METABOLIC PSYCHIATRY IN SAN DIEGO, CA

Mental Illness is often a Metabolic Problem.

Depression, anxiety, and treatment resistance are often driven by inflammation, metabolic dysfunction,
and nervous system imbalance—not a deficiency of willpower or the wrong antidepressant. Metabolic
psychiatry finds and fixes what’s actually going wrong.

THE REAL PROBLEM

You’re Not Failing Treatment. Treatment Is Failing You.

Most psychiatric treatment follows the same script: identify symptoms, match them to a diagnosis,
prescribe a medication. If it doesn’t work, try another medication. And another. And another.

But here’s what no one tells you: for many people, the problem was never a medication deficiency. The
problem is that something deeper is going wrong in the body—and it’s affecting the brain.

Research from Harvard psychiatrist Dr. Christopher Palmer and the emerging field of metabolic
psychiatry shows that mental illness is often rooted in metabolic dysfunction. That m

Chronic Inflammation

Systemic inflammation doesn’t just cause joint pain—it disrupts neurotransmitter production, impairs neuroplasticity, and keeps the brain in a state of distress. Many people diagnosed with “treatment- resistant depression” actually have undetected inflammatory processes.

Insulin Resistance & Blood Sugar Dysregulation

Your brain consumes 20% of your body’s energy. When cells can’t properly use glucose, a hallmark of insulin resistance - the brain starves even while the body has plenty of fuel. This metabolic mismatch mimics and worsens depression, brain fog, and fatigue.

Mitochondrial Dysfunction

Mitochondria are the energy factories of every cell. When they malfunction, the brain, which has more mitochondria per cell than almost any organ, suffers first. Anxiety, depression, fatigue, and cognitive decline can all stem from impaired cellular energy production.

Gut-Brain Axis Disruption

Over 90% of serotonin is produced in the gut. A disrupted microbiome, intestinal permeability (“leaky gut”), and chronic GI inflammation directly affect mood, anxiety, and cognitive function through the vagus nerve and immune signaling.

Hormonal Imbalance

Thyroid dysfunction, cortisol dysregulation, sex hormone imbalances, and vitamin D deficiency all profoundly impact brain function. These are routinely overlooked in standard psychiatric evaluations, yet they drive symptoms that look identical to depression and anxiety.

Sleep Architecture Disruption

Poor sleep doesn’t just make you tired, it impairs the brain’s ability to clear metabolic waste, consolidate memories, and regulate emotions. Chronic sleep disruption is both a cause and consequence of metabolic dysfunction in the brain.

If any of this sounds familiar, it’s not in your head. It’s in your biology. And once we identify
what’s actually driving your symptoms, we can build a treatment plan that works with your body—not
against it.

THE SCIENCE

A Harvard Psychiatrist’s Breakthrough: Mental Disorders Are Metabolic Disorders of the Brain

For decades, mainstream psychiatry has treated mental illness as a problem of brain chemistry—too
little serotonin, too much dopamine, a “chemical imbalance.” This theory led to a generation of
medications designed to adjust neurotransmitter levels.

But the chemical imbalance theory has been largely debunked. A landmark 2022 review published in
Molecular Psychiatry found no consistent evidence that depression is caused by low serotonin levels.
So what’s actually happening?

Dr. Christopher Palmer, a Harvard psychiatrist and author of Brain Energy, has proposed a unifying
theory: mental disorders are metabolic disorders of the brain. His research—built on decades of
neuroscience, clinical observation, and metabolic research—shows that when the brain’s metabolism is
disrupted, mental illness follows.

This means:

The Brain Uses 20% of Your Body’s Energy

Despite being only 2% of your body weight, the brain is the most metabolically demanding organ. When
cellular energy production falters—through mitochondrial dysfunction, insulin resistance, or nutrient
deficiencies—the brain is the first to suffer.

Inflammation Is a Metabolic Signal

Chronic low-grade inflammation disrupts how brain cells produce and use energy. It impairs
neuroplasticity, reduces BDNF (brain-derived neurotrophic factor), and creates an environment where
depression, anxiety, and cognitive decline thrive.

The Gut Manufactures Your Brain’s Chemistry

The enteric nervous system—your “second brain”—produces the majority of your serotonin and
communicates directly with your brain via the vagus nerve. Gut dysbiosis, food sensitivities, and
intestinal permeability directly impact mental health.

Metabolic Dysfunction Connects Mental and Physical Illness

The same metabolic processes that drive diabetes, heart disease, and obesity also drive depression,
anxiety, bipolar disorder, and PTSD. This isn’t a coincidence—it’s the same disease process
manifesting in different organ systems.

“Mental disorders are metabolic disorders of the brain. This theory integrates biological, psychological, and social factors and helps us understand the connections between mental health and physical health.”
Dr. Christopher Palmer, Harvard Medical School

At Seaside Ketamine, we’ve built our practice around this science. We don’t just treat symptoms—we
investigate the metabolic drivers behind them and address the root cause.

Metabolic Psychiatry: Treating the Cause, Not Just the Symptoms

Metabolic psychiatry is an evidence-based approach to mental health that investigates and addresses
the biological root causes of psychiatric symptoms. Rather than simply adjusting neurotransmitter levels
with medication, metabolic psychiatry asks a fundamentally different question:

“What is happening in the body that is causing the brain to malfunction?”

This approach recognizes that the brain is not separate from the body. It’s the most metabolically active organ you have—and when the body’s foundational systems are disrupted, mental health symptoms are often the first sign.

Traditional Approach
Metabolic Psychiatry Approach
Focuses on symptoms
Investigates root biological causes
Prescribes medication first
Tests and evaluates first, treats with precision
15-minute med check appointments
60–90 minute comprehensive evaluations
Diagnoses based on symptom checklists
Diagnoses informed by lab work, metabolic markers, and clinical history
Treats the brain as isolated
Treats the brain as part of an interconnected system
“Try this and see” approach
Data-driven, personalized treatment plans
Manages symptoms long-term
Aims for resolution and lasting improvement
Often ignores nutrition, sleep, hormones
Evaluates and optimizes all metabolic inputs

We Don’t Guess. We Test.

Through our partnership with Seaside Longevity, every metabolic psychiatry patient receives a
comprehensive functional medicine assessment. This isn’t a standard blood panel, it’s a deep
investigation into the biological systems that directly affect your mental health

What We Test: Fasting insulin, fasting glucose, HbA1c, HOMA-IR, lipid panel (advanced),
apolipoprotein B

Why It Matters: Insulin resistance affects up to 40% of adults and is strongly linked to depression,
cognitive decline, and treatment resistance. Many people are told their labs are “normal” when they’re
actually in a pre-diabetic state that’s starving their brain of energy

What We Test: hs-CRP, ESR, homocysteine, ferritin, fibrinogen, IL-6, TNF-alpha (when indicated)

Why It Matters: Chronic inflammation is one of the strongest predictors of treatment-resistant depression. It impairs neuroplasticity, reduces BDNF, and disrupts the production and metabolism ofneurotransmitters

What We Test: TSH, Free T3, Free T4, Reverse T3, thyroid antibodies (TPO, TgAb)

Why It Matters: Standard thyroid testing misses many cases of suboptimal thyroid function. Low T3, elevated Reverse T3, or Hashimoto’s antibodies can cause symptoms identical to depression, anxiety, and ADHD—even when TSH appears “normal.”

What We Test: Cortisol (4-point or DUTCH test), DHEA-S, testosterone (total and free), estradiol, progesterone, sex hormone-binding globulin (SHBG)

Why It Matters: Cortisol dysregulation from chronic stress directly impairs brain function. Sex hormone imbalances—common in both men and women—contribute to anxiety, depression, irritability, brain fog, and sleep disruption.

What We Test: Vitamin D (25-OH), B12, folate (and MTHFR when indicated), magnesium (RBC), zinc, omega-3 index, iron studies

Why It Matters: Key nutrients are essential cofactors in neurotransmitter production and mitochondrial function. Deficiencies in vitamin D, magnesium, B12, and omega-3s are extremely common and frequently overlooked in psychiatric care.

What We Test: Comprehensive stool analysis (GI-MAP or equivalent), zonulin, secretory IgA, calprotectin

Why It Matters: The gut produces over 90% of your serotonin and communicates directly with the brain through the vagus nerve. Dysbiosis, SIBO, candida overgrowth, and intestinal permeability (“leaky gut”) can drive anxiety, depression, and cognitive symptoms.

What We Test: MTHFR, COMT, MAO, pharmacogenomic testing (when indicated)

Why It Matters: Genetic variations affect how you metabolize medications, produce neurotransmitters, and process nutrients. This information helps us personalize your treatment plan with precision rather than trial and error.

What We Test: Heavy metals (mercury, lead, arsenic), mold exposure markers (mycotoxins), organic acids test (when indicated)

Why It Matters: Environmental toxins accumulate in the body and impair mitochondrial function, disrupt hormones, and trigger chronic inflammation—all of which directly impact brain health and mental well-being.

The Seaside Method: Four Phases of Real Transformation

Most clinics offer a single intervention. We offer a complete system. The Seaside Method combines
rapid neurochemical relief with deep biological investigation and sustainable lifestyle integration, so
you don’t just feel better for a few weeks. You build a foundation for lasting mental health.

1
Phase 1

Rapid Relief — Ketamine Therapy

When you’re in crisis—when depression has you pinned down, when anxiety is constant, when you can’t engage with life—you need relief first. Ketamine therapy provides rapid-acting neurochemical support, interrupting entrenched patterns of depression, anxiety, PTSD, and chronic pain. This isn’t the end of treatment. It’s the opening that makes deeper work possible.

Includes: IV/IM ketamine infusions or Spravato®, medically supervised, personalized dosing, in a calm oceanfront setting.

2
Phase 2

Root Cause Investigation — Metabolic Assessment

While ketamine creates space for healing, we investigate what’s driving your symptoms at the biological level. Through comprehensive lab work, functional medicine testing, and a thorough clinical history, we identify the metabolic dysfunctions that are contributing to your mental health challenges. This is where most clinics stop—and where we’re just getting started.

Includes: Complete metabolic panel, gut health analysis, hormonal assessment, inflammatory markers, nutrient status, genetic factors.

3
Phase 3

Rewire & Rebuild — Integration + Psychotherapy + Lifestyle Medicine

With biological drivers identified and acute symptoms stabilized, we help you rebuild from the foundation up. This phase integrates ketamine-assisted psychotherapy (KAP), brain retraining through The Gupta Program, Compassionate Inquiry work, nutritional optimization, sleep hygiene, movement protocols, stress management, and mindfulness practices. This is where real, lasting transformation happens.

Includes: KAP sessions, Gupta Program brain retraining, dietary protocols, sleep optimization, exercise programming, meditation, group sessions.

4
Phase 4

Resilience & Optimization — Long-Term Maintenance

Healing isn’t a destination—it’s a practice. In this phase, we help you build sustainable habits, reduce or eliminate medications when appropriate, track your progress through repeated testing, and develop a personal resilience plan that keeps you feeling well for the long term. You leave not just better, but equipped.

Includes: Progress tracking, medication taper support, ongoing lab monitoring, lifestyle coaching, community support.

Conditions Where Metabolic Psychiatry Makes the Biggest Difference

Metabolic psychiatry is especially powerful for conditions that haven’t responded to conventional
treatment because it addresses the biology that conventional treatment ignores.

Treatment-Resistant Depression

When multiple medications have failed, the problem is often not the medication—it’s that the underlying metabolic dysfunction was never addressed. Inflammation, insulin resistance, nutrient deficiencies, and hormonal imbalances can all perpetuate depression regardless of which SSRI you’re taking.

Anxiety Disorders & Panic

Chronic anxiety is frequently driven by nervous system dysregulation, blood sugar instability, gut-brain axis disruption, and elevated inflammatory markers. Addressing these root causes often produces more lasting relief than anxiolytics alone.

PTSD & Complex Trauma

Trauma doesn’t just live in the mind—it rewires the nervous system and disrupts metabolism. Metabolic psychiatry combined with ketamine therapy and trauma-informed psychotherapy addresses both the neurochemical and biological dimensions of trauma recovery.

Chronic Fatigue & Brain Fog

If you’re exhausted despite sleeping, struggling to concentrate, and can’t think clearly, the cause is almost certainly metabolic. Mitochondrial dysfunction, thyroid imbalance, nutrient deficiencies, and chronic inflammation are the most common drivers—and the most frequently missed.

Bipolar Depression

Dr. Palmer’s research has shown particular promise for bipolar disorder, where metabolic interventions—including ketogenic dietary approaches—have produced dramatic improvements in treatment-resistant cases.

OCD & Obsessive Thought Patterns

Emerging evidence links OCD symptoms to neuroinflammation, autoimmune processes, and gut-brain axis dysfunction. Addressing these biological factors can significantly reduce symptom severity alongside traditional therapeutic approaches.

Chronic Pain & Fibromyalgia

Pain and mental health share the same metabolic pathways. Chronic pain is driven by central sensitization, inflammation, and nervous system dysregulation—all of which respond to metabolic optimization alongside targeted treatments like ketamine.

Burnout, Adjustment Disorders & Life Transitions

Even when the “cause” seems purely situational, chronic stress depletes nutrients, dysregulates cortisol, disrupts sleep architecture, and impairs metabolic function. Restoring biological balance accelerates recovery from burnout and life crises.

When You Treat the Right Problem, the Results Speak for Themselves

“After years of getting nowhere with my regular doctor, I finally feel like someone is actually listening and figuring out what’s really going on. I have more energy, I’m sleeping better, and I’ve even lost 15 pounds without trying. This has been life-changing.”

“I’d been on four different antidepressants over ten years. No one ever checked my thyroid, my inflammation, my gut. Within weeks of starting the metabolic protocol, I felt clearer than I had in a decade.”

Best decision I’ve made. For years I’ve had a love/hate relationship with alcohol. After just one session, I stopped and haven’t craved it one bit. I completed the protocol and not only have I not drank for the past 7 weeks, I’m sleeping better and am a happier person, husband, and father.”

3500+
Ketamine Sessions Administered
90%+
Patient Satisfaction Rate
70%
Report Significant Improvement Within 6 Sessions
3
Integrated Practices Under One Roof
dr. gillin san diego

WHY I PRACTICE DIFFERENTLY

Dr. Scott Gillin, MD — Board-Certified Physician

After years practicing in traditional medical settings and helping hundreds of patients through ketamine
infusions, I kept seeing the same pattern: people weren’t failing treatment. They were being treated too
narrowly.

A patient would come in with severe depression. They’d been through multiple SSRIs, therapy, even TMS. But no one had ever checked their insulin levels, their thyroid antibodies, their inflammatory markers, their gut health, or their hormone status.

When we finally looked at the full picture, the answers were often hiding in plain sight: insulin resistance driving brain fog and fatigue. Hashimoto’s causing depression. Gut dysbiosis fueling anxiety. Vitamin D deficiency impairing neuroplasticity.

That’s why I created Seaside Ketamine—and why metabolic psychiatry is at the heart of everything we do. Ketamine opens the door. But understanding and addressing the metabolic drivers of your suffering is what keeps it open.

I’m also the founder of Seaside Longevity (comprehensive functional medicine) and RewindMD (skin and aesthetic medicine)—because I believe true healing requires treating the whole person, not just
one symptom at a time.

Frequently Asked Questions About Metabolic Psychiatry

A: Metabolic psychiatry is an evidence-based approach that investigates and treats the biological root causes of mental health symptoms—including inflammation, insulin resistance, hormonal imbalances, gut health issues, nutrient deficiencies, and mitochondrial dysfunction. Unlike traditional psychiatry,
which primarily manages symptoms with medication, metabolic psychiatry seeks to understand why your brain isn’t functioning optimally and addresses those underlying drivers directly.

A: This is not alternative medicine. Metabolic psychiatry is grounded in decades of peer-reviewed research from institutions including Harvard Medical School, McLean Hospital, and the National Institutes of Health. Dr. Christopher Palmer’s Brain Energy theory—which proposes that mental
disorders are metabolic disorders of the brain—has been endorsed by leading psychiatrists and neuroscientists and is supported by extensive clinical and epidemiological evidence. Every intervention we use is evidence-based.

A: No. While ketamine therapy is an excellent option for rapid relief—especially when you’re in acute distress—metabolic psychiatry can be pursued independently. Some patients begin with metabolic evaluation and lifestyle optimization, while others combine it with ketamine therapy for a more
comprehensive approach. We tailor the plan to your needs.

A: Through our partnership with Seaside Longevity, we offer comprehensive functional medicine testing including metabolic panels, inflammatory markers, complete thyroid function, hormonal assessments, nutrient status, gut health analysis, and genetic testing when appropriate. These aren’t standard
screening labs—they’re deep dives into the biological systems that affect brain function.
nutrient status, gut health analysis, and genetic testing when appropriate. These aren’t standard


screening labs—they’re deep dives into the biological systems that affect brain function.

A: Metabolic psychiatry consultations and most functional medicine lab work are typically cash-pay services. However, Spravato® (esketamine) may be covered by insurance for eligible patients. Our team can help you understand costs and explore options. Many patients find that identifying and
treating root causes saves significantly on long-term medication and therapy costs.

A: Results vary depending on your specific situation. Ketamine therapy can produce noticeable changes within days to weeks. Metabolic interventions—such as dietary changes, nutrient optimization, and hormonal support—typically show meaningful improvement within 4–12 weeks. Some patients
notice changes even sooner. We track your progress with objective measures including repeat lab testing.

A: If you’ve tried multiple medications, therapy, supplements, and lifestyle changes without lasting improvement, it’s very likely that the underlying biological drivers of your symptoms have never been properly identified. This is the most common scenario we see. When we find and address the actual
root cause—whether it’s insulin resistance, chronic inflammation, thyroid dysfunction, gut dysbiosis, or something else—patients who’ve struggled for years often experience meaningful improvement for the first time.

A: The Brain Energy theory, developed by Harvard psychiatrist Dr. Christopher Palmer, proposes that mental disorders are fundamentally metabolic disorders of the brain. This unifying framework explains why mental illness is connected to conditions like diabetes, obesity, heart disease, and Alzheimer’s— they share the same underlying metabolic dysfunction. The theory is supported by decades of neuroscience, clinical, and epidemiological research, and it opens the door to new treatment approaches that go beyond symptom management.

A: Absolutely. We believe in collaborative care and are happy to coordinate with your existing providers. Metabolic psychiatry doesn’t replace your current care—it enhances it by adding a biological dimension that most traditional psychiatric practices don’t address.

A: The first step is a free 15-minute consultation call. We’ll discuss your symptoms, history, and goals to determine if metabolic psychiatry is a good fit. If so, we’ll schedule a comprehensive evaluation and begin building your personalized treatment plan.

Your Brain Deserves Better Than Guesswork.

If you’ve been struggling with depression, anxiety, chronic fatigue, brain fog, trauma, or pain—and traditional treatments haven’t given you lasting relief—metabolic psychiatry might be the missing piece.

At Seaside Ketamine, we combine rapid-acting ketamine therapy with comprehensive metabolic investigation and personalized treatment plans designed to address the actual cause of your suffering.

Your first step is a free 15-minute call with our team. No pressure. Just honest guidance about whether this approach is right for you.