SelankCognitive & Anxiolytic PeptideSafety Rating 8/10

TypeSynthetic heptapeptide (tuftsin analog)
CAS129954-34-3
MW751.9 g/mol
AAs7
Primary research areaAnxiolytic / nootropic research

Research-literature reference data, NOT patient instructions. Not for human use. Consult a licensed clinician for any human application.

Research dose range250–900 mcg/day intranasal (0.15% solution typical)source ↗
AdministrationIntranasal drops
Half-life<30 minutes (effects last hours)
Safety8/10 · Approved in Russia
NCAA D1Not listed

Price Comparison

Compare vendors · per 10mg

26 vendors competing

VendorPrice$ / mgUpdated
Deus MedicalBest $/mgCOA on requestOut of stock$16.20$1.62Apr 17, 2026Buy →
Amino ClubCOA ✓ · 3P$23.99$29.99−20% · code PEPTIDEPRICES$2.40May 14, 2026Buy →
Red River PeptidesCOA ✓ · 3P$25.50$30.00−15% · code PEPTIDEPRICES$2.55May 19, 2026Buy →
Behemoth LabzCOA ✓ · 3P$108.98$2.72May 14, 2026Buy →
Ascension PeptidesCOA ✓ · 3P$27.50$55.00−50% · code peptidepri$2.75Apr 16, 2026Buy →

Overview

About Selank

Mechanism of action

Synthetic analogue of tuftsin; modulates GABA-A receptor activity; increases BDNF expression; regulates serotonin, dopamine, and enkephalin metabolism; anxiolytic without sedation.

Safety profile

Very well-tolerated. Minimal side effects reported. Slight sedation possible. Nasal irritation with intranasal use. · Approved in Russia; no sedation, amnesia, or dependence; appears very well-tolerated; limited Western data

Storage

Stability & handling

❄️Lyophilized (powder)−20°Cprotect from light
💉Reconstituted2–8°Cwithin 4 weeks
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Safety & Interactions

Contraindications & Drug Interactions

Research use only — not medical advice. Consult a licensed physician before using any peptide. Sources are cited where available.

ℹ NoteCaution

Approved in Russia for anxiety; limited Western clinical data. Safety profile appears favorable but long-term data is sparse.

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Selank Guide

Anxiolytic peptide research guide — mechanism, dosing, and vendor comparison.

Read full guide · 8 min read →

Research

Studies & key findings

  • Synthetic heptapeptide analogue of the endogenous immunomodulator tuftsin; registered in Russia for anxiety and neurasthenia treatment following clinical trials showing efficacy comparable to benzodiazepines without sedation or dependence.
  • Modulates GABAergic neurotransmission gene expression and inhibits enkephalin-degrading enzymes, providing anxiolysis via multiple complementary pathways.

9 peer-reviewed sources cited — clinical, preclinical, and regulatory.

Read full research →
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