Methylene Blue
A synthetic phenothiazine compound that acts as an alternative mitochondrial electron carrier, with a long history as one of the first synthetic drugs used in medicine.
Research status: FDA-approved for methemoglobinemia; cognitive/longevity use is investigational.
This page is a research-orientation summary, not a dosing guide. For anything beyond general background, read the primary literature or talk to a qualified clinician — specifics like amount, frequency, or administration aren't something we publish here.
Related in Longevity