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Complex trauma generally refers to repeated or prolonged interpersonal trauma, often beginning in childhood and often involving caregivers — though the construct extends to any pattern of repeated, inescapable threat. Distinct from single-incident PTSD, complex trauma reshapes development itself: the nervous system organizes around chronic threat, the stress axis recalibrates, and the gut-brain-immune triangle sustains a state of inflammation and activation that becomes the baseline. Decades later, that baseline shapes nearly every aspect of physical and mental health.
The Adverse Childhood Experiences (ACEs) research has made this measurable at the population level: higher ACE scores correlate with strongly elevated risk for autoimmune disease, cardiovascular disease, mental health conditions, and shortened lifespan. The biology of childhood adversity does not stay in the past.
Trauma-focused therapy — EMDR, somatic experiencing, internal family systems, prolonged exposure — works on real systems, and is foundational. But the biology that complex trauma created doesn’t fully unwind through cognitive and somatic work alone. The HPA axis dysregulation, the gut-microbiome alterations, the chronic inflammation, the nutrient depletion from years of stress activation — these are physical states that require physical interventions alongside the psychological work.
When the biology stays activated, the body keeps signaling threat. The brain keeps interpreting those signals. And the symptoms — emotional, cognitive, somatic — keep being generated, even after the original threat is decades past.
The biological imprint most consistently observed in complex trauma populations:
Often a paradoxical pattern — chronically low cortisol output despite high stress reactivity, dysregulated diurnal rhythm, suppressed DHEA. DUTCH testing maps the full pattern.
The autonomic nervous system organized around threat doesn't easily reorganize without targeted intervention.
Trauma-exposed populations show distinct microbiome signatures. The gut becomes part of the symptom picture — IBS, food sensitivities, bloating, motility issues.
Elevated CRP, IL-6, TNF-α, and other markers contribute directly to the mood, cognitive, and somatic symptoms of complex trauma.
Decades of stress activation deplete cellular energy systems. Chronic fatigue is often a manifestation.
The mechanistic link between early adversity and autoimmune disease is now well-established.
Chronic stress shifts hormonal pathways for years. Premenstrual exacerbation, perimenopausal volatility, low testosterone in men, all show patterns linked to stress history.
Magnesium, B vitamins, vitamin D, omega-3 EPA, zinc — often profoundly depleted in chronic stress states.
Cortisol patterns, melatonin production, and REM disruption all measurable and addressable.
Some research suggests altered endocannabinoid signaling in trauma populations, with implications for treatment.
For complex trauma, DUTCH Plus is often the highest-yield single test — it maps the cortisol pattern, DHEA, sex hormones, and the metabolite ratios that reveal what the stress system is actually doing. The GI Effects panel reveals microbiome shifts and gut inflammation. KBMO FIT 176 with Gut Barrier Panel reveals the food sensitivities and intestinal permeability that chronic trauma states commonly produce. Blood panels show inflammation, thyroid, and nutrient status. NutrEval shows mitochondrial function via organic acids.
If you’ve already done DUTCH or HRV-based testing, we integrate it. Bring everything.
Phase one focuses on the foundational stabilization — HPA axis, gut barrier, acute nutrient repletion, sleep, vagal tone interventions. Phase two addresses what remains — mitochondrial recovery, hormonal rebalancing, longer-term inflammation, and any specific autoimmune or chronic illness pieces that emerged. Throughout, you’re working with your trauma therapist on the psychological and somatic side. Our work is parallel — coordinated, complementary, biological.
For people considering or actively engaged in psychedelic-assisted therapy (ketamine in clinical settings, MDMA-assisted therapy in approved programs), the biological foundation matters profoundly. We offer prep and integration support — see psychedelic integration for more.
You’re not stopping the therapy. You’re giving your body the foundation that lets the therapy actually land — and lets the changes hold.
Program structure: main services page
This work fits people with complex trauma history who have established trauma therapy in place and who suspect the biology is still carrying load. It fits people whose somatic, mood, or chronic illness symptoms feel disproportionate to anything happening in their current life. It fits people who have done years of psychological work and want to address the physical residue. This requires a sustained commitment and willingness to engage with comprehensive testing. We coordinate with your therapist and prescribers — coordinated, parallel care.