Functional Medicine Tests for Autism in London
At Zen Healthcare, we offer all 6 essential functional medicine tests to uncover root-cause imbalances underlying autism — from gut health and micronutrients to heavy metals, mycotoxins, and methylation pathways. Every child deserves a personalised roadmap to healing.
A Functional Medicine Approach to Autism
In functional medicine, autism is viewed through a systemic lens — focusing on the body’s overall ability to function, detoxify, and maintain balance. Rather than managing symptoms in isolation, our approach seeks to identify and address root-cause imbalances in gut health, nutrition, and environmental toxicity.
By utilising specific functional testing, we create a personalised roadmap to optimise cellular health and improve quality of life for children on the spectrum. At Zen Healthcare, we offer all 6 key functional medicine tests for autism, conducted by experienced clinicians across our four London clinics.
Our “start low, go slow” philosophy ensures every intervention is gentle, evidence-informed, and adapted to each child’s unique biochemistry. Visit our treatments page or book a consultation to begin.
Understanding Functional Medicine & Autism
Hear from our clinical experts on how root-cause functional testing transforms outcomes for children on the spectrum — and why Zen Healthcare is London’s leading destination for this specialised care.
The 6 Essential Functional Medicine Tests for Autism
Zen Healthcare London performs all six of these specialised tests, providing a comprehensive picture of your child’s internal health and a personalised intervention strategy.
Comprehensive Microbiome & Gut Health Testing
The gut-brain axis is central to autism. We assess dysbiosis, leaky gut, Clostridia overgrowth, and Bifidobacter deficiency — all of which can drive neuroinflammation via the vagus nerve, worsening agitation, focus, and sleep.
Micronutrient & Organic Acid Testing (OAT)
Mitochondria require precise fuel. This test identifies deficiencies in B-vitamins, CoQ10, and carnitine that impair brain energy, and detects elevated oxalates — known to worsen autistic symptoms.
Environmental Toxins & Pesticides Screening
Many children on the spectrum are poor detoxifiers. We screen for glyphosate, BPA, and phthalates found in cosmetics, food packaging, and furniture — reducing toxic burden to stabilise the child’s system.
Heavy Metal Assessment
Mercury, lead, arsenic, and aluminium are linked to worsening autism symptoms. Using a provoked urine test with a gentle glutathione agent, we identify these metals and begin a slow, safe removal protocol.
Mycotoxin (Mould) Exposure Testing
Hidden mould in homes or schools produces neurotoxic mycotoxins. Research shows these toxins can pass from mother to child during pregnancy. We identify and address mould toxins to protect the developing brain.
Methylation & The FRAT Test
The FRAT detects antibodies preventing folate from reaching the brain — Cerebral Folate Deficiency (CFD). Treatment with folinic acid has shown remarkable results, including helping non-verbal children recover speech.
Comprehensive Microbiome & Gut Health Testing
The gut-brain axis sits at the centre of our approach. Dysbiosis — an imbalance between harmful and protective bacteria — is found in the majority of children on the spectrum. Chronic inflammation originating in the gut travels via the vagus nerve to the brain, triggering neuroinflammation that manifests as agitation, poor focus, and disrupted sleep.
- Leaky gut (intestinal permeability) marker assessment
- Clostridia overgrowth and Bifidobacter deficiency detection
- Inflammatory markers and immune dysregulation screening
- Vagus nerve and gut-brain communication review
Micronutrient & Organic Acid Testing (OAT)
Mitochondria — the cell’s energy powerhouses — require precise nutritional fuel. Children with autism frequently present with critical deficiencies in B-vitamins, CoQ10, and carnitine that directly impair energy production in brain and gut cells. The Organic Acid Test (OAT) also identifies elevated oxalates, a key driver of symptom severity.
- B-vitamin, CoQ10, and carnitine deficiency identification
- Elevated oxalate detection — known autism symptom driver
- Mitochondrial energy production markers
- Personalised supplementation protocol from results
Environmental Toxins & Pesticides Screening
Many children on the spectrum are poor detoxifiers, making them more vulnerable to modern chemical exposure. We investigate common toxins such as glyphosate, BPA, and phthalates found in food packaging, household products, and cosmetics, then build a targeted strategy to reduce toxic burden.
- Glyphosate, BPA, and phthalate toxicant screening
- Assessment of detoxification pathway stress
- Source tracing from food, cosmetics, and household environments
- Stepwise toxin-reduction protocol for safer detox support
Heavy Metal Assessment & Detoxification
Heavy metals such as mercury, lead, arsenic, and aluminium are consistently linked to the worsening of autism symptoms. These can enter the system through drinking water, non-organic food, or even older paint. At Zen Healthcare, we use provoked urine testing with a gentle glutathione agent to accurately identify metals present, then formulate a safe, gradual removal protocol.
- Provoked urine testing with glutathione mobilisation
- Mercury, lead, arsenic, aluminium, and cadmium screening
- Slow, safe chelation and detox pathway optimisation
- Environmental source identification guidance
Mycotoxin (Mould) Exposure Testing
Hidden mould exposure can be a major trigger of persistent neuroinflammation in children with autism. We test for mycotoxins from home and school environments, identify the exposure source, and guide practical remediation and detox support to protect neurological development.
- Urinary mycotoxin profile for common mould toxins
- Neuroinflammatory burden assessment linked to exposure
- Environmental remediation guidance for home and school
- Targeted protocol to reduce mycotoxin load safely
Methylation Pathways & The FRAT Test
The Folate Receptor Antibody Test (FRAT) is one of the most significant recent breakthroughs in autism functional medicine. It detects antibodies blocking folate from entering the brain — a condition called Cerebral Folate Deficiency (CFD). Treatment with folinic acid (leucovorin) has delivered remarkable outcomes, including documented cases of non-verbal children recovering speech.
- FRAT — detects anti-folate receptor antibodies
- Cerebral Folate Deficiency (CFD) diagnosis
- MTHFR and COMT genetic variant profiling
- Folinic acid / leucovorin treatment protocol
London’s Functional Medicine Experts for Autism
All 6 Tests Under One Roof
Unlike many clinics, Zen Healthcare offers the complete suite of six functional medicine autism tests, eliminating the need for multiple referrals across different providers.
Evidence-Based Functional Medicine
Our clinicians combine the latest functional medicine research with clinical experience to deliver personalised, evidence-informed interventions for every child.
“Start Low, Go Slow” Philosophy
Every intervention is carefully calibrated. Our gentle, stepwise approach minimises adverse reactions and respects the sensitivity of each child’s unique system.
Family-Centred Approach
We work closely with families throughout — from initial testing to results interpretation and ongoing treatment support — ensuring clarity at every stage.
4 Convenient London Locations
With clinics in Knightsbridge, Baker Street, Holborn, and Hampstead, expert functional medicine care for your child is always within reach.
Open 7 Days a Week
All four of our clinics are open seven days a week with extended evening hours — because families need flexibility when it matters most.
Your Journey to Root-Cause Healing
Initial Consultation
A comprehensive review of your child’s history, symptoms, and wellness goals with our functional medicine doctor.
Functional Testing
We carry out the relevant tests from our panel of 6 — tailored to your child’s presentation and conducted comfortably at our clinic.
Results & Interpretation
Your clinician reviews all results with you in detail, translating complex data into a clear, actionable picture of your child’s health.
Personalised Protocol
A bespoke “start low, go slow” intervention plan combining dietary, nutritional, and detoxification strategies tailored to your child.
Begin Your Child’s Healing Journey
Speak with one of our functional medicine specialists today. We’ll guide you through the right combination of tests and create a personalised path to improved wellbeing for your child.
- All 6 Tests Available
- Expert Clinical Team
- 4 London Clinics
- Open 7 Days a Week
Cryotherapy
