Complete Guide to Microbiomix Metagenomic Mapping: A Practitioner’s Perspective Using the ROOT Method™

After 25 years as a licensed naturopathic practitioner and functional medicine clinician, I’ve ordered and interpreted over 300 Microbiomix Metagenomic Mapping tests as part of my signature ROOT Method™ approach to chronic health recovery. What started as curiosity about a new testing methodology has become one of the most valuable diagnostic tools in my practice for patients with complex gut issues.

This guide distils everything I’ve learnt from hundreds of patient cases, research analysis, and clinical pattern recognition. Whether you’re a patient trying to decide if Microbiomix is right for you, or a practitioner learning to interpret results, my goal is to give you practical, evidence-based insights that translate technical data into healing protocols using our proven four-phase ROOT Method™ framework.

What Is Microbiomix Metagenomic Mapping and Why Does It Matter?

Microbiomix Metagenomic Mapping is a comprehensive DNA-based stool analysis that uses quantitative PCR (polymerase chain reaction) technology to detect and measure microbial DNA in your gut. Unlike traditional culture-based stool tests that only grow bacteria in laboratory conditions, PCR detects genetic material directly—even from organisms that are dead, slow-growing, or impossible to culture.

Think of it this way: culture-based testing is like asking bacteria to survive in an artificial environment and hoping they’ll show up. PCR testing reads the DNA evidence left behind, giving us a far more accurate picture of what’s actually living in your gut.

The Critical Difference: Quantitative PCR

What sets Microbiomix apart is that it reports exact organism counts—not just “yes/no” presence. This quantification is crucial because it allows me to track whether a pathogen is at clinically significant levels or just low-level colonisation. Many practitioners, including myself, favour quantitative PCR over older stool tests precisely because of this precision.

In my experience with the ROOT Method™, roughly 90% of patients who had plateaued on diet and supplement protocols still showed some gut infection or dysbiosis on Microbiomix testing—infections that standard tests completely missed.

Within the ROOT Method™—our systematic four-phase approach to identifying and treating the fundamental imbalances that contribute to chronic health conditions—Microbiomix serves as a cornerstone diagnostic tool during the REVEAL phase, providing the detailed microbial intelligence we need to uncover the “why” behind your health struggles.

The ROOT Method™ stands for:

• Reveal the underlying causes
• Optimise what’s imbalanced
• Organise deficiencies and rebuild
• Transform and sustain long-term wellness

What Microbiomix Metagenomic Mapping Measures

The test provides quantitative data on:

• Pathogenic bacteria (H. pylori with virulence factors like CagA, C. difficile toxins, Salmonella, Campylobacter, pathogenic E. coli strains)
• Opportunistic bacteria (Klebsiella, Enterobacter, Citrobacter, Proteus, Pseudomonas—often linked to inflammation and autoimmune triggers)
• Parasites and protozoa (Giardia, Cryptosporidium, Entamoeba histolytica, Blastocystis, Dientamoeba fragilis)
• Viruses (Epstein-Barr, Cytomegalovirus, Norovirus, Adenovirus in stool—indicating reactivation or chronic GI viral infection)
• Fungi/yeast (Candida species, Candida albicans, Geotrichum, Microsporidia)
• Commensal bacteria (beneficial organisms like Lactobacillus, Bifidobacterium, Faecalibacterium prausnitzii, Akkermansia, Roseburia—essential for digestion, vitamin production, and immune regulation)
• Virulence factors (genes that make certain bacteria more harmful)
• Phyla ratios (Firmicutes:Bacteroidetes ratio—elevated ratios associated with weight gain, metabolic issues, and inflammation)
• Inflammatory markers (calprotectin—a gold-standard marker for IBD; lactoferrin; eosinophil protein X/EDN)
• Gut barrier function (zonulin for intestinal permeability; secretory IgA for mucosal immunity; anti-gliadin IgA for gluten reactivity)
• Metabolic markers (beta-glucuronidase for detoxification and hormone metabolism)

The ROOT Method™ Phase 1: REVEAL – When Do I Recommend Microbiomix Testing?

The first phase of the ROOT Method™ is all about advanced diagnostic investigation to reveal the underlying causes of your chronic health issues. Microbiomix testing is a critical component of this phase, but not everyone needs this level of investigation.

In my practice, I’ve identified specific symptom patterns and clinical presentations that make Microbiomix testing particularly valuable during the REVEAL phase. Sometimes empirical dietary changes and basic probiotic support are sufficient, but certain red flags tell me we need deeper investigation.

High-Priority Red Flags That Signal the Need for Advanced Testing

I strongly consider Microbiomix during the REVEAL phase when patients present with:

• Chronic bloating, abdominal distension, and alternating constipation/diarrhoea that hasn’t responded to basic interventions
• Recurrent or persistent diarrhoea, particularly after antibiotics or international travel
• Chronic fatigue combined with GI complaints (this often signals dysbiosis or low-grade inflammation)
• Autoimmune conditions with GI involvement, such as Hashimoto’s thyroiditis, rheumatoid arthritis, or inflammatory bowel conditions
• Unexplained nutrient deficiencies (B12, iron, magnesium) despite supplementation
• Systemic symptoms with suspected gut origin: eczema, brain fog, joint pain, or hormonal imbalances

Symptom Combinations That Are Particularly Telling

Over the years, I’ve noticed certain symptom clusters that almost always correlate with specific Microbiomix patterns:

Fatigue + bloating + intermittent diarrhoea often reveals low commensal bacteria (Lactobacillus, Bifidobacterium) and opportunistic bacterial overgrowth.

Constipation + abdominal discomfort + bloating frequently shows low butyrate-producing bacteria, particularly Faecalibacterium prausnitzii.

Recent antibiotics + ongoing GI issues commonly uncovers Candida overgrowth or opportunistic bacterial dominance.

Real Patient Stories: ROOT Method™ Transformations Using Microbiomix

Let me share three cases that illustrate how Microbiomix testing integrated into the ROOT Method™ framework created breakthrough results.

Case 1: The Hidden Dysbiosis Behind Chronic Fatigue

Sarah, a 42-year-old marketing executive, came to me after two years of debilitating fatigue and bloating. She’d seen multiple specialists, had extensive blood work, and completed two rounds of standard stool testing—all of which came back “normal.” She was frustrated and beginning to believe her symptoms were psychological.

REVEAL Phase: Her Microbiomix test revealed overgrowth of Clostridium difficile and significantly elevated Candida DNA levels, both of which were completely missed by conventional culture-based testing. These DNA-based findings gave us exact quantification—her C. diff was at levels high enough to explain her symptoms.

OPTIMISE Phase: We implemented targeted antifungal therapy (oregano oil and Saccharomyces boulardii) to address the pathogenic overgrowth, while simultaneously using antimicrobial herbs for the C. difficile.

ORGANISE Phase: Combined with prebiotic fibre and gut barrier support (L-glutamine, zinc carnosine) to restore beneficial bacteria.

TRANSFORM Phase: Within eight weeks, Sarah’s energy improved dramatically. Her bloating resolved, and she reported feeling “like myself again” for the first time in years. We’ve now transitioned her to sustainable wellness strategies to maintain her microbiome balance.

This case reinforced my understanding that PCR technology catches pathogens that traditional testing misses—making it invaluable for the REVEAL phase. It’s similar to a case study published where a patient named “Sam” had been treated for presumed SIBO for ten years without relief, only to have Microbiomix-style testing reveal multiple protozoa (Pentatrichomonas hominis and Dientamoeba fragilis) along with very low secretory IgA—all missed by breath tests and standard cultures.

Case 2: Post-Antibiotic IBS That Wasn’t IBS

David, a 35-year-old software developer, developed severe IBS symptoms after a course of antibiotics for a sinus infection. His doctor ran SIBO breath testing (negative) and a standard stool culture (normal), then diagnosed him with post-infectious IBS and recommended fibre supplements.

REVEAL Phase: His Microbiomix test told a different story. He had critically low levels of Bifidobacterium and Faecalibacterium prausnitzii—the butyrate-producing bacteria essential for gut barrier health and inflammation control. The quantitative data showed his beneficial bacteria were at less than 10% of optimal levels. No wonder fibre made him worse; he lacked the bacteria needed to ferment it properly.

OPTIMISE & ORGANISE Phases: We focused on diet modification, specific probiotic strains to rebuild Bifidobacterium, and resistant starch to feed butyrate producers.

TRANSFORM Phase: Within three months, his microbiome rebalanced and his symptoms resolved. He’s now symptom-free two years later, maintaining his gut health independently through the strategies we developed together. Follow-up Microbiomix testing at 4 months confirmed his Faecalibacterium levels had increased to normal range.

Case 3: The Autoimmune-Gut Connection

Linda, a 50-year-old woman with Hashimoto’s thyroiditis, experienced intermittent diarrhoea and joint pain that her endocrinologist attributed to her thyroid condition. Standard inflammatory markers showed normal calprotectin levels using conventional testing methods.

REVEAL Phase: Her Microbiomix test painted a different picture: elevated calprotectin (118 μg/g, well above the 50 threshold) and zonulin (indicating intestinal permeability), plus pathogenic E. coli with virulence factors that can trigger immune activation. The standard test had missed the inflammation because it used less sensitive methodology. Interestingly, research shows H. pylori appears in approximately 33% of Hashimoto’s patients, and we found it in Linda’s case as well—with CagA virulence factor positive, which is linked to ulcers and autoimmune flares.

OPTIMISE Phase: We addressed the pathogenic bacteria with antimicrobial herbs (berberine and neem for the E. coli, and a specific H. pylori protocol).

ORGANISE Phase: Supported her gut barrier with L-glutamine and zinc carnosine, and optimised her vitamin D levels to target 125-175 nmol/L.

TRANSFORM Phase: Not only did her GI symptoms improve, but her thyroid antibodies decreased by 40% over six months—a connection she’d never made until we addressed her gut integrity using the ROOT Method™. This mirrors published findings that show gut infections like H. pylori appear in about 70% of Hashimoto’s cases versus only 11% of controls. Learn more about our approach to autoimmune conditions here.

A Similar Published Case: In documented case studies, a patient named “Grace” developed sudden weight loss and severe abdominal pain. Extensive imaging and endoscopy were inconclusive, and a surgeon even recommended gallbladder removal. Instead, Microbiomix-style PCR testing detected whipworm (Trichuris trichiura) and Blastocystis hominis—pathogens conventional tests hadn’t identified. After targeted antiparasitic treatment, her pain improved by 90% and she regained her lost weight, avoiding unnecessary surgery.

Microbiomix vs. Other Gut Testing: Why I Prefer PCR in the REVEAL Phase

Patients often ask me how Microbiomix compares to other stool tests they’ve heard about. Here’s my clinical perspective after using multiple testing platforms within the ROOT Method™ framework:

Traditional Culture-Based Tests (Genova, Doctor’s Data)

These tests grow bacteria in laboratory media, which means they only detect organisms that survive and thrive in artificial conditions. They miss slow-growing organisms, fragile bacteria, all viruses, and many parasites. In my experience, about 30-40% of patients with “normal” culture results have significant findings on Microbiomix during our REVEAL phase.

Microbiome Sequencing Tests (Viome, Ombre, Thorne)

These tests provide interesting research data about microbiome diversity and relative abundance, but they’re often expensive and less clinically actionable. They don’t always quantify specific pathogens or measure inflammatory markers, which are critical for treatment planning in the OPTIMISE phase.

Why Microbiomix Stands Out in the ROOT Method™

Microbiomix combines quantitative pathogen detection, commensal bacteria measurement, virulence factor identification, and inflammatory/barrier function markers in a single test. The results directly inform treatment protocols with evidence-based interventions—allowing me to move seamlessly from REVEAL to OPTIMISE phases. The turnaround time is faster (typically 7-10 days), and the standardised reporting makes interpretation more consistent.

Most importantly, Microbiomix detects microbial DNA with higher sensitivity, allowing me to identify viruses, low-level pathogens, and dysbiosis patterns that other methods miss entirely—providing the comprehensive intelligence needed for successful ROOT Method™ implementation.

Preparing for Your Microbiomix Test: Getting Accurate Results for the REVEAL Phase

Proper preparation is crucial for accurate results during the REVEAL phase. I’ve seen patients waste hundreds of dollars on tests that were skewed by medications or supplements they didn’t know would interfere.

Important Note on Preparation: The official laboratory guidance states that “no special preparation instructions are needed—just eat your normal diet and do not stop prescribed medications.” However, in my clinical experience and based on functional medicine protocols, I recommend more specific preparation for optimal accuracy.

What to Avoid Before Testing

2-4 weeks before your test, discontinue:

• Antibiotics and antifungal medications (these can suppress organisms and create false negatives)
• High-dose probiotics (especially multi-strain formulas over 50 billion CFU)
• Antimicrobial herbs (oregano oil, berberine, grapefruit seed extract, biofilm disruptors)
• Antiparasitic medications

2 weeks before your test, avoid if possible:

• Proton pump inhibitors (PPIs like omeprazole) – these alter bacterial composition
• NSAIDs (ibuprofen, naproxen) – may increase gut inflammation and artificially elevate calprotectin
• Laxatives or stool softeners – can dilute bacterial DNA and skew quantitative results
• High-dose fibre supplements – may temporarily alter bacterial abundance
• Bowel prep cleansers or recent colonoscopy (wait at least 2 weeks)

Note: If you’re on essential medications (especially PPIs or antibiotics for active treatment), don’t stop them without consulting your practitioner. We can interpret results in context of medication use. Always prioritise your medical treatment over test preparation—the test can wait if necessary.

Timing Considerations

• Avoid testing during acute illness, food poisoning, or active diarrhoea—wait until symptoms stabilise (these can temporarily alter your microbiome)
• Women should avoid testing during menstruation to prevent blood contamination, which can void the test
• If you’ve recently travelled internationally, wait 2-3 weeks after returning home for more stable results
• Plan collection around shipping schedules—avoid collecting on Friday afternoon if you can’t ship until Monday

Dietary Considerations

Unlike some stool tests, Microbiomix doesn’t require a special diet. Eat normally during the collection period. Some practitioners recommend maintaining your usual fat intake (about 2-3 tablespoons per meal) to adequately stimulate markers related to fat digestion, but this isn’t essential.

Sample Collection Tips

This might seem obvious, but I’ve had patients make these mistakes:

• Use the collection kit exactly as provided—even small contamination from urine or toilet water can alter results and affect DNA quantification
• Label all vials with your name, date of birth, and collection date immediately
• Collect stool from multiple parts of one bowel movement (for representative sampling)
• Transfer stool to the collection tube immediately after bowel movement
• Keep the sample at room temperature (no refrigeration needed for transport—the kit is designed for room-temperature shipping)
• Never leave samples at room temperature for more than 24 hours before shipping
• Follow shipping instructions carefully—use the provided FedEx mailer and ship early in the week

Critical timing tip: Ship on Monday or Tuesday to avoid weekend delays at the laboratory. Samples sitting in a shipping facility over the weekend can degrade and affect results.

Common Preparation Mistakes

The biggest preparation errors I see:

1. Not clarifying protocol: The laboratory says “no special prep needed,” but functional medicine practitioners (including myself) often recommend 2-4 week antimicrobial washout. Confirm with your ordering clinician which applies to you—inconsistency here is the most common source of confusion.
2. Stopping medications abruptly: Never stop chronic treatments without medical supervision. If you’re on antibiotics for an active infection, wait until treatment is complete plus 2-4 weeks before testing.
3. Poor sample handling: Ensuring proper labelling, collection technique, and timely shipping prevents the need for expensive re-testing.
4. Testing too soon after treatment: If you’ve just completed a gut protocol, wait at least 4-6 weeks before testing to allow your microbiome to stabilise and show true post-treatment results.

How to Read Your Microbiomix Report: The REVEAL Phase in Action

When patients receive their Microbiomix results, they’re often overwhelmed by pages of data. The report is divided into categories: pathogens, normal flora, opportunistic flora, beneficial bacteria, fungi/yeast, viruses, phyla ratios, and immune/inflammation/digestive markers. Here’s my systematic approach to interpretation during the REVEAL phase of the ROOT Method™.

Step 1: Check for Pathogens

Start with the pathogen section. Anything flagged as “high” or “detected” for parasites, H. pylori, C. difficile, or pathogenic bacteria is clinically significant and typically requires treatment in the OPTIMISE phase. These are not normal gut inhabitants and often drive symptoms.

Key pathogens I prioritise:

• Parasites and protozoa (Giardia, Cryptosporidium, Entamoeba histolytica, Blastocystis, Dientamoeba fragilis, Trichuris/whipworm)
• H. pylori (especially if virulence factors CagA or VacA are detected—these indicate more aggressive strains linked to ulcers and autoimmunity)
• C. difficile (particularly toxin genes A and B—these cause actual disease, not just colonisation)
• Pathogenic E. coli strains with virulence factors
• Campylobacter, Salmonella, Yersinia (acute infection markers)

Critical Interpretation Note: The presence of pathogen DNA doesn’t always mean active disease. Some findings represent low-level asymptomatic colonisation. This is why clinical correlation is essential—I always assess whether the organism’s level matches your symptoms. For example, finding trace Campylobacter DNA in someone with no diarrhoea or inflammation may not warrant aggressive treatment, whereas the same finding in someone with chronic diarrhoea definitely does.

Step 2: Assess H. pylori and Virulence Factors

H. pylori deserves special attention. The test shows not just presence, but virulence genes:

• CagA positive: Associated with increased ulcer risk and autoimmune triggers (appears in ~70% of Hashimoto’s patients vs 11% of controls in research)
• VacA positive: Another virulence marker
• Quantitative level: Higher DNA copies indicate more significant infection

In my Hashimoto’s patients, I find H. pylori in roughly 33% of cases (counting even low detections), and it’s often accompanied by other gut imbalances like Blastocystis.

Step 3: Assess Commensal Bacteria

Low levels of beneficial bacteria indicate dysbiosis and often correlate with specific symptoms—information that guides our ORGANISE phase protocols:

• Low Lactobacillus – often seen with Candida overgrowth, vaginal infections, poor immune function, and impaired vitamin K production
• Low Bifidobacterium – common in IBS, post-antibiotic states, inflammatory conditions, and childhood development issues
• Low Faecalibacterium prausnitzii – frequently accompanies constipation, low butyrate production, poor gut barrier function, and systemic inflammation (this is one of the most important keystone species)
• Low Akkermansia muciniphila – linked to metabolic issues, reduced mucus layer integrity, and diabetes risk
• Low Roseburia – another butyrate producer essential for colon health
• Low Bacteroides fragilis – important for immune regulation

High levels of these beneficial bacteria generally indicate a healthy microbiome and predict better treatment outcomes.

Step 4: Review Opportunistic and Dysbiotic Bacteria

These organisms normally exist in small amounts, but overgrowth signals dysbiosis and inflammation. Many are linked to autoimmune disease triggers:

• Klebsiella – strongly associated with ankylosing spondylitis and thyroid autoimmunity through molecular mimicry
• Proteus – another well-known trigger for autoimmune conditions, particularly rheumatoid arthritis
• Citrobacter – often elevated in inflammatory conditions
• Enterobacter, Pseudomonas – opportunists that thrive when beneficial bacteria are suppressed
• Enterococcus, Staphylococcus – can be problematic in high amounts
• Bacillus – generally benign in small quantities

Research shows Klebsiella and Proteus, in particular, are common in patients with autoimmune conditions. I’ve seen these elevated in numerous Hashimoto’s and rheumatoid arthritis patients, and addressing them often correlates with reduced antibody levels.

Step 5: Assess Phyla Ratios

Microbiomix shows the Firmicutes:Bacteroidetes ratio—a key marker of metabolic health:

• Elevated ratio (too many Firmicutes vs Bacteroidetes) has been associated with weight gain, metabolic syndrome, obesity, and inflammation in extensive research
• Normal or low ratio generally indicates better metabolic flexibility
• This ratio guides dietary adjustments—more fibre and plant diversity typically increases Bacteroidetes

In my weight-resistant patients, I almost always see elevated Firmicutes:Bacteroidetes ratios, and this becomes a focus of the ORGANISE phase.

Step 6: Check Fungi and Yeast

Fungal overgrowth is common after antibiotic use or in patients with compromised immunity:

• Candida species (including Candida albicans specifically)
• Geotrichum
• Microsporidia (less common but significant if detected)

Important note: Microbiomix measures fungal DNA in stool, which may not correlate perfectly with systemic yeast overgrowth. If I suspect broader Candida issues (thrush, vaginal yeast, systemic symptoms), I often add urinary Organic Acids Testing to assess yeast metabolites throughout the body, not just the gut.

Overgrowth of Candida can contribute to bloating, gas, sugar cravings, and brain fog.

Step 7: Review Viruses

The test detects viral DNA in stool, which can indicate chronic GI infection or reactivation:

• Epstein-Barr Virus (EBV) in stool – suggests GI presence or reactivation
• Cytomegalovirus (CMV) – can flare IBD or cause chronic immune activation
• Norovirus, Adenovirus – typically acute infections

These findings often indicate immune compromise or chronic viral activation that needs addressing in the OPTIMISE phase. However, note that EBV and other systemic viruses are more reliably tested via blood serology—stool detection is an additional data point but not definitive for systemic infection.

Step 8: Inflammatory and Immune Markers

These markers tell me about gut integrity and immune activation—critical for planning both OPTIMISE and ORGANISE phase interventions:

• Calprotectin – elevated levels (>50 μg/g, though thresholds vary) indicate intestinal inflammation. This is a gold-standard marker for distinguishing inflammatory bowel disease (IBD) from functional IBS. Levels above 150-200 μg/g strongly suggest active IBD and warrant gastroenterology referral.
• Lactoferrin – another inflammation marker that often parallels calprotectin
• Zonulin – indicates intestinal permeability (“leaky gut”); elevated levels suggest barrier dysfunction and are often seen alongside autoimmune conditions
• Secretory IgA (sIgA) – A key immune marker:
  • High sIgA suggests acute infection or chronic dysbiosis with active immune response
  • Low sIgA indicates weak mucosal immunity, common in chronic stress, immune compromise, or immune exhaustion. In the case study of “Sam” mentioned earlier, very low sIgA (alongside protozoa) suggested significant immune suppression that needed support.
• Anti-Gliadin IgA – implies immune reactivity to gluten/gliadin in the gut, even without coeliac disease
• Eosinophil Protein X (EDN/EPX) – A newer marker measuring eosinophil activation. Elevated EPX indicates:
  • GI infections (viral, parasitic)
  • Allergic inflammation
  • Eosinophilic GI diseases
  • Often seen in inflammatory bowel disease and parasite infections
• Beta-Glucuronidase – An enzyme marker of dysbiosis and impaired detoxification. High levels suggest gut bacteria are undoing liver detoxification conjugation, potentially leading to:
  • Estrogen reabsorption (contributing to estrogen dominance and hormonal issues)
  • Toxin recirculation
  • Increased inflammation

Step 9: Look for Patterns and Relationships

This is where clinical experience and the ROOT Method™ framework converge. I don’t just look at isolated markers—I assess patterns that inform my entire treatment strategy:

• High Candida with low Lactobacillus and Bifidobacterium
• Enterobacteriaceae overgrowth (Klebsiella, Proteus, Citrobacter) with elevated inflammatory markers
• Low butyrate producers (Faecalibacterium, Roseburia) with high zonulin and constipation
• Multiple opportunistic bacteria with low secretory IgA
• H. pylori with elevated calprotectin and autoimmune markers (especially in Hashimoto’s)
• Blastocystis with chronic hives or IBS symptoms (common in Hashimoto’s patients)
• Elevated opportunists (Citrobacter, Klebsiella, Proteus) often occurring together and correlating with autoimmune disease

These patterns guide treatment prioritisation across all ROOT Method™ phases far better than treating individual markers in isolation.

Patterns I See Repeatedly:

In my analysis of hundreds of tests, certain clusters appear consistently:

• Low sIgA frequently coincides with chronic dysbiosis or parasitic infection
• Blastocystis or H. pylori alongside autoimmune markers in Hashimoto’s patients
• Yeast (Candida) with gut inflammation in IBS cases
• Depressed beneficial bacteria (Faecalibacterium, Roseburia low) accompanying loose stools, malabsorption, and systemic inflammation

Important Nuance: Numbers vs. Clinical Context

Not every abnormal value requires aggressive intervention. This is a critical point that both patients and practitioners sometimes miss—and it’s emphasised repeatedly in Microbiomix interpretive guides.

The presence of DNA does not guarantee disease. Microbiomix is so sensitive that it can detect very low-level organisms. Small amounts of common bacteria or low-level pathogens can be “within normal limits” and not require treatment. Clinicians must integrate results with symptoms and history.

For example:

• Finding trace Campylobacter DNA in someone with no diarrhoea or inflammation may represent harmless colonisation and not warrant antibiotics
• Low-level Candida DNA may look alarming on paper, but if you’re asymptomatic, I typically monitor rather than immediately prescribe antifungals during the OPTIMISE phase
• Some people test positive for Blastocystis yet are completely asymptomatic—it’s common and sometimes harmless

Conversely, some patients have “borderline” markers but severe symptoms—in these cases, I trust the clinical picture and treat accordingly through all ROOT Method™ phases.

Key principle: Treating every numerical deviation can actually worsen microbiome diversity and create new imbalances. I always ask: “Does this finding explain the patient’s symptoms?” before initiating treatment.

The ROOT Method™ Phase 2: OPTIMISE – Common Microbiomix Patterns and Treatment Protocols

After interpreting over 300 tests, certain patterns appear so frequently that I’ve developed specific protocols for the OPTIMISE phase of the ROOT Method™.

Pattern 1: High Candida + Low Lactobacillus/Bifidobacterium

Typical symptoms: Bloating, sugar cravings, fatigue, vaginal yeast infections (women), brain fog

OPTIMISE Phase Protocol:

• Antifungal herbs: oregano oil (150-200mg standardised carvacrol, twice daily), berberine (500mg, 2-3 times daily)
• Saccharomyces boulardii (5-10 billion CFU daily) – a beneficial yeast that crowds out Candida
• Dietary sugar reduction (eliminate refined sugars, limit fruit to 1-2 servings daily)

ORGANISE Phase Integration:

• Rebuild beneficial bacteria with targeted probiotics containing Lactobacillus and Bifidobacterium strains
• Support gut barrier with L-glutamine

Timeline: Typically see improvement in 4-6 weeks; re-test at 3-4 months to track TRANSFORM phase progress

Pattern 2: Low Butyrate-Producing Bacteria

Typical symptoms: Chronic constipation, slow transit, bloating, fatigue

Key organisms usually low: Faecalibacterium prausnitzii, Roseburia species, Eubacterium rectale

ORGANISE Phase Protocol:

• Resistant starches: cooked and cooled potatoes/rice, green bananas, raw potato starch (start with 1 teaspoon, gradually increase)
• Prebiotics: acacia fibre, partially hydrolysed guar gum (PHGG)
• Fibre-rich vegetables: aim for 8-10 servings daily of diverse plant foods
• Specific probiotics that produce butyrate or feed butyrate producers

Timeline: Bowel movement improvements often begin within 2-3 weeks; full microbiome shift takes 2-3 months before entering TRANSFORM phase

Pattern 3: Elevated Inflammatory Markers (Calprotectin, Lactoferrin)

Typical symptoms: Diarrhoea, urgency, abdominal pain, systemic inflammation

OPTIMISE Phase Protocol:

• Address underlying triggers (pathogens, food sensitivities, stress)
• Gut barrier support: L-glutamine (5-10g daily), zinc carnosine (75-150mg twice daily)

ORGANISE Phase Integration:

• Anti-inflammatory nutrients: omega-3 fatty acids (2-3g daily), curcumin (500-1000mg daily), vitamin D optimisation (target 125-175 nmol/L)
• Anti-inflammatory dietary approach: Mediterranean or specific carbohydrate diet (SCD)

Timeline: Inflammation markers often decrease within 4-8 weeks with appropriate intervention across OPTIMISE and ORGANISE phases

Pattern 4: Enterobacteriaceae Overgrowth + Elevated Inflammation

Typical symptoms: Gas, bloating, diarrhoea, systemic inflammation

Common culprits: Klebsiella, Enterobacter, Citrobacter, Proteus

OPTIMISE Phase Protocol:

• Targeted antimicrobials: berberine, neem, or prescription antibiotics if severe
• Concurrent probiotic support to prevent overgrowth of other opportunists

ORGANISE Phase Integration:

• Address diet triggers: reduce simple carbohydrates that feed these organisms
• Support with digestive enzymes if needed

Timeline: Symptoms often improve within 3-4 weeks; microbial shifts confirmed at 3-month re-test as you transition to TRANSFORM phase

The ROOT Method™ Phase 2 & 3: Treatment Priorities Across OPTIMISE and ORGANISE

One of the most common questions I get is: “My Microbiomix shows multiple issues—where do I start?”

When results reveal high Candida, low beneficial bacteria, elevated calprotectin, AND a parasite, it’s overwhelming. Here’s my staged approach that aligns with the ROOT Method™ phases, minimises die-off reactions, and ensures sustainable recovery:

OPTIMISE Phase 1: Address Active Pathogens (Weeks 1-4)

Parasites and pathogenic bacteria pose immediate risk and often drive inflammation. I prioritise these first with targeted antimicrobials (herbal or prescription depending on severity).

OPTIMISE Phase 2: Support Gut Barrier and Reduce Inflammation (Weeks 2-6)

While addressing pathogens, I simultaneously support gut integrity with L-glutamine, zinc carnosine, and anti-inflammatory nutrients. This prevents the “leaky gut” from worsening during pathogen die-off.

ORGANISE Phase 1: Restore Beneficial Bacteria (Weeks 4-12)

Once pathogens are under control and inflammation is decreasing, I focus on rebuilding commensal bacteria through targeted probiotics, prebiotics, and dietary diversity—the cornerstone of nutritional restoration in the ROOT Method™.

ORGANISE Phase 2: Treat Opportunistic Overgrowth (Weeks 6-12)

Candida and opportunistic bacteria are addressed last, once the foundation is established. This prevents them from simply recurring because the ecosystem wasn’t ready to keep them in check.

This phased approach takes longer than aggressive “kill everything at once” protocols, but in my experience with the ROOT Method™, it produces more durable results with fewer adverse reactions.

The ROOT Method™ Phase 3: ORGANISE & REBUILD – Dietary Approaches During Microbiomix Treatment

There’s no one-size-fits-all diet for gut healing, which is why the ORGANISE phase of the ROOT Method™ emphasises personalised nutrition plans based on Microbiomix findings, your genetic variants, food sensitivity results, and individual tolerance.

Low-FODMAP Diet

When I use it: IBS with gas, bloating, and diarrhoea; SIBO confirmed or suspected

Duration: 4-8 weeks elimination phase, then systematic reintroduction

Caution: Long-term restriction can reduce beneficial bacteria; this is a temporary intervention during ORGANISE phase

Specific Carbohydrate Diet (SCD)

When I use it: Chronic dysbiosis, post-antibiotic recovery, inflammatory bowel conditions

Duration: 3-6 months minimum for microbiome rebalancing through ORGANISE and into TRANSFORM phases

Benefits: Starves pathogenic bacteria while allowing beneficial species to thrive

Mediterranean or Anti-Inflammatory Diet

When I use it: Elevated inflammatory markers, autoimmune conditions, general gut barrier support

Duration: Long-term sustainable approach that carries into TRANSFORM phase

Benefits: Supports gut barrier health, reduces systemic inflammation, provides diverse prebiotic fibres

Key Dietary Principles Across All ROOT Method™ Approaches

• Eliminate refined sugars and processed foods
• Emphasise diverse plant foods (aim for 30+ different plants weekly)
• Include fermented foods if tolerated (sauerkraut, kimchi, kefir)
• Prioritise organic produce when possible to reduce pesticide exposure
• Adequate protein for gut tissue repair
• Healthy fats for inflammation control and nutrient absorption

The ROOT Method™ Phase 4: TRANSFORM – Re-Testing Strategy and Long-Term Wellness

Microbiomix tests cost $550 AUD out-of-pocket, so patients rightfully want to know if and when they should re-test as they move into the TRANSFORM phase of the ROOT Method™.

My Re-Testing Approach Within the ROOT Method™

I typically recommend re-testing 3-6 months after beginning intervention—usually as patients transition from ORGANISE to TRANSFORM phases. However, I don’t automatically re-test everyone—clinical improvement is the primary guide.

I track these indicators before deciding to re-test:

• Stool frequency and consistency (Bristol Stool Chart improvements)
• Bloating, gas, and abdominal discomfort levels
• Energy and fatigue patterns
• Systemic symptoms (skin issues, joint pain, brain fog)
• Lab markers like calprotectin, nutrient levels

If symptoms have resolved and clinical markers are stable, I often wait to re-test until 6-9 months into the TRANSFORM phase, or only if symptoms return.

When to re-test sooner (3 months):

• Initial test showed multiple pathogens requiring aggressive OPTIMISE phase treatment
• High inflammatory markers that need monitoring
• Autoimmune condition where gut health impacts disease progression
• Symptoms improved but haven’t fully resolved—still in ORGANISE phase

What to Focus on During Re-Testing in the TRANSFORM Phase

I don’t need to see every marker normalised. I focus on the problematic areas identified in the initial REVEAL phase:

• Did Candida levels decrease?
• Have pathogenic bacteria been eliminated?
• Did beneficial bacteria increase?
• Have inflammatory markers (calprotectin, zonulin) improved?

Sometimes a marker remains slightly elevated but symptoms have completely resolved—this is where clinical judgement in the TRANSFORM phase matters more than perfect numbers.

What to Expect: Realistic Treatment Timelines Through the ROOT Method™

Based on 300+ patient cases using the ROOT Method™ framework, here’s what typical recovery looks like with Microbiomix-guided protocols:

Weeks 1-2: Early OPTIMISE Phase Adjustments

Minor symptom relief begins—reduced bloating, lighter stool consistency, slightly improved energy. This comes from removing dietary triggers and initiating gut barrier support. Some patients experience temporary worsening (die-off reactions) during this phase.

Weeks 4-6: OPTIMISE Phase Improvements

More substantial changes in GI function: regular bowel movements, reduced urgency or diarrhoea, decreased gas and bloating. Microbiome shifts begin to stabilise, and inflammatory markers often drop. Energy levels start to normalise.

Months 3-6: ORGANISE to TRANSFORM Phase Transition

Dysbiosis resolves or significantly decreases. Energy levels normalise, autoimmune flares often diminish, and nutrient absorption improves. This is typically when I recommend re-testing to confirm microbial balance restoration and successful entry into TRANSFORM phase.

Important note: Timelines vary based on baseline gut health, protocol adherence, diet quality, stress levels, and whether multiple interventions are required simultaneously. Patients with severe dysbiosis and multiple pathogens may need 6-12 months to move through all ROOT Method™ phases for complete resolution.

Roughly 70-80% of my patients see clinically significant improvement within 3-6 months of Microbiomix-guided ROOT Method™ interventions. Full remission or complete symptom resolution occurs in 40-50%, depending on complexity and adherence.

Common Mistakes I See Practitioners Make Outside the ROOT Method™ Framework

After years of consulting with colleagues and reviewing patients’ previous test interpretations, I’ve identified several pitfalls that the systematic ROOT Method™ approach helps avoid:

Mistake 1: Overreacting to Low-Level Pathogen DNA Without REVEAL Phase Context

PCR detects DNA, not necessarily viable organisms. Finding low levels of a pathogen without corresponding symptoms doesn’t always warrant aggressive treatment in the OPTIMISE phase. I’ve seen practitioners prescribe multiple rounds of antibiotics for trace amounts of organisms that weren’t causing any clinical issues.

Mistake 2: Treating Dysbiosis Without ORGANISE Phase Nutritional Restoration

Throwing probiotics and antimicrobials at dysbiosis without fixing the underlying diet and gut barrier integrity leads to temporary improvements at best. The microbiome simply reverts to its dysbiotic state because the ORGANISE phase wasn’t properly implemented to support beneficial bacteria.

Mistake 3: Ignoring Patterns and Relationships

Treating Candida overgrowth in the OPTIMISE phase without simultaneously restoring Lactobacillus in the ORGANISE phase creates a vacuum that allows other opportunists to take over. The ROOT Method™ emphasises addressing the whole ecosystem across all phases, not isolated markers.

Mistake 4: Re-Testing Too Early Before TRANSFORM Phase

The microbiome needs time to shift and stabilise through OPTIMISE and ORGANISE phases. Re-testing at 4-6 weeks doesn’t allow interventions adequate time to work, wastes money, and often shows discouraging results that don’t reflect the eventual TRANSFORM phase outcomes.

Mistake 5: Assuming PCR Only Detects Live Organisms

PCR detects DNA, which may include dead microbes from recent die-off during the OPTIMISE phase. This is why the ROOT Method™ emphasises interpreting results in the context of symptoms and recent treatment history.

When Microbiomix Is NOT the Right Choice for Your ROOT Method™ Journey

Despite my enthusiasm for this test within the ROOT Method™ framework, it’s not appropriate for everyone. Here’s when I recommend alternative approaches:

Acute Diarrhoea from Recent Food Poisoning

Standard culture or PCR panels designed for acute pathogens (Salmonella, Campylobacter, Shigella) may be more appropriate and are often covered by Medicare. Microbiomix may be too sensitive for acute gastroenteritis, potentially flagging non-pathogenic levels when you need clear yes/no answers about specific acute pathogens.

Limited Budget with Clear IBS Presentation

For straightforward IBS with typical symptom patterns, sometimes a therapeutic trial (low-FODMAP diet, specific probiotics, peppermint oil) makes more sense than investing $550 in REVEAL phase testing upfront. Consider simpler tests first, then escalate to Microbiomix if initial approaches fail.

SIBO Diagnosis

This is critical: Microbiomix analyses stool, which reflects colonic microbiome, not small intestine. For suspected SIBO, a breath test (lactulose or glucose) is far more appropriate and is the gold standard. Microbiomix may miss or underestimate SIBO organisms since they live in the small intestine, not the colon where stool is formed.

However, Microbiomix can be valuable alongside SIBO breath testing to uncover other gut factors that contribute to SIBO-like symptoms—as we saw in the “Sam” case study where breath tests were negative but Microbiomix revealed protozoa.

Suspected Systemic Yeast or Fungal Problems

While Microbiomix detects Candida DNA in stool, a systemic yeast problem may require other testing. Many practitioners (including myself) use a urinary Organic Acids Test (OAT) to assess Candida metabolites, which can be more accurate for whole-body yeast burden rather than just gut colonisation.

Certain Organism-Specific Testing

• Yersinia enterocolitica (associated with thyroid autoimmunity) is best detected by antibody assays, not stool PCR
• Bartonella requires specific blood testing
• Systemic EBV or CMV is more reliably tested by blood serology than stool detection

Microbiomix includes EBV and CMV in stool, but a positive or negative stool result can be hard to interpret for systemic infection.

Very Recent Antibiotic Use

Testing immediately after antibiotics doesn’t give an accurate picture of your baseline microbiome during the REVEAL phase. Wait at least 4-6 weeks post-antibiotics before testing (or 2-4 weeks minimum if timing is critical).

When Simple Interventions Haven’t Been Tried

If someone hasn’t yet tried basic gut health fundamentals (eliminating processed foods, reducing sugar, managing stress, taking a basic probiotic), I often recommend starting there before investing in comprehensive REVEAL phase testing. Microbiomix is expensive (~$550 AUD) and not insurance-covered, so it’s worth reserving for complex cases where standard testing has failed.

Cost and Practicality Considerations

Balance the investment with your clinical picture. For mild or self-limited symptoms, targeted tests (standard stool culture, SIBO breath test) may be more cost-effective initially. Use Microbiomix when basic tests are inconclusive or for chronic, multi-system issues.

Microbiomix is expensive (~$550 AUD) and not insurance-covered, so it’s worth reserving for complex cases where standard testing has failed.

When TO Use Microbiomix:

Use Microbiomix when you need a comprehensive gut evaluation, especially in:

• Chronic, unresolved GI issues despite standard workups
• Dysbiosis and suspected multiple infections
• Complex cases (IBS, IBD, food sensitivities, autoimmune triggers)
• Extraintestinal issues potentially tied to the gut (skin conditions, mood disorders, metabolic syndrome, chronic fatigue)
• When you’ve plateaued on diet and supplements but symptoms persist

What Microbiomix Cannot Tell You

It’s important to understand the limitations of any test within the ROOT Method™. Here’s what Microbiomix doesn’t measure:

SIBO or small intestine overgrowth – The test analyses stool, which represents the colon, not the upper GI tract.

Day-to-day microbiome fluctuations – Microbiomix is a snapshot. Your microbiome can vary based on recent diet, stress, bowel movement timing.

Functional output like short-chain fatty acid (SCFA) production – Microbiomix infers SCFA production based on the presence of bacteria known to produce these metabolites, but doesn’t directly measure SCFA levels.

All food sensitivities – While gut inflammation and barrier dysfunction can indicate reactivity, specific food sensitivities require separate IgG or elimination testing during the REVEAL phase.

Systemic immune triggers – Microbiomix focuses on the gut; systemic autoimmune triggers may require additional REVEAL phase testing (ANA, inflammatory markers, etc.).

The Science Behind Microbiomix: Research That Informs the ROOT Method™

My ROOT Method™ clinical protocols are grounded in peer-reviewed research. Here are key studies that shape how I interpret and act on Microbiomix findings:

Zonulin and Intestinal Permeability

Fasano et al. (Physiological Reviews, 2011) established zonulin as a key regulator of intestinal tight junctions. Elevated zonulin on Microbiomix during the REVEAL phase indicates barrier dysfunction, which I address in the OPTIMISE phase with L-glutamine, zinc, and dietary interventions to reduce triggers.

Calprotectin as an Inflammatory Marker

Røseth et al. (Gastroenterology, 1992) demonstrated that faecal calprotectin correlates with intestinal inflammation severity. I use this marker to track inflammation levels during OPTIMISE phase and gauge treatment effectiveness as we transition to TRANSFORM phase without invasive procedures.

Butyrate-Producing Bacteria and Gut Health

Louis et al. (Nature Reviews Gastroenterology & Hepatology, 2014) showed the critical role of butyrate in maintaining gut barrier integrity, reducing inflammation, and supporting colonocyte health. When Microbiomix shows low Faecalibacterium prausnitzii or other butyrate producers during the REVEAL phase, I prioritise resistant starches and prebiotics in the ORGANISE phase.

PCR Detection of C. difficile and Other Pathogens

Crobach et al. (Clinical Microbiology Reviews, 2016) validated PCR methodology for detecting C. difficile and other pathogens with greater sensitivity than culture. This research supports Microbiomix’s approach and explains why it catches pathogens that conventional tests miss during the critical REVEAL phase.

These studies, amongst others, provide the evidence base for integrating microbial DNA detection, inflammatory markers, and barrier function assessment into the actionable ROOT Method™ treatment protocols across all four phases.

Cost Considerations: Is Microbiomix Worth the Investment in Your ROOT Method™ Journey?

Microbiomix typically costs $550 AUD out-of-pocket as part of the REVEAL phase investment. Here’s my framework for helping patients decide if it’s justified:

When the Cost Is Justified for the ROOT Method™

• Symptoms have persisted for months or years despite multiple interventions
• Previous standard testing has been inconclusive or normal
• Multiple body systems are affected (gut + fatigue + skin + joint pain)
• Autoimmune condition where gut health impacts disease progression
• Post-antibiotic complications that haven’t resolved
• Strong family history of GI disease requiring proactive assessment

When to Start with Empirical Treatment First

• New onset symptoms (less than 3 months)
• Classic IBS presentation without red flag symptoms
• Limited budget where $550 creates financial strain
• Haven’t yet tried basic interventions (diet, stress management, basic probiotics)

I always remind patients that Microbiomix is an investment in the REVEAL phase that informs all subsequent ROOT Method™ phases. Without testing, we’re guessing—trying probiotic after probiotic, supplement after supplement, often spending hundreds of dollars without clear direction. Microbiomix provides the roadmap that guides us efficiently through OPTIMISE, ORGANISE, and TRANSFORM phases, potentially saving money by preventing trial-and-error approaches.

Moving Forward: Your Next Steps with the ROOT Method™

If you’ve made it this far, you’re clearly serious about understanding your gut health through a comprehensive, systematic approach. Here’s what I recommend as your next steps:

If You’re a Patient Considering the ROOT Method™ with Microbiomix

1. Evaluate your symptoms against the red flags and patterns I’ve outlined
2. Review your testing history – have standard tests missed something during previous REVEAL attempts?
3. Consider your timeline – have symptoms persisted despite interventions?
4. Assess your readiness – can you commit to the preparation protocol and all four ROOT Method™ phases?
5. Find a qualified practitioner trained in functional microbiome analysis and the ROOT Method™ framework who can interpret results in context

If You’re a Practitioner Learning Microbiomix Interpretation

1. Adopt a systematic framework like the ROOT Method™ – straightforward REVEAL, OPTIMISE, ORGANISE, TRANSFORM phases prevent overwhelm
2. Track outcomes – keep detailed notes on which protocols work for which patterns across all phases
3. Avoid common pitfalls – context matters more than numbers; treat the patient through all ROOT phases, not just the test
4. Continue education – microbiome science is rapidly evolving; stay current with research
5. Collaborate – discuss challenging cases with experienced colleagues

Final Thoughts from 25 Years of Practice Using the ROOT Method™

The gut is not just about digestion—it’s the foundation of immune function, neurotransmitter production, hormone metabolism, and systemic inflammation control. After 25 years of clinical practice, I’ve witnessed countless patients transform their health by addressing gut dysfunction that had been overlooked for years using the systematic ROOT Method™ approach.

Microbiomix has become an indispensable tool in my practice because it provides actionable data during the REVEAL phase that directly informs treatment across all subsequent phases. It’s not perfect, and it’s not necessary for everyone, but for patients with complex, persistent gut issues, it often reveals the missing pieces that standard testing overlooks.

The key is interpreting results within clinical context using the ROOT Method™ framework: Revealing root causes rather than just suppressing symptoms, Optimising what’s imbalanced, Organising nutritional deficiencies and rebuilding the ecosystem, and Transforming health through sustainable long-term strategies—not just treating isolated markers.

Your gut microbiome is a dynamic, living community that responds to the inputs you provide: food, stress, medications, sleep, and environment. With the right information from Microbiomix and targeted interventions through all four ROOT Method™ phases, most patients can restore balance and reclaim their health.

Who Benefits from Microbiomix Testing Within the ROOT Method™?

The ROOT Method™ with Microbiomix testing is particularly effective for individuals struggling with:

Energy & Metabolism

• Chronic fatigue syndrome
• Fibromyalgia
• Thyroid disorders
• Metabolic syndrome
• Weight resistance

Digestive Health

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• Irritable bowel syndrome (IBS)
• Small intestinal bacterial overgrowth (SIBO)
• Inflammatory bowel conditions
• Food intolerances
• Chronic bloating and gas

Hormonal Imbalances

• Adrenal fatigue
• PCOS and fertility issues
• Menopause symptoms
• PMS and irregular cycles
• Hormonal imbalances

Autoimmune Conditions

• Hashimoto’s thyroiditis
• Rheumatoid arthritis
• Psoriasis and eczema
• Multiple sclerosis
• Autoimmune disease

Mental Health & Cognition

• Anxiety and depression
• Brain fog
• Memory issues
• Sleep disorders
• Cognitive health concerns

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Ready to Investigate Your Gut Health with the ROOT Method™?

If you’re experiencing chronic digestive symptoms, unexplained fatigue, or systemic issues that may have gut origins, comprehensive microbiome testing as part of the ROOT Method™ could provide the answers you’ve been seeking.

The ROOT Method™ represents a comprehensive, four-phase approach to health transformation:

Phase 1: REVEAL – Advanced diagnostic investigation including Microbiomix testing
Phase 2: OPTIMISE – Correcting core imbalances with targeted protocols
Phase 3: ORGANISE & REBUILD – Nutritional restoration and deficiency correction
Phase 4: TRANSFORM – Long-term resilience and sustainable wellness

Book your microbiomix test consultation today to determine if Microbiomix Metagenomic Mapping and the ROOT Method™ are right for you. Receive personalised guidance on interpreting results and implementing evidence-based treatment protocols across all four phases.

During your complimentary discovery call, you’ll:

• Share your health story and learn how the ROOT Method™ can address your specific concerns
• Discover if you’re a good candidate for our comprehensive four-phase program
• Learn how Microbiomix testing fits into the REVEAL phase
• Get your questions answered about functional medicine and the ROOT Method™

Your gut holds the keys to your health—let’s unlock them together through the proven ROOT Method™ framework.

Contact us today:
Phone: 03 9382 9790
Email: info@myvitalhealthsolutions.com.au
Address: 195A Sunshine Ave, Kealba, VIC 3021

Book Your Free Discovery Call Now

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Related Resources

Learn More About Our Services:

• Complete GI Microbiome Mapping
• The ROOT Method™
• Gut Health Specialist Melbourne
• Digestive Disorders Treatment
• First Consultation

Additional Testing Options:

• Organic Acids Test
• Hormone Testing Melbourne
• CEDS Testing

Read More About Conditions We Treat:

• Chronic Fatigue
• Autoimmune Conditions
• Women’s Hormones
• Metabolic Syndrome

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The ROOT Method™ is a trademark of Vital Health and Natural Medicine. This information is for educational purposes only and is not intended to diagnose, treat, cure, or prevent any disease. Always consult with your healthcare provider before making changes to your health regimen.