TDG Five-Test Programme Resilient Gut System Resilient Stress System Gut Health Testing Food Sensitivity Testing Leaky Gut Testing What is an FDN-P? Metabolic Natures Books All Products Resources Blog Book a Call
TDG Five-Test Programme Resilient Gut System Resilient Stress System Gut Health Testing Food Sensitivity Testing Leaky Gut Testing What is an FDN-P? Metabolic Natures Books All Products Resources Health Pattern Finder — Free Blog Book a Call
Cross-Test Pattern Recognition · TDG Clinical Method

It Is Never
Just One Thing

Social media tells you it is simple. That there is one answer — one supplement, one protocol, one habit — that will fix how you feel. There isn't. But the complexity is not bad news. It is the map. And a map with many features has many routes to where you want to go.

The Clinical Reframe

More Findings.
More Ways to Win.

When someone feels terrible and has tried everything, there is a particular despair that comes from seeing yet another "normal" result. But when five integrated tests return multiple findings across multiple systems — when there are ten things measurably wrong — something shifts.

Ten things wrong means ten intervention points. Ten ways to pull a lever that moves the dial. The path back to health is not one correction. It is a sequence of targeted changes, layered in over time, each building on what came before. In FDN methodology this is called titration — building the magnitude of the protocol cumulatively, not all at once.

Finding more dysfunction is not a worse result. It is a more complete map. And a complete map, however detailed, is always better than no map at all.

An Example — Ten Intervention Points from Five Tests
01
Restrict foods high in oxalates and potassium — OAT finding, kidney/liver load
02
Add sodium support — adrenal insufficiency pattern, DUTCH cortisol finding
03
Three structured meals of protein + vegetables — blood sugar pattern, Randox fasting glucose/insulin
04
Target digestive infection — GI-MAP pathogen finding, elevated calprotectin
05
Remove reactive foods — IgG Food MAP high-reactivity panel
06
Support liver detox pathways — OAT bile acid markers, DUTCH oestrogen metabolism
07
Replenish ferritin — Randox iron studies, sub-optimal at 22 µg/L
08
Restore sleep architecture — DUTCH melatonin, cortisol evening elevation
09
Rebuild microbiome — GI-MAP depleted Lactobacillus, low sIgA, poor diversity
10
Support mitochondrial function — OAT Krebs cycle markers, CoQ10 depletion pattern
Cross-Test Patterns

The Six Most Common Clinical Patterns

These are the patterns that emerge most frequently when five tests are read together. They are not diagnoses. They are signatures — recurring combinations of findings across multiple tests that point toward a common underlying driver. Each pattern has a characteristic appearance in the data, a set of symptoms it tends to produce, and a clinical logic that explains why the findings cluster together.

Pattern 01
The HPA-Gut Axis Collapse
DUTCH Plus GI-MAP Randox
What the data shows
Flattened cortisol curve + gut dysbiosis + low sIgA

Chronic stress suppresses both HPA function and gut immune defence simultaneously. The DUTCH shows a flat diurnal cortisol curve — low morning, no peak, absent variation — while the GI-MAP shows depleted secretory IgA, opportunistic bacterial overgrowth, and often a pathogen that a more resilient immune system would have cleared. Randox typically shows low DHEA-S, elevated CRP, and early insulin resistance as the metabolic downstream consequences. The gut and the adrenals are not separate systems — chronic cortisol dysregulation is one of the most reliable drivers of gut immune failure.

Flat cortisol curve Low DHEA-S Depleted sIgA Opportunistic overgrowth Elevated CRP
Pattern 02
Oestrogen Dominance via the Oestrobolome
DUTCH Plus GI-MAP OAT
What the data shows
Elevated β-glucuronidase + impaired oestrogen metabolism + high 16-OH oestrone

Elevated beta-glucuronidase on the GI-MAP — produced by dysbiotic bacteria — deconjugates excreted oestrogens in the gut, allowing them to be reabsorbed rather than eliminated. The DUTCH simultaneously shows impaired oestrogen detoxification via the 2-OH:16-OH ratio, with excess 16-alpha-hydroxyoestrone accumulating. The OAT often shows elevated liver detoxification markers reflecting the burden. The result is a clinically significant oestrogen recirculation pattern that produces classic oestrogen dominance symptoms — heavy periods, breast tenderness, mood shifts, weight around the hips — while no single test alone would identify the mechanism.

β-glucuronidase elevated 2-OH:16-OH ratio skewed High 16-OH oestrone OAT detox burden
Pattern 03
Blood Sugar Dysregulation Masking as Fatigue
Randox DUTCH Plus OAT
What the data shows
Fasting insulin elevated + HbA1c high-normal + cortisol reactive pattern + OAT mitochondrial markers

Insulin resistance begins years before fasting glucose becomes abnormal — by which point significant metabolic damage has accumulated silently. Randox shows fasting insulin above the functional optimal of 5 µIU/mL and HbA1c trending toward the upper end of conventional normal. The DUTCH shows a reactive cortisol pattern — normal or elevated morning cortisol spiking in response to blood sugar instability — and low DHEA-S reflecting the metabolic stress load. OAT shows impaired Krebs cycle function and elevated markers of mitochondrial inefficiency. The presenting complaint is usually fatigue, weight resistance, and low mood — none of which point to blood sugar in conventional assessment.

Fasting insulin >5 µIU/mL HbA1c high-normal Reactive cortisol OAT Krebs markers
Pattern 04
The Leaky Gut — Food Sensitivity Loop
GI-MAP IgG Food MAP Randox
What the data shows
Elevated zonulin + reactive food cluster + elevated CRP + Candida reactivity

Elevated zonulin on the GI-MAP indicates increased intestinal permeability. The IgG Food MAP simultaneously shows a reactive cluster — often gluten, dairy, corn, eggs, and Candida species — reflecting the immune activation that results when partially digested food particles cross a compromised barrier. Randox shows elevated CRP and sometimes elevated homocysteine, indicating the systemic inflammatory burden of chronic gut immune activation. The Candida reactivity on the food sensitivity panel and Candida species on the GI-MAP often appear together — a classic co-presentation that confirms the permeability driver.

Elevated zonulin IgG reactive cluster Candida reactivity Elevated CRP
Pattern 05
Mitochondrial Dysfunction & Energy Debt
OAT Randox DUTCH Plus
What the data shows
OAT Krebs cycle markers elevated + CoQ10 depletion pattern + low ferritin + low DHEA-S

Impaired mitochondrial energy production has a characteristic OAT signature — elevated Krebs cycle intermediates including citric acid, succinic acid, and fumaric acid indicating metabolic bottlenecks in ATP production. Randox shows sub-optimal ferritin (iron is an essential cofactor in the electron transport chain) and often elevated liver enzymes from the metabolic burden. The DUTCH shows low DHEA-S and a flattened cortisol response — the HPA axis exhausted from sustaining function on insufficient cellular energy. This pattern underlies many presentations of chronic fatigue, poor exercise recovery, cognitive fog, and post-viral syndrome.

OAT Krebs elevation Low ferritin Low DHEA-S CoQ10 depletion markers
Pattern 06
Detoxification Burden & Liver Load
OAT DUTCH Plus Randox GI-MAP
What the data shows
Elevated urinary bile acids + impaired Phase II DUTCH + GGT elevated + β-glucuronidase

The OAT shows elevated urinary bile acids — a marker of liver detoxification strain and dysbiosis-driven bile acid dysregulation. The DUTCH shows impaired oestrogen Phase II conjugation pathways (glucuronidation, sulphation), indicating that the liver's detoxification capacity is being outstripped by the hormonal and toxin load it carries. Randox shows elevated GGT and ALT at the high end of conventional normal — a finding that passes standard clinical review but indicates meaningful liver stress. The GI-MAP shows elevated beta-glucuronidase adding recirculation burden. All four tests pointing toward hepatic load simultaneously tells a coherent clinical story that no single test would tell.

Elevated bile acids Phase II impairment GGT/ALT high-normal β-glucuronidase elevated
The Scale of the Picture

Why One Test Can Never Tell the Story

The patterns above are not visible on any single test. They emerge from the relationships between tests — the cross-system connections that are invisible until you have the full picture in front of you simultaneously. This is the clinical case for integrated testing rather than sequential single-test investigation.

900+
Data Points
Per client across five integrated tests — each data point a piece of the pattern, none sufficient alone
150+
Blood Markers
Randox blood chemistry alone — read at functional optimal ranges, not population reference ranges
7
Body Systems
Hormone, gut, immune, metabolic, detoxification, cardiovascular, neurological — mapped simultaneously
Combinations
No two clients produce the same pattern — which is why protocol design must follow data, not assumptions
1
Clinical Picture
All findings integrated into one coherent clinical impression — the sum always greater than the parts
0
Guesses
Test, Don't Guess — every recommendation traceable to a specific finding or pattern in the data
Find Your Pattern

Ready to See the Full Picture?

A free 30-minute discovery call is where it starts. We look at your history, what the data might show, and whether the TDG Five-Test approach is right for where you are.

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