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Research Database

A growing body of evidence is establishing the connection between underlying metabolic function and cognition, perception, mood and behavior. Explore our curated database of published papers at the intersection of metabolism and psychiatric illness.

Clinical Trials

Publications about research trials in humans that share observations or the outcomes of an intervention

Case Series

Detailed accounts of individual or group experiences and outcomes with a particular intervention or condition.

Protocols

Papers outlining the design and methodology of a planned, completed, or ongoing clinical trial.

Reviews

Articles that synthesize findings from multiple studies to highlight the current understanding of a topic.

Pre-clinical

Early stage research that tests potential treatments in the lab to assess safety and effectiveness before they move to human trials.

Analysis

Research papers that examine data to draw conclusions or uncover patterns, relationships, or new insights.

Type Authors Diagnosis Title & Summary
Analysis Laurent N Bipolar Disorder Cognitive Behavioral Therapy for Bipolar Disorder: Patient-Level Participation Barriers and Ketogenic Metabolic Therapy as a Candidate Adjunct

This conceptual analysis discusses ketogenic metabolic therapies as an adjunct to bipolar disorder treatment guidelines using cognitive behavior therapy to improve patient outcomes.

Reviews Neiling K et al. Depression, Anxiety The Ketogenic Diet for Depression and Anxiety: Implications for Practice

This review suggests low-carbohydrate and ketogenic diets show clinical potential for reducing depressive and anxiety symptoms as adjunctive therapies for treatment-resistant mental health conditions.

Reviews Campbell IH et al. Bipolar Disorder Metabolic Plasticity: An Evolutionary Perspective on Metabolic and Circadian Dysregulation in Bipolar Disorder

This perspective review examines bipolar disorder through a metabolic lens. It highlights how nutrition, seasonal light, and metabolic shifts may contribute to symptom instability.

Case Series Palmer CM General Mental Health Emergence of Hypomania and Mania Following Initiation of a Ketogenic Diet: Case Series

This case series describes nine participants experiencing mood changes after starting ketogenic therapy. Patients and doctors should be aware of risks and strategies to manage symptoms.

Reviews Sethi S et al. General Mental Health Metabolic Psychiatry Targeting Metabolic Dysregulation in Mental Health

A review of growing evidence connecting metabolic dysfunction to mental health outcomes across psychiatric disorders. This review ranks metabolic interventions by evidence strength and clinical recommendation.

Analysis Laurent N Schizophrenia Ketogenic Metabolic Therapy as a Candidate Adjunct for CBTp Delivery in Schizophrenia Spectrum Disorders

This conceptual analysis proposes ketogenic metabolic therapy as an adjunct approach in psychosis and develops a care pathway model to reduce barriers to cognitive behavioral therapy in schizophrenia…

Pre-clinical Kraeuter A, Sarnyai Z Schizophrenia Ketogenic Diet-Derived Faecal Microbiota Transplantation Improved Sensorimotor Gating Deficit in an Acute NMDA-Receptor Antagonist Model of Schizophrenia in Mice

Fecal transplants from ketogenic diet-fed mice into a validated schizophrenia mouse model improved behavioral deficits. This suggests gut microbiome changes may help drive the ketogenic diet’s beneficial effects.

Reviews Bellamy EL Depression, Anxiety A Retrospective Evaluation of an Online Group Ketogenic Metabolic Therapy Intervention on Mental Health Outcomes

This retrospective study found a 12-week remote ketogenic metabolic therapy program feasible and associated with reduced depression and anxiety symptoms in adults with varying mental health conditions.

Protocols Ede G et al. Major Depressive Disorder, Bipolar Disorder, and Schizophrenia Awareness and Best Practices in Using Ketogenic Therapy to Treat Serious Mental Illness: A Modified Delphi Consensus

Mental health experts developed consensus recommendations for safely using ketogenic metabolic therapy in adults with major depressive disorder, bipolar disorder, and schizophrenia.

Case Series Laurent N PTSD Ketogenic Metabolic Therapy for Treatment-Resistant Post-Traumatic Stress Disorder (PTSD): A Retrospective Case Report

A case report found that a 45-year-old with treatment-resistant PTSD had reductions in PTSD, depression, and anxiety symptoms after 25 weeks on a ketogenic diet.

Clinical Trials Gao M et al. Treatment-resistant depression (TRD) A Ketogenic Diet for Treatment-Resistant Depression A Randomized Clinical Trial

In a 6-week randomized trial, adults with treatment-resistant depression had modest depressive symptom improvements on the ketogenic diet.

Reviews Ali DN et al. Bipolar Disorder Clinical Insights Into the Mechanistic Crossroads of Lamotrigine and Therapeutic Ketosis in Bipolar Depression Medically Supervised Ketogenic Diet as an Adjunctive Treatment for Moderate to Severe Depression: A Pilot Study

Lamotrigine treats both epilepsy and bipolar disorder via shared neurobiology. This review explores whether therapeutic ketosis may synergistically enhance mood stabilization and metabolic health.

Clinical Trials Brietzke E et al. Major Depressive Disorder, Bipolar Depression Medically Supervised Ketogenic Diet as an Adjunctive Treatment for Moderate to Severe Depression: A Pilot Study

In a virtual 14-week pilot, participants maintained nutritional ketosis with high retention and tolerability, alongside significant reductions in depression, anxiety, and anhedonia.

Case Series Murray SL et al. Schizophrenia Case Report: Metabolic, Inflammatory, and Neurological Improvements After a Ketogenic Diet in a Woman With Treatment-Resistant Schizophrenia and Metabolic Syndrome

This case report describes a 48-year-old woman with treatment-resistant schizophrenia and metabolic syndrome who completed a 5-week inpatient medical ketogenic diet. She showed notable reductions in insulin resistance…

Reviews Hung AA et al. Schizophrenia The Ketogenic Diet: An Anti-Inflammatory Treatment for Schizophrenia?

This review describes preclinical and clinical work that suggests ketogenic therapy may improve schizophrenia symptoms by modulating inflammation, cellular metabolism, and epigenetics. Current evidence is preliminary and requires…

Case Series Schreel L et al. Bipolar Disorder Case Series: Effects of a Ketogenic Diet on Cardiometabolic Health in Seven Outpatients with Bipolar Disorder

This case series followed seven individuals with bipolar disorder over three months of ketogenic metabolic therapy, assessing psychiatric, cardiometabolic, and patient-reported outcomes. Participants showed improved mood symptoms alongside…

Reviews Janssen-Aguilar R et al. Depression, Anxiety Ketogenic Diets and Depression and Anxiety

This review and meta-analysis of 50 studies found that ketogenic diets modestly improved depressive symptoms, particularly when ketone levels are monitored, but there is inconclusive evidence for anxiety.

Reviews Micali N et al. Anorexia Nervosa Providing Alternative Fuel for the Brain in Anorexia Nervosa: A Review of the Literature on Ketones and Their Effects on Metabolism and the Brain

This review discusses genetic and metabolic factors that contribute to Anorexia nervosa and focuses on the effect of ketones, related molecules, and nutritional therapies e.g. the ketogenic diet…

Clinical Trials Decker DD et al. Major Depressive Disorder A Pilot Study Examining a Ketogenic Diet as an Adjunct Therapy in College Students With Major Depressive Disorder

A pilot study of college students found a ketogenic diet was feasible alongside standard care and associated with ~70% depression symptom reduction, improved well-being and cognition, and weight…

Case Series Newiss M Schizophrenia Remission of Schizophrenia Using a Carnivore Ketogenic Metabolic Therapy With Nutritional Therapy Practitioner Support

A retrospective case report describes an individual with schizophrenia who achieved remission and successfully tapered off all psychiatric medications after maintaining steady nutritional ketosis on a carnivore ketogenic…

Reviews Fante C et al. General Health The Role of β-Hydroxybutyrate Testing in Ketogenic Metabolic Therapies

A literature review evaluating the validity of quantifying ketone blood levels via β-hydroxybutyrate (BHB) testing as a measure of nutritional ketosis for research and clinical practice. Clinical trials…

Pre-clinical Gumus H et al. Depression, Anxiety A Combination of Ketogenic Diet and Voluntary Exercise Ameliorates Anxiety and Depression-Like Behaviors in BALB/c Mice

This pre-clinical study found that combining a ketogenic diet with regular voluntary exercise significantly reduced anxiety and depression-like behaviors in an animal model.

Pre-clinical Shamshoum H et al. Schizophrenia Fasting or the Short-Term Consumption of a Ketogenic Diet Protects Against Antipsychotic-Induced Hyperglycaemia in Mice

This pre-clinical study found that fasting or a short-term ketogenic diet can prevent rapid increases in blood glucose typically seen with antipsychotic medications.

Pre-clinical Kraeuter AK et al. Schizophrenia Effects of Beta-Hydroxybutyrate Administration on MK-801-Induced Schizophrenia-Like Behaviour in Mice

This pre-clinical study hypothesizes that chronic administration of BHB (beta-hydroxybutyrate) replicates the therapeutic effects of ketogenic diet for schizophrenia in mice.

Pre-clinical Kraeuter AK et al. Schizophrenia Ketogenic Diet Prevents Impaired Prepulse Inhibition of Startle in an Acute NMDA Receptor Hypofunction Model of Schizophrenia

Researchers at James Cook University suggest that metabolically-based intervention, shown through animal models, might have therapeutic value in the management of schizophrenia.

Pre-clinical Kraeuter AK et al. Schizophrenia Ketogenic Diet Reverses Behavioral Abnormalities in an Acute NMDA Receptor Hypofunction Model of Schizophrenia

A pre-clinical study that investigated whether a ketogenic diet could reverse schizophrenia-like behavioral changes in mice caused by acute NMDA receptor hypofunction—a common experimental model for schizophrenia.

Pre-clinical Dong Y et al. Anorexia Nervosa Ketogenic Food Ameliorates Activity-Based Anorexia of Adult Female Mice

This pre-clinical study focuses on the ketogenic diet reducing the severity on an Anorexia Nervosa relapse through the reduction of compulsive exercise.

Pre-clinical Sarnyai Z et al. Schizophrenia Modeling Combined Schizophrenia-Related Behavioral and Metabolic Phenotypes in Rodents

This pre-clinical study focuses on selected genetic, early neurodevelopmental and pharmacological animal models that capture the combined behavioral and metabolic abnormalities shown by schizophrenic patients.

Analysis Campbell IH, Campbell H Bipolar Disorder Ketosis and Bipolar Disorder: Controlled Analytic Study of Online Reports

This analysis paper aims to investigate associations between a ketogenic diet and mood stabilization among individuals with bipolar disorder.

Reviews Frank GKW, Scolnick B Anorexia Nervosa Therapeutic Ketogenic Diet as Treatment for Anorexia Nervosa

This review paper describes a neurological model for why ketogenic therapy could address key alterations in anorexia nervosa and prevent the desire for weight loss.

Reviews Norwitz NG et al. General Mental Health Ketogenic Diet as a Metabolic Treatment for Mental Illness

This review paper aims to explain how ketogenic diets can improve mental illness biopathology and review the recent clinical literature.

Reviews Freyberg Z et al. Bipolar Disorder Linking Mitochondrial Dysfunction, Neurotransmitter, and Neural Network Abnormalities and Mania: Elucidating Neurobiological Mechanisms of the Therapeutic Effect of the Ketogenic Diet in Bipolar Disorder

This review paper describes recent findings, highlighting 2 types of neurobiological abnormalities in BD: 1) mitochondrial dysfunction and 2) neurotransmitter and neural network functional abnormalities.

Protocols Kraeuter AK et al. General Health Protocol for the Use of the Ketogenic Diet in Preclinical and Clinical Practice

This protocol paper reviews the commonly used best practices involved in applications of the ketogenic diet to facilitate its translation into clinical use.

Protocols Dielemans DAM et al. Schizophrenia, Bipolar Disorder The Effect of Exogenous Ketones on Signs and Symptoms of Schizophrenia Spectrum and Bipolar Disorders: Study Protocol for a Triple-Blind, Randomized, Controlled Crossover Pilot Study

This ongoing triple-blind, randomized controlled crossover trial investigates the effects of a single ingestion of KE (ketone esters) on signs and symptoms of schizophrenia spectrum disorders (SSDs) and…

Protocols Bohnen JL et al. Bipolar Disorder Ketogenic-Mimicking Diet as a Therapeutic Modality for Bipolar Disorder: Biomechanistic Rationale and Protocol for a Pilot Clinical Trial

This pilot clinical trial protocol aims to investigate the effect of a ‘ketogenic-mimicking diet’ on neural network stability, mood, and biomarker outcomes in the setting of bipolar disorder.

Case Series Bellamy EL, Laurent N PTSD, ADHD, Binge-Eating Disorder Transdiagnostic Remission of Psychiatric Comorbidity in Post-Traumatic Stress Disorder, ADHD, and Binge-Eating Disorder Using Ketogenic Metabolic Therapy: A Retrospective Case Report

A case series on a 38 years-old female participating in a structured 8 weeks KMT psychoeducation program to put PTSD, ADHD, BED, and more into remission.

Case Series Laurent N, Tague K OCD Remission of Obsessive-Compulsive Disorder Using Ketogenic Metabolic Therapy in Support of Exposure and Response Prevention: A Retrospective Case Report

This case study explores the adjunctive use of ketogenic metabolic therapy (KMT) in conjunction with ERP for a 26-year-old man with treatment-resistant OCD over 12 weeks.

Case Series Laurent N et al. Depression Ketogenic Metabolic Therapy in the Remission of Chronic Major Depressive Disorder: A Retrospective Case Study

This case study examines a 47-year-old woman with lifelong treatment-resistant MDD who achieved complete remission and improved functioning through a ketogenic diet.

Case Series Scolnick B et al. Anorexia Nervosa Remission from Chronic Anorexia Nervosa With Ketogenic Diet and Ketamine: Case Report

A case series of a 29 year-old woman who struggled with severe anorexia who experienced a complete recovery following a ketogenic diet and ketamine infusions.

Case Series Palmer CM et al. Schizophrenia The Ketogenic Diet and Remission of Psychotic Symptoms in Schizophrenia: Two Case Studies

A case series of two patients with schizophrenia who achieve full remission of psychotic symptoms after following a ketogenic diet.

Case Series Palmer CM Schizoaffective Disorder Ketogenic Diet in the Treatment of Schizoaffective Disorder: Two Case Studies

A case series looking at glucose intolerance and insulin resistance, and how the ketogenic diet can help people with schizoaffective disorder.

Clinical Trials Wiers CE et al. Alcohol Use Disorder (AUD) Ketogenic Diet Reduces a Neurobiological Craving Signature in Inpatients With Alcohol Use Disorder

A clinical trial paper demonstrating the use of ketogenic diet intervention to reduce alcohol withdrawal severity and alcohol cravings.

Clinical Trials Campbell IH et al. Bipolar Disorder A Pilot Study of a Ketogenic Diet in Bipolar Disorder: Clinical, Metabolic and Magnetic Resonance Spectroscopy Findings

A pilot study aiming to assess the impact of a ketogenic diet in bipolar disorder on clinical, metabolic and magnetic resonance spectroscopy outcomes.

Clinical Trials Rigby BP et al. Bipolar Disorder Pilot Study of a Ketogenic Diet in Bipolar Disorder: A Process Evaluation

A process evaluation providing insights into the experiences of people living with bipolar disorder initiating and following a ketogenic diet.

Reviews Andreazza AC et al. Mental Health Disorders Brain and Body Energy Metabolism and Potential for Treatment of Psychiatric Disorders

A review that highlights how brain function relies heavily on energy metabolism and that disruptions in this process are common in neuropsychiatric disorders.

Reviews Ede G et al. Mental Health Disorders Editorial: Ketogenic Metabolic Therapy as a Treatment for Mental Health Disorders

A collection of research exploring the potential of ketogenic metabolic therapy as a novel, low-risk intervention for a wide range of neuropsychiatric conditions.

Case Series MacDonald AJ, Palmer CM OCD Ketogenic Diet as a Therapeutic Intervention for Obsessive-Compulsive Disorder: A Case Series of Three Patients

A case series of three individuals with obsessive-compulsive disorder (OCD) who achieve medication-free remission and a 90.5% reduction in symptoms after adopting a ketogenic diet.

Case Series Calabrese L OCD Remission of OCD and Ulcerative Colitis With A Ketogenic Diet: Case Report

A case study describing the first clinical application of a ketogenic diet in adult OCD with ulcerative colitis (UC) resulting in complete remission of OCD, clinical remission of UC, and improved metabolic health.

Case Series Laurent N et al. Schizoaffective Disorder Ketogenic Metabolic Therapy For Schizoaffective Disorder: A Retrospective Case Series of Psychotic Symptom Remission and Mood Recovery

A case series of two individuals who experienced full remission of psychotic and mood symptoms after implementing ketogenic metabolic therapy.

Reviews Schrickel A et al. Autism Exploring the Potential of the Ketogenic Diet in Autism Spectrum Disorder: Metabolic, Genetic, and Therapeutic Insights

A ketogenic diet may benefit individuals with autism spectrum disorder by addressing underlying metabolic and neuroprotective mechanisms.

Protocols Longhitano C et al. Schizophrenia, Bipolar Disorder The Effects of Ketogenic Metabolic Therapy on Mental Health and Metabolic Outcomes in Schizophrenia and Bipolar Disorder: A Randomized Controlled Clinical Trial Protocol

A clinical trial protocol to investigate whether a ketogenic diet can reduce psychiatric and metabolic symptoms in individuals with bipolar disorder, schizophrenia, and schizoaffective disorder by comparing it…

Case Series Laurent N Bipolar Disorder Retrospective Case Study: Ketogenic Metabolic Therapy in the Effective Management of Treatment-Resistant Depressive Symptoms in Bipolar Disorder

A case study about how ketogenic therapy improved treatment-resistant depressive symptoms in a patient with bipolar disorder, leading to a stabilized mood, enhanced quality of life, and reduced medication…

Analysis Sahay S et al. General Mental Health Metabolic Insights into Neuropsychiatric Illnesses and Ketogenic Therapies: A Transcriptomic View

Disruptions in metabolic pathways are linked to serious mental illness and suggest that ketogenic interventions may help restore metabolic balance based on gene expression data analysis.

Analysis Bellamy EL et al. Depression Understanding the Experiences of Ketogenic Metabolic Therapy for People Living with Varying Levels of Depressive Symptoms: A Thematic Analysis

Analysis demonstrating that in lived experience accounts of ketogenic therapy for depressive symptoms, pros outweigh cons for participants.

Reviews Ozan E et al. Bipolar Disorder, Schizophrenia, Depression The Ketogenic Diet as a Treatment for Mood Disorders

Review of evidence about how ketogenic diets may improve mood disorders by targeting metabolic dysfunctions, including mitochondrial issues, inflammation, oxidative stress, and insulin resistance, as explored in recent…

Clinical Trials Sethi S et al. Bipolar Disorder, Schizophrenia Ketogenic Diet Intervention on Metabolic and Psychiatric Health in Bipolar and Schizophrenia: A Pilot Trial

A 4-month clinical trial at Stanford of ketogenic diet for serious mental illness showed promising preliminary results indicating remission of bipolar disorder and schizophrenia in participants who adhered…

Case Series Calabrese L et al. Depression Complete Remission of Depression and Anxiety Using a Ketogenic Diet: Case Series

A case series of three adults who achieve complete remission of major depression and generalized anxiety disorder with a ketogenic dietary intervention.

Clinical Trials Smith DJ et al. Bipolar Disorder Pilot Study of A Ketogenic Diet in Bipolar Disorder

A clinical trial paper demonstrating the safety and efficacy of using ketogenic therapy in bipolar disorder.

Analysis Watson K et al. Depression Toward a Precision Treatment Approach for Metabolic Depression: Integrating Epidemiology, Neuroscience, and Psychiatry

This study looked at people with both type 2 diabetes and depression, finding that standard treatments might not work as well for them. It tested whether adding a…

Case Series Norwitz NG et al. Anorexia Nervosa Animal-Based Ketogenic Diet Puts Severe Anorexia Nervosa into Multi-Year Remission: A Case Series

Researchers at Harvard published this case series suggesting a ketogenic diet may be useful for some patients with anorexia nervosa.

Reviews Sethi S, Ford JM Schizophrenia The Role of Ketogenic Metabolic Therapy on the Brain in Serious Mental Illness: A Review

Drs. Shebani Sethi and Judy Ford call for more clinical trials to address the potential beneficial effects of the ketogenic diet in people with serious mental illness.

Clinical Trials Calabrese L et al. Anorexia Nervosa Modified Ketogenic Diet and Ketamine for Anorexia Nervosa

A small pilot trial demonstrated safety and efficacy for adults with chronic psychopathology and supports specific neurobiological mechanisms that can be normalized using therapeutic ketogenic diet and ketamine.

Case Series Danan A et al. Bipolar Disorder, Schizoaffective, Depression Ketogenic Diet for Refractory Mental Illness: A Retrospective Analysis of 31 Inpatients

Dr. Albert Danan showed that in a French cohort of treatment-resistant inpatients, all experienced weight loss and psychiatric symptom reduction, with nearly half no longer meeting criteria for…

Clinical Trials Calkin, et al. Bipolar Disorder Treating Insulin Resistance With Metformin as a Strategy to Improve Clinical Outcomes in Treatment-Resistant Bipolar Depression

Dr. Cynthia Calkin and colleagues demonstrate that improving insulin sensitivity in treatment-resistant bipolar depression led to remission after decades of illness.

Reviews Campbell IH, Campbell H Bipolar Disorder Mechanisms of Insulin Resistance, Mitochondrial Dysfunction and the Action of the Ketogenic Diet in Bipolar Disorder

Drs. Harry and Iain Campbell suggest that mitochondrial dysfunction in bipolar disorder likely stems from issues with the Pyruvate Dehydrogenase Complex (PDC), leading to reduced energy production (ATP)….

Reviews Sarnyai Z, Palmer CM Schizophrenia Ketogenic Therapy in Serious Mental Illness: Emerging Evidence

A commentary reviewing the emerging evidence supporting the use of nutritional ketosis as a treatment for serious mental illness.

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