The Peptide Audit

What is Selank?

Human clinical studiesCognitive research · Last reviewed September 28, 2026

Selank is a synthetic seven-amino-acid peptide based on tuftsin, a natural immune-system peptide, developed in Russia.

How does Selank work?

Research suggests it affects GABA signaling and the balance of monoamine neurotransmitters, as well as some immune markers.

What are researchers studying?

Where does the evidence stand?

Human clinical studies

Approved as a medicine in Russia. Not approved by the FDA.

Quick facts

Research area
Cognitive
Sequence
Thr-Lys-Pro-Arg-Pro-Gly-Pro
Third-party lab results
5 published COAs →
Tested vendors tracking it
2 vendors →

Recent peer-reviewed research

The most relevant Selank studies from the last three years, via PubMed (U.S. National Library of Medicine).

  1. Therapeutic Peptides in Orthopaedics: Applications, Challenges, and Future Directions
    Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews · 2026 Jan 1 · PubMed ↗

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This guide summarizes published research for educational purposes only. It is not medical advice and does not describe how to use Selank. Citations link to PubMed and are listed for reference — we haven't reviewed or endorsed their findings. Products referenced on The Peptide Audit are sold by third parties for laboratory research use only and are not for human consumption.