Selank

Also Known As: TP-7, Selank peptide, Thr-Lys-Pro-Arg-Pro-Gly-Pro tuftsin analog, Anxiolytic peptide, Russian anti-anxiety peptide, Tuftsin analog, Anxioselective peptide, Nootropic peptide Selank, GABA-modulating peptide, Adaptogen peptide Selank, Selank nasal spray, anti-anxiety, nootropic, anxiolytic

Selank is a research-grade Synthetic heptapeptide anxiolytic / nootropic targeting Enkephalinase inhibition studied in Immunity & Wellness research. It is supplied strictly for in vitro laboratory research use only - not for human or animal consumption, and not FDA-approved.

Evidence Tier: Research Compound - No approved human use; sold for laboratory research only.

A calming, nootropic peptide used in Russia for anxiety; Western evidence is thin.

At A Glance

Selank Key Research Facts
CategoryImmunity & Wellness
Compound ClassSynthetic heptapeptide anxiolytic / nootropic; tuftsin analog (Thr-Lys-Pro-Arg-Pro-Gly-Pro)
Molecular TargetEnkephalinase inhibition; GABA-A receptor modulation; BDNF upregulation; serotonin/dopamine pathway; T-cell tuftsin receptor
Molecular Weight751.88 Da
Amino Acid SequenceThr-Lys-Pro-Arg-Pro-Gly-Pro
CAS Number129954-34-3
Half-Life~2 minutes
WADA Statusnot_listed
Evidence TierResearch Compound

Mechanism Of Action

It regulates the breakdown of natural calming chemicals in the brain (enkephalins) and boosts serotonin and dopamine, providing intense anxiety relief while actually improving cognitive focus.

Studied For

  • Generalized anxiety disorder research
  • Stress modulation
  • Cognition / attention / focus
  • Memory enhancement
  • Anxiety reduction without sedation
  • BDNF upregulation
  • Serotonin system modulation
  • Dopamine modulation
  • GABAergic modulation
  • Immune modulation via tuftsin analog
  • Antidepressant research
  • Alcohol withdrawal research
  • ADHD research
  • Nootropic research
  • Neuroplasticity
  • Adaptive stress response
  • stress relief
  • cognitive enhancement
  • focus
  • anxiety reduction
  • depression
  • immune modulation
  • BDNF increase

Reported Research Findings

Russian studies report anxiolytic efficacy without sedation, dependence, or withdrawal. Largely single-lineage and preliminary; no large Western trials.

Safety And Handling Notes

Reported well tolerated; intranasal use may cause local nasal irritation.

Narrow, non-replicated evidence; registered as a medicine in Russia but not FDA or EMA approved. Research use only elsewhere.

Regulatory Status

Registered in Russia; not FDA or EMA approved.

Full Reference Detail

Related Research Guides

Maintained By The Pep Nation Lab Research Team. See Our Editorial Standards And Research Methodology For How This Reference Is Sourced And Reviewed.

This Reference Is Provided For In Vitro Laboratory Research Use Only. Not For Human Consumption. See The Full Research Disclaimer.

References And Citations

  1. en.wikipedia.org
  2. peptidebiologix.com
Spec Sheet

Selank

Also Known As: TP-7, Selank peptide, Thr-Lys-Pro-Arg-Pro-Gly-Pro tuftsin analog, Anxiolytic peptide, Russian anti-anxiety peptide, Tuftsin analog, Anxioselective peptide, Nootropic peptide Selank, GABA-modulating peptide, Adaptogen peptide Selank, Selank nasal spray, anti-anxiety, nootropic, anxiolytic

Research CompoundImmunity & Wellness

Explain Like I'm 5

  • Selank acts like a calming blanket for a stressed-out brain. It completely wipes away anxiety, stops racing thoughts, and helps you focus clearly without making you feel sleepy or tired.

A calming, nootropic peptide used in Russia for anxiety; Western evidence is thin.

Identity & Classification
Selank Key Research Facts
ClassSynthetic heptapeptide anxiolytic / nootropic; tuftsin analog (Thr-Lys-Pro-Arg-Pro-Gly-Pro)
Molecular TargetEnkephalinase inhibition; GABA-A receptor modulation; BDNF upregulation; serotonin/dopamine pathway; T-cell tuftsin receptor
CategoryImmunity & Wellness
Molecular Weight751.88 Da
Amino Acid SequenceThr-Lys-Pro-Arg-Pro-Gly-Pro
CAS Number129954-34-3
Parent CompoundTuftsin analog
Research Metrics at a Glance
202
PubMed Citations
2
Clinical Trials
2 Active

Sequence

7 Residues· 751.88 Da
TKPRPGP
Polar / OtherBasicHydrophobic

Related Compounds

Research Use Only. Not For Human Or Veterinary Use. Information Provided For Laboratory Research Purposes Only.

Research Reference Only — Not Medical Advice. For In Vitro Laboratory Use Only.
Typical Dose250–500 mcg
FrequencyOnce or twice daily
Cycle On2–4 weeks
Cycle Off2–4 weeks
Route(s)
IntranasalSubcutaneous
Research Notes

Anxiolytic heptapeptide. Intranasal route (2–3 drops per nostril) is primary research route due to excellent CNS penetration. Short half-life requires twice-daily dosing for sustained effect. No observed withdrawal or dependency in research.

Sequence Motif Viewer

27 Residues
THR-LYS-PRO-ARG-PRO-GLY-PRO
BasicAcidicPolarNon-PolarAromaticSpecial
CompoundCompoundTargetReceptor / TargetIt regulates the bre...Downstream PathwayResearch EffectStudied Effect

Compare Selank

Selank Frequently Asked Questions

What Is Selank?

A calming, nootropic peptide used in Russia for anxiety; Western evidence is thin.

How Does Selank Work?

It regulates the breakdown of natural calming chemicals in the brain (enkephalins) and boosts serotonin and dopamine, providing intense anxiety relief while actually improving cognitive focus.

What Has Selank Been Studied For?

In the referenced literature, Selank has been studied for Generalized anxiety disorder research, Stress modulation, Cognition / attention / focus, Memory enhancement, Anxiety reduction without sedation, BDNF upregulation, Serotonin system modulation, Dopamine modulation, GABAergic modulation, Immune modulation via tuftsin analog, Antidepressant research, Alcohol withdrawal research, ADHD research, Nootropic research, Neuroplasticity, Adaptive stress response, stress relief, cognitive enhancement, focus, anxiety reduction, depression, immune modulation, BDNF increase. This summarizes research focus only and is not a claim of efficacy.

What Is The Reported Half-Life Of Selank?

Selank has a reported half-life of ~2 minutes in the referenced literature.

Is Selank Approved For Human Use?

No. Selank is supplied strictly for in vitro laboratory research use only. It is not intended for human or animal consumption, ingestion, or injection, and it has not been evaluated by the FDA.

Regional Research Availability

Pep Nation Lab supplies research-grade Selank to qualified researchers and scientific institutions nationwide. Browse verified availability and per-region documentation by state:

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