Compare peptides
Put two entries side by side — evidence, mechanism, risks, and community claims.
Selank
Limited
Research chemical
Summary
Russian anxiolytic peptide analog of tuftsin; used for anxiety and cognitive stability without classic benzo sedation.
Categories
Cognitive & Nootropic
Mechanism
Modulates GABA and monoamine systems; influences BDNF and enkephalin pathways in research literature; immune peptide lineage (tuftsin).
Half-life
Short; nasal multi-dose daily common
Routes
Intranasal; Subcutaneous injection
Legal / access
Pharmaceutical in Russia for certain uses; typically research-only in the US. Not FDA-approved.
Key risks
- Nasal irritation
- Vivid dreams (anecdotal)
- Headache uncommon
Common claims
- Calm focus without benzos
- Social anxiety support
- Stable mood under load
Select peptide B