Selank Research Peptide

In short: Selank is a synthetic heptapeptide derived from the natural immune fragment tuftsin, supplied strictly for in-vitro laboratory research and not approved for human consumption. It is widely used as a reference compound in neuropeptide and behavioural-model research. Research buyers should require ≥99% purity by HPLC, identity confirmation by mass spectrometry, and clear batch numbering for traceable results.

What is Selank?

Selank is a heptapeptide developed by the Institute of Molecular Genetics of the Russian Academy of Sciences in collaboration with the V.V. Zakusov Institute of Pharmacology. It is based on tuftsin, a naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) produced by enzymatic cleavage of immunoglobulin G. The tuftsin fragment was extended at the C-terminus with three L-amino acids (Pro-Gly-Pro) to improve metabolic stability and prolong its activity in experimental systems. In Russia it has been studied as an anxiolytic, but elsewhere it remains an unapproved research compound.

What does the research investigate?

Pre-clinical studies have examined Selank’s interactions with GABAergic, serotonergic and BDNF-related signalling in cell and animal models, alongside reported immunomodulatory and enkephalin-stabilising effects. Some rodent work has investigated whether Selank modulates GABAergic tone through indirect or allosteric mechanisms rather than direct receptor binding, and has looked at anxiety-like behaviour and cognition in standard test paradigms. These findings are exploratory and do not establish human safety or efficacy. Always read the primary sources directly.

Purity and quality: what research buyers should check

≥99% purity by HPLC (confirm via the batch certificate of analysis, or COA)
Identity confirmed by mass spectrometry
Batch numbering for full traceability

Vexar Lab supplies Selank as a pack of 10 vials, ≥99% HPLC-verified, batch-numbered, with mass-spec confirmation.

Handling and storage

Standard lyophilised-peptide practice applies. Store sealed vials at -20°C, protected from light and moisture. After reconstitution with an appropriate sterile diluent, keep refrigerated at 2–8°C and use within the period indicated by your protocol. Avoid repeated freeze–thaw cycles, which degrade peptide integrity, and allow vials to warm to room temperature before opening to reduce condensation.

Wholesale supply

Vexar Lab supplies research peptides in packs of 10 vials, with a £300 minimum order, bulk pricing on volume, £45 flat worldwide shipping, and optional custom labelling for resellers.

Frequently asked questions

Is Selank approved for human use?

No. Outside its limited regional history, Selank is not approved by major regulatory authorities for human consumption or therapeutic use, and Vexar Lab supplies it solely for in-vitro laboratory research.

What is Selank derived from?

It is a synthetic extension of tuftsin, a natural immunoglobulin-G–derived tetrapeptide, lengthened with Pro-Gly-Pro to improve stability in research conditions.

What purity should research-grade Selank meet?

Look for ≥99% by HPLC with a batch COA and mass-spec identity confirmation to ensure traceable, reproducible results.

This guide is for laboratory research reference only. Selank is supplied strictly for in-vitro research use and is not for human or animal consumption, nor for any diagnostic or therapeutic application.