Methylene blue is an electron carrier that supports the mitochondrial electron transport chain. That single sentence explains why a 150-year-old textile dye has become one of the most discussed compounds in metabolic medicine — and why most of what is written about it online is wrong.
Dr. John Lieurance has used methylene blue in clinical practice for years. In this third edition he sets out what it actually does, how it works, what the literature supports, and — critically — who should never take it.
How methylene blue recycles electrons in the electron transport chain Why cells under stress switch to anaerobic glycolysis, and what it costs the 0.5–4 mg/kg range, and why higher is not better The MAO-A serotonin syndrome, SSRIs, and the FDA warning G6PD deficiency and other absolute contraindications Methylene blue with photobiomodulation and red light Why pharmaceutical grade matters and aquarium grade can hurt you
BONUS MATERIAL from Dr. Jason Sonners and Brian Richards on combining hyperbaric oxygen, light, and methylene blue.
Methylene blue is FDA-approved only for methemoglobinemia. Every other use discussed here is off-label. This book tells you that plainly — because the compounds worth taking seriously are the ones you can discuss honestly.
Dr. John Lieurance, DC, ND is a chiropractic neurologist in Sarasota, Florida with over 30 years in practice, and the author of five books including Miracle Molecule.