Methylene Blue: How It Works, What It's Studied For & Safety
Methylene Blue is a redox-active phenothiazine dye FDA-approved for methemoglobinemia and studied off-label for mitochondrial-energy and cognitive applications. Clinicians consider it for methemoglobinemia (FDA-approved IV). Branded products are FDA-approved under labeled indications; compounded variants are dispensed by Wells Pharmacy Network only after a licensed clinician evaluates intake, history, and labs.
Also known as: Methylthioninium Chloride
How does Methylene Blue work?
Methylene blue is studied as an alternative electron carrier in the mitochondrial electron-transport chain, supporting cellular ATP production under stress conditions. At higher doses it inhibits monoamine oxidase and nitric oxide synthase.
What is Methylene Blue studied for?
- Methemoglobinemia (FDA-approved IV)
- Off-label cognitive and mitochondrial-axis research at low doses
How is Methylene Blue taken?
FDA-approved as an IV solution. Compounded oral and topical low-dose preparations exist for off-label clinician-directed protocols. Use only USP-grade pharmaceutical-quality preparations.
Is Methylene Blue FDA-approved? Is it safe?
FDA-approved as a finished drug product when prescribed under its labeled indications. Compounded variants on this site are separate from the branded product and are dispensed only when a clinician determines a compounded preparation is appropriate. High-dose serotonergic interactions and G6PD-deficiency hemolysis risk are important. Compounded prescription-only preparations are dispensed by Wells Pharmacy Network. Eligibility is decided by a licensed clinician based on intake and labs, not by checkout. Compounded products on this site are not FDA-approved and are not generic equivalents of any branded medication.
In the Regen Therapy catalog
This compound does not currently appear in an active Regen Therapy protocol. Browse the full catalog for adjacent options.
What does the research say about Methylene Blue?
Strong evidence for the labeled indication; off-label cognitive use is supported by small early-phase work.
Citations & further reading
Considering Methylene Blue as part of a protocol?
Browse Regen Therapy's catalog or start a clinician evaluation. Every prescription is reviewed by a licensed clinician and dispensed by Wells Pharmacy Network.
Browse the catalog →