Research comparison
Selank vs Semax
Side-by-side comparison of research status, mechanisms, pharmacokinetics, and administration routes.
Research Status
Approved
Approved
Half-Life
~5–10 minutes in serum; nasal effects last 1–3 hours
~20 minutes (active metabolite activity is prolonged)
Mol. Weight
751.87 Da
—
Admin Routes
intranasal, subcutaneous
intranasal, subcutaneous
Categories
Cognitive Enhancement, Immune Support
Cognitive Enhancement, Neuroprotection
Interaction
additive
Selank exerts anxiolytic and immunomodulatory effects primarily through GABA-A modulation and BDNF upregulation, while semax predominantly drives cognitive enhancement via BDNF and dopaminergic pathways. Overlapping BDNF activity suggests additive nootropic potential.
emerging
Mechanism
Pharmacokinetics
Research Findings
Safety
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