that rest cannot fix. It settles in when inflammation stops being a temporary alarm and becomes the body’s new baseline. A chronically active immune system keeps sending inflammatory signals long after the threat has passed. Those signals slowly reduce the mitochondria’s ability to make cellular energy from the nutrients you eat. The fatigue that follows is a measurable biological consequence of a system that has been running on high alert for too long. It is your cells quietly failing to generate what your body needs, day after day, despite everything you do to help.
Brain fog
Certain food items trigger an immune response that results in interrupting the signalling of the brain. As the IgG antibodies get triggered, it releases mast cells that release compounds like Histamine. This disrupts the balance of neurotransmitters responsible for clear thinking. This internal inflammation creates interference in how brain cells communicate with one another. As a result, you start to feel mentally distant.
Skin issues
Often surface due to a deeper systemic inflammation. When the body is suffering from an ongoing internal irritation, it increases inflammatory signals throughout the system. As one of the body’s largest immune-responsive organs, skin shows up in conditions like perioral dermatitis, cystic acne, or even flares of psoriasis. This internal root cause may not be treated with topical creams. These might offer temporary relief, but they won’t yield lasting comfort.

Not every food sensitivity shows on tests, stress, leaky gut, or microbiome shifts amplify reactions. That’s why 8 Wellness pairs IgG testing (96+ foods via LifeLabs blood draw) with naturopathic assessment. Results delivered in 2 weeks: low/moderate/high reaction bars, benchmarked against population averages, plus custom elimination protocols.
3. Symptoms of Food Sensitivities
Food sensitivities appear as immediate reactions and can surface as recurring issues in everyday life. In many cases, symptoms like poor sleep, low energy and brain fog are dismissed as stress, poor sleep, or simply getting older. At 8 Wellness, we trace these back to IgG-triggered inflammation disrupting gut-brain-skin axes.
Here’s how:

Digestive issues
Your gut is doing its best to process everything you send its way. But when certain foods arrive that the body cannot fully break down, the system is left managing something it was not equipped to handle. Those undigested particles begin to ferment, generating gas and internal pressure that inflames the intestinal lining. Hours later, the signals arrive a distended abdomen, shifting discomfort, bowel movements that feel off without any obvious explanation.
Migraines
Most often, the recurring migraines are linked to food sensitivities. Food elements like eggs are likely to trigger a delayed immune response within 24 to 72 hrs of consumption. The body releases inflammatory compounds termed histamine. They dilate blood vessels and increase pressure around the brain. This results in headache, visual disturbances and sensitivity to light. The original food trigger often goes unnoticed, which makes it difficult to connect what you ate days ago.
Fatigue
Tired of crashing every afternoon, no matter how much coffee you drink? Gluten-containing food items weaken the energy-producing cells. This is why your body continues to feel lethargic even after having enough rest. You may feel brain fog or dizziness, and struggle to show up as your best self. In such times, coffee does not really help with the kind of energy required to keep up with daily work. Therefore, keep a watch on which food items are triggering such reactions. Treating the root cause rather than just eliminating food choices will offer lasting results.
Skin conditions
Flare-ups in the skin often result from what’s happening inside the body. Food items like tomatoes or peppers contain lectins that trigger deeper inflammation. In some people, this can appear as cyst-like acne around the jawline. Eczema also worsens at night with increased irritation. The skin reactions are usually your ongoing immune responses. They push the inflammatory products outward through the skin layer.
These overlap, amplifying each other. Pinpoint via IgG testing, eliminate precisely, reclaim vitality through Oakville naturopathic protocols.
4. Food Sensitivity vs Food Allergy
Your immune system reacts to food allergies and sensitivities. Both of them affect the system differently and appear over time. A true food allergy will trigger an immediate response, sometimes within minutes. It can show up in the form of swelling or even life-threatening anaphylaxis. Food sensitivities develop slowly and take a day or two to show up after consuming the offending food. It progresses via low-grade inflammation. It can show up in the body as fatigue, headaches, or skin issues.
| Aspect | Food Allergy (IgE) | Food Sensitivity (IgG) |
|---|---|---|
| Onset | Minutes to 2 hours | 24–72 hours |
| Symptoms | Anaphylaxis, urticaria, angioedema | Bloating, migraines, fatigue, eczema |
| Mechanism | Acute mast cell activation | Chronic inflammatory complex |
| Testing | Skin prick or serum IgE | IgG panel (96+ foods via LifeLabs) |
| Management | Lifelong avoidance, epinephrine | Targeted elimination, gut restoration |
At 8 Wellness in Oakville, we use targeted diagnostics and integrative naturopathic care to approach IgG food sensitivities. We begin with an initial consultation, where clients receive requisitions for comprehensive testing. The detailed reports outline specific food reactions and their severity. Next, we prepare a personalized plan including nutrition guidance. Additionally, botanical support is provided to calm inflammation. This structure helps with steadier digestion and healthier skin tone over time.
5. What Causes Food Sensitivities?
IgG-driven reactions to common foods can weaken gut health over time. As the intestinal lining becomes more permeable, undigested particles enter the bloodstream and trigger immune defences. This ongoing inflammatory response increases the body’s workload and may start to impact hormonal stability.
The gut doesn’t break down overnight; it erodes gradually. Stress keeps cortisol elevated, thinning the protective lining. Processed foods push detox pathways past their limit. Medications like NSAIDs and PPIs do their own quiet damage, leaving you reactive to foods you once ate without a second thought.
At 8 Wellness, our Oakville naturopathic team understands this pattern and knows how to reverse it. IgG testing brings clarity to your specific sensitivities, while a structured repair protocol using L-glutamine, zinc carnosine, and botanical anti-inflammatories rebuilds the foundation. Clients don’t just manage symptoms; they restore genuine resilience. In-clinic or virtually, on your terms.

6. How Food Sensitivity Testing Works
At 8 Wellness, IgG food sensitivity testing is the foundation of a personalized plan. Our Oakville naturopathic team guides you through a proven three-step protocol, with many clients experiencing measurable relief from bloating, fatigue, migraines, and skin conditions in just weeks. Seamlessly available in-clinic or virtually.

Step 1: Comprehensive Consultation
Begin with a focused initial assessment led by our naturopathic doctors. We explore your symptoms in depth: persistent afternoon bloating post-grains, midday fatigue despite rest, throbbing migraines tied to irregular meals, or jawline acne defying topicals. This confirms testing alignment with your health profile. Upon suitability, Dr. Sanam and his team provides a customized LifeLabs requisition, streamlining your path forward without delay or redundancy.
Step 2: Laboratory Blood Analysis
Proceed to your nearest LifeLabs for a straightforward venous blood draw no preparation required, complete in minutes. Our panel evaluates IgG antibody responses to 96+ common foods, including dairy (casein, whey), grains (gluten, wheat), proteins (eggs, nuts), and produce (nightshades, soy). This captures delayed reactions up to 72 hours post-exposure that evade standard allergy screens, offering unmatched specificity covered by most extended health plans.
Step 3: Personalized Results & Protocol
Your IgG results are delivered within one to two weeks as a structured, population-benchmarked report. Reactivity is tiered across three levels: low, moderate, and high, giving you granular insight rather than broad generalizations. A high gluten response alongside oat tolerance, for example, points to specific immunological thresholds rather than blanket grain sensitivity. Dairy flagged in correlation with dermatological symptoms provides a clinically actionable starting point.
Your 8 Wellness protocol is then calibrated to those findings. A phased elimination approach minimizes disruption while systematically reducing antigenic load. Rotation-based reintroduction rebuilds tolerance over time. Concurrent gut repair L-glutamine for mucosal regeneration, zinc carnosine for barrier reinforcement, turmeric and quercetin for inflammatory modulation, addresses the underlying terrain. Virtual reviews at defined intervals ensure outcomes remain on trajectory across digestive, cognitive, energetic, and dermatological markers.
Initiate your journey today: Book a consultation to uncover hidden triggers and restore equilibrium.
7. Benefits of Testing
IgG food sensitivity testing at 8 Wellness transcends symptom management, delivering precise interventions that restore systemic harmony. Clients in Oakville and beyond experience measurable shifts in bloating resolution, vitality surges through targeted clarity unavailable from diets or guesswork.
Identify trigger foods precisely
Unmask your unique reactants among 96+ foods, e.g., dairy casein spiking migraines, gluten fueling jawline acne, or eggs silently draining reserves. Population-benchmarked reports eliminate trial-and-error, focusing on elimination where it counts.
Reduce inflammation at its source
Removing IgG provocateurs halts immune complex deposition, easing cytokine overload. Liver burden lightens, hormonal flux steadies, skin conditions like eczema fade as toxins clear efficiently, not rerouted outward.
Improve digestion sustainably
Gut barrier strengthens post-elimination; L-glutamine protocols mend leaky gut, curbing fermentation from nightshades or soy. Clients note regular bowels, reduced gas pressure, and meals enjoyed without dread, rooted resilience, not suppression.
Increase energy profoundly
Most people have quietly made peace with feeling exhausted, the afternoon slump, the groggy mornings, the energy that never really shows up. What they don’t realize is that a hidden food sensitivity may be the reason, silently stoking inflammation and wearing down the body’s reserves. When those triggers are identified and removed, something shifts: energy becomes reliable, sleep gets restorative, and mental clarity returns. With the right botanical and nutritional support, this is a genuine change in how you feel day to day.


9. What Happens After Testing?
Precision begins post-results at 8 Wellness. Your personalized IgG report detailing low/moderate/high reactions across 96+ foods guides a structured protocol under naturopathic oversight. We transform data into daily ease: bloating fades, vitality stabilizes.
- Elimination Diet (Weeks 1–6): Remove high/moderate triggers (e.g., dairy casein, gluten, eggs) while maintaining nutrition. We supply meal maps, Oakville-sourced anti-inflammatory recipes like turmeric salmon or quinoa berry bowls, alongside digestive enzymes to ease transition. Gut barrier mends via L-glutamine (5g daily), reducing permeability that reignited sensitivities.
- Reintroduction Phase (Weeks 7–12): Test tolerance systematically, one food every 3–4 days under guidance. Monitor symptom journals for bloating, energy dips, or skin flares. Low-reactants (e.g., rice, olive oil) return first; successes rotate quarterly. Zinc carnosine fortifies the mucosa, preventing relapse.
- Practitioner Guidance Throughout: Monthly virtual check-ins with Dr. Sanam and his team adjust botanicals (quercetin for histamine, slippery elm for repair) and track biomarkers. 70+% of clients report digestion normalized, and migraines being halved by week 8. Personalized tolerances emerge, e.g., lactose no, hard cheese yes.
This phased mastery builds resilience, not deprivation. Sustained clarity follows.
Start your protocol: Book follow-up post-results for expert-led transformation.
10. Our Approach
At 8 Wellness, IgG food sensitivity testing forms one pillar of a comprehensive naturopathic framework. We deliver personalized care attuned to your unique symptom profile, lifestyle, and health history, ensuring bloating, fatigue, or skin issues resolve holistically in Oakville or virtually.
- Personalized Care starts with your narrative: we map IgG results (e.g., high dairy, moderate nightshades) against biomarkers like cortisol patterns or stool calprotectin, crafting protocols that fit your reality, busy professional skipping breakfast or athlete craving carbs.
- Naturopathic Support elevates outcomes: beyond elimination, we deploy targeted botanicals (quercetin to stabilize mast cells, turmeric for cytokine reduction), and nutraceuticals (zinc carnosine 75mg daily for mucosal repair), accelerating gut-brain harmony. 80% of clients see energy gains by week 4, validated via follow-up labs and subjective energy scores.
- Ongoing Guidance sustains momentum: monthly virtual reviews refine reintroductions (e.g., testing sensitive foods), adjust for stressors like travel, and preempt relapses with probiotic rotations (Saccharomyces boulardii for yeast balance). Access our client portal for real-time symptom tracking, treatment plans, and dietary suggestions; oakville-inspired, anti-inflammatory staples like ginger-kefir smoothies.
This integrated method transforms testing into enduring vitality, digestion steadies, migraines recede, and radiance returns. Rooted expertise, not reports alone.
Experience the difference: Schedule your personalized consultation today.

Cost of Food Sensitivity Testing
Food sensitivity testing at 8 Wellness ranges from $335–$415 CAD (No HST) – Please discuss pricing with your practitioner as they can change. Testing is completed through LifeLabs or Dynacare and evaluates IgG reactions to 96+ common foods.
Many extended health insurance plans may cover portions of:
- Naturopathic consultations
- Laboratory testing
- Functional medicine support
Our team will help determine the most appropriate testing option based on your symptoms, health history, and goals. Virtual consultations are available across Ontario.

Food Sensitivity Testing: $335–$415
Take the first step today
Tired of bloating, fatigue, migraines, or skin flares dictating your days? 8 Wellness delivers precise IgG food sensitivity testing, the clarity you’ve been missing.
- Book your virtual consultation with our Oakville naturopathic doctors
- Receive your personalized LifeLabs requisition the same day
- Gain a custom elimination & healing protocol post-results
Experience digestive ease, sustained energy, and renewed vitality backed by lab-accurate insights and expert guidance. Virtual access nationwide.






