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    • Other Popular Lab Panels
      • Apolipoprotein B (Lipids)
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    • Common Lab Findings
      • Low Zinc Copper Ratio: Causes, Anxiety, ADHD and Dementia
      • Copper Overload
      • Low Ceruloplasmin & Free Copper
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      • Elevated Homocysteine
      • High Urine Pyrroles
      • Elevated SAH & Low SAM
      • High Basophils
      • View All Lab Findings
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      • Five Biotypes of Depression
      • – Undermethylation
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      • Free Copper Calculator
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      • – Toxic Overload
      • What is WalshDoc?
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      • Homocysteine and Methylation
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      • Five Epigenetic Biotypes of Undermethylation
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  • Consultations
    • Doctor Consultations
    • Free Walsh Protocol Pre-Consultation
    • 15-Minute Telemedicine Phone Consultation
    • Walsh Protocol Biotype Assessment
    • Walsh Protocol Biotype + Methylation Assessment
    • Follow-Up Assessment — Biotype Labs Review with Report
    • Follow-Up Consultation – Updated Assessment | Biotype Labs + Methylation Panel
    • Comprehensive Functional Medicine Second Opinion Assessment
    • FRAT + Consultation
  • Conditions
    • ADHD
    • Anxiety
    • Autism
    • Bipolar Disorder
    • Dementia
    • Dysautonomia
    • Histamine
    • Insomnia
    • Kidney Toxicity
    • Liver Toxicity
    • Mitochondrial Dysfunction
    • Oxidative Stress
    • OCD – Obsessive Compulsive Disorder
    • Schizophrenia
  • Medications
    • Choosing the Best Antidepressant
    • SSRIs Explained
    • SNRIs Explained
    • ADHD Medications
    • Mood Stabilizers
    • Antipsychotics Medications
    • Ozempic, Wegovy & Zepbound Risks
    • Statins
  • Labs
    • All Biotype Panels
      • Comprehensive Biotype Panel
      • Methylation Panel – Genova
      • Methylation Panel – Doctors Data
      • Copper Overload Biotype Panel
      • Hair Mineral and Toxic Elements
      • MTHFR plus C677T and A1298C
    • Biotype Single Tests
      • WB Histamine
      • Homocysteine
      • Plasma Zinc Test
      • Copper
      • Ceruloplasmin
      • Pyrroles, Urine
      • Vitamin D
      • CBC
      • Metabolic Panel
      • Hair and Toxic Elements
    • Epigenetic Panels
      • Acylcarnitines Profile
      • Core Mitochondria Panel
      • MycoTOX Profile: Mold
      • Gut-Metabolic Organic Acids
      • Toxic Metals & Antioxidant
      • Allergy & Immune
      • Intestinal Permeability + Celiac
      • Culture, PCR + Parasitology (CPP)
      • Organic Acids, 8-OHdG
      • Vitamins, Minerals, Antioxidant Status
      • Glucose, Lipids, Insulin
    • Epigenetic Individual Tests
      • 8-0HdG
      • Coenzyme Q10, Total
      • Creatine Kinase-MB
      • GDF-15 Blood Test
      • Glutathione Blood Test
      • Magnesium RBC Test
      • Manganese Blood Test
    • Other Popular Lab Panels
      • Apolipoprotein B (Lipids)
      • Bredesens Cognoscopy – Alzheimer’s
      • Cholesterol w basic lipids
      • Cortisol – Salivary
      • Female Hormone Panel
      • Folate Receptor Antibody (FRAT Test)
      • Hashimoto’s Thyroid Panel
      • Testosterone, Free/Total
    • Common Lab Findings
      • Low Zinc Copper Ratio: Causes, Anxiety, ADHD and Dementia
      • Copper Overload
      • Low Ceruloplasmin & Free Copper
      • High Histamine
      • Elevated Homocysteine
      • High Urine Pyrroles
      • Elevated SAH & Low SAM
      • High Basophils
      • View All Lab Findings
  • The Walsh Approach
    • For Patients
      • The Walsh Approach
      • Five Biotypes of Depression
      • – Undermethylation
      • – Overmethylation
      • – Copper Overload
      • Free Copper Calculator
      • – Pyroluria
      • – Toxic Overload
      • What is WalshDoc?
    • For Practitioners
      • Walsh Protocol Training & Education
      • Bring the Walsh Approach into Your Practice
      • Understanding the Methylation Test
      • Homocysteine and Methylation
      • SAH, Methylation, and Mood
      • Walsh Protocol Nonresponders
      • Five Epigenetic Biotypes of Undermethylation
    • Research
      • Second Opinion Articles Hub
      • What Causes Postpartum Depression?
      • Genetic Testing vs Epigenetic & Functional Testing
      • What Causes Undermethylation?
      • Why Folic Acid Can Worsen Depression
      • Walsh Research and Publications
      • Walsh Research Institute – William Walsh, PhD
      • Benefits of Saunas for Detoxification
  • Blog & Info
    • BLOG & ARTICLES
      • Blog Posts Overview
      • Genetics vs Epigenetics
      • Epigenetic Biotypes of Undermethylation
      • What Causes Undermethylation?
      • High Copper Symptoms
      • When Folates Cause Depression
      • Toxic Overload & Depression
      • Nutrition
      • Vaccine Injury & COVID Vax
    • GENERAL / ACCOUNT
      • About Us
      • Contact Us
      • My Account (Login/Orders)
      • Payment Information
      • Schedule An Appointment
      • Reschedule My Appointment
    • FREQUENTLY ASKED QUESTIONS
      • FAQs
    • SUPPLEMENTS
      • Undermethylation
      • Copper Overload
      • Overmethylation
      • Pyroluria
      • Toxic Overload
      • Homocysteine
      • Ceruloplasmin
  • Take the Test
    • AI Supported Medical Assessment
    • Take the Test
    • WalshDoc Biotype + Methylation Questionnaire
Dr Dave’s Blog
  • 09
    Nov
    Lower Cholesterol Without Statins No Comments on Lower Cholesterol Without Statins
  • 09
    Nov
    Statin Side Effects | CoQ10 and Mitochondria No Comments on Statin Side Effects | CoQ10 and Mitochondria
  • 08
    Nov
    Long COVID Treatment Protocol | Spike Detox & Vaccine Injury No Comments on Long COVID Treatment Protocol | Spike Detox & Vaccine Injury
  • 07
    Nov
    Ozempic, Wegovy & Zepbound Risks No Comments on Ozempic, Wegovy & Zepbound Risks
  • 07
    Nov
    Fats, Cholesterol, LDL & HDL: What Your Lipid Panel Misses No Comments on Fats, Cholesterol, LDL & HDL: What Your Lipid Panel Misses
  • 23
    Sep
    Keto Diet for Depression & Mental Health No Comments on Keto Diet for Depression & Mental Health
  • 23
    Sep
    Exogenous Ketones for Mitochondria & Inflammation 2 Comments on Exogenous Ketones for Mitochondria & Inflammation
  • 15
    Sep
    Vitamin D Therapy Interview Comments Off on Vitamin D Therapy Interview
  • 03
    Sep
    High Glutamate Foods: Complete List, Foods to Avoid Comments Off on High Glutamate Foods: Complete List, Foods to Avoid
  • 31
    Aug
    Ferritin Testing: Iron Toxicity and Oxidative Stress Comments Off on Ferritin Testing: Iron Toxicity and Oxidative Stress
Blog Tags
Alzheimer's Disease Anxiety Autism Ceruloplasmin Copper Overload Creatine Creatine Demand Dementia Depression Developmental Regression Dysautonomia Elevated SAH Epigenetics Five Epigenetic Biotypes Folate Folinic Acid Glutathione Gut Dysbiosis Gut Health Heavy Metals Histamine Histamine Intolerance Homocysteine Infections Inflammation Ketogenic Therapy Liver Detoxification Mast Cell Activation Mediterranean Diet Methylation Mitochondrial Dysfunction MTHFR Nutrient Deficiencies OCD Overmethylation Oxidative Stress Ozone Therapy SAM/SAH Ratio Sodium Bicarbonate Toxic Overload Undermethylation Vitamin D Walsh Approach William Walsh Zinc Deficiency
Five Biotypes of Depression
  • FAQs
  • Undermethylation
  • Overmethylation
  • Copper Overload
  • Pyroluria
  • Toxic Overload
  • Five Epigenetic Biotypes of Undermethylation
  • Take the Test!
Copyright 2026 © Second Opinion Physician, P.C.
  • ×
  • Consultations
    • Doctor Consultations
    • Free Walsh Protocol Pre-Consultation
    • 15-Minute Telemedicine Phone Consultation
    • Walsh Protocol Biotype Assessment
    • Walsh Protocol Biotype + Methylation Assessment
    • Follow-Up Assessment — Biotype Labs Review with Report
    • Follow-Up Consultation – Updated Assessment | Biotype Labs + Methylation Panel
    • Comprehensive Functional Medicine Second Opinion Assessment
    • FRAT + Consultation
  • Conditions
    • ADHD
    • Anxiety
    • Autism
    • Bipolar Disorder
    • Dementia
    • Dysautonomia
    • Histamine
    • Insomnia
    • Kidney Toxicity
    • Liver Toxicity
    • Mitochondrial Dysfunction
    • Oxidative Stress
    • OCD – Obsessive Compulsive Disorder
    • Schizophrenia
  • Medications
    • Choosing the Best Antidepressant
    • SSRIs Explained
    • SNRIs Explained
    • ADHD Medications
    • Mood Stabilizers
    • Antipsychotics Medications
    • Ozempic, Wegovy & Zepbound Risks
    • Statins
  • Labs
    • All Biotype Panels
      • Comprehensive Biotype Panel
      • Methylation Panel – Genova
      • Methylation Panel – Doctors Data
      • Copper Overload Biotype Panel
      • Hair Mineral and Toxic Elements
      • MTHFR plus C677T and A1298C
    • Biotype Single Tests
      • WB Histamine
      • Homocysteine
      • Plasma Zinc Test
      • Copper
      • Ceruloplasmin
      • Pyrroles, Urine
      • Vitamin D
      • CBC
      • Metabolic Panel
      • Hair and Toxic Elements
    • Epigenetic Panels
      • Acylcarnitines Profile
      • Core Mitochondria Panel
      • MycoTOX Profile: Mold
      • Gut-Metabolic Organic Acids
      • Toxic Metals & Antioxidant
      • Allergy & Immune
      • Intestinal Permeability + Celiac
      • Culture, PCR + Parasitology (CPP)
      • Organic Acids, 8-OHdG
      • Vitamins, Minerals, Antioxidant Status
      • Glucose, Lipids, Insulin
    • Epigenetic Individual Tests
      • 8-0HdG
      • Coenzyme Q10, Total
      • Creatine Kinase-MB
      • GDF-15 Blood Test
      • Glutathione Blood Test
      • Magnesium RBC Test
      • Manganese Blood Test
    • Other Popular Lab Panels
      • Apolipoprotein B (Lipids)
      • Bredesens Cognoscopy – Alzheimer’s
      • Cholesterol w basic lipids
      • Cortisol – Salivary
      • Female Hormone Panel
      • Folate Receptor Antibody (FRAT Test)
      • Hashimoto’s Thyroid Panel
      • Testosterone, Free/Total
    • Common Lab Findings
      • Low Zinc Copper Ratio: Causes, Anxiety, ADHD and Dementia
      • Copper Overload
      • Low Ceruloplasmin & Free Copper
      • High Histamine
      • Elevated Homocysteine
      • High Urine Pyrroles
      • Elevated SAH & Low SAM
      • High Basophils
      • View All Lab Findings
  • The Walsh Approach
    • For Patients
      • The Walsh Approach
      • Five Biotypes of Depression
      • – Undermethylation
      • – Overmethylation
      • – Copper Overload
      • Free Copper Calculator
      • – Pyroluria
      • – Toxic Overload
      • What is WalshDoc?
    • For Practitioners
      • Walsh Protocol Training & Education
      • Bring the Walsh Approach into Your Practice
      • Understanding the Methylation Test
      • Homocysteine and Methylation
      • SAH, Methylation, and Mood
      • Walsh Protocol Nonresponders
      • Five Epigenetic Biotypes of Undermethylation
    • Research
      • Second Opinion Articles Hub
      • What Causes Postpartum Depression?
      • Genetic Testing vs Epigenetic & Functional Testing
      • What Causes Undermethylation?
      • Why Folic Acid Can Worsen Depression
      • Walsh Research and Publications
      • Walsh Research Institute – William Walsh, PhD
      • Benefits of Saunas for Detoxification
  • Blog & Info
    • BLOG & ARTICLES
      • Blog Posts Overview
      • Genetics vs Epigenetics
      • Epigenetic Biotypes of Undermethylation
      • What Causes Undermethylation?
      • High Copper Symptoms
      • When Folates Cause Depression
      • Toxic Overload & Depression
      • Nutrition
      • Vaccine Injury & COVID Vax
    • GENERAL / ACCOUNT
      • About Us
      • Contact Us
      • My Account (Login/Orders)
      • Payment Information
      • Schedule An Appointment
      • Reschedule My Appointment
    • FREQUENTLY ASKED QUESTIONS
      • FAQs
    • SUPPLEMENTS
      • Undermethylation
      • Copper Overload
      • Overmethylation
      • Pyroluria
      • Toxic Overload
      • Homocysteine
      • Ceruloplasmin
  • Take the Test
    • AI Supported Medical Assessment
    • Take the Test
    • WalshDoc Biotype + Methylation Questionnaire
  • Login / Register
  • ×
  • ```
    ```