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Dihexa vs Methylene Blue

A side-by-side research comparison of Dihexa and Methylene Blue across mechanism, dosing, half-life, benefits, side effects and research status.

Comparison table

AttributeDihexaMethylene Blue
Full nameDihexa (N-hexanoic-Tyr-Ile-(6)-aminohexanoic amide)Methylene Blue (Methylthioninium Chloride)
CategoryCognitive & NootropicCognitive & Nootropic
StatusResearch compoundFDA-approved (off-label use)
MechanismAllosteric potentiator of HGF/c-Met signaling driving synaptogenesis, dendritic spine formation, and neuronal survival in hippocampal circuits.Acts as an alternative electron carrier in the mitochondrial electron transport chain, bypassing complex I-III blockades. Inhibits monoamine oxidase, tau aggregation, and provides antioxidant protection through auto-oxidation cycling.
Molecular weight507.6 Da319.85 Da
Half-life6-12 hours5-6.5 hours
BioavailabilityModerate (oral/SubQ)~72% oral
Typical dose10-20 mg (oral) or 2-5 mg (SubQ)0.5-2 mg/kg
FrequencyDailyDaily or cycled
RouteOral or SubcutaneousOral solution or sublingual

Dihexa reported benefits

  • Dramatic synaptogenesis
  • Memory improvement
  • Cognitive restoration potential
  • Dendritic spine growth
  • HGF/c-Met activation

Methylene Blue reported benefits

  • Mitochondrial energy boost
  • Cognitive enhancement
  • Neuroprotection
  • Anti-aging at cellular level
  • Mood improvement
  • Memory support

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Research and educational reference only. Not medical advice.