SELANK

Cognitive EnhancementResearch Only

Solid research foundation with human clinical data backing both anxiety reduction and cognitive benefits. One of the better-studied synthetic peptides in the nootropic space, though most research originates from Russian institutions.

Primarily investigated by neuropsychiatric researchers studying anxiety disorders and cognitive enhancement, with particular focus in Eastern European academic institutions.

FDA Status
Banned from Compounding

Since Mar 2024

Evidence
Strong
Studies

15 total, 6 human

What is SELANK?

Originally developed by Russian researchers as a modified version of tuftsin, this heptapeptide has garnered attention for its dual-action profile targeting both anxiety and cognitive performance. Unlike many nootropics that focus solely on cognitive enhancement, Selank appears to calm the mind while simultaneously sharpening focus. Research teams studying stress-related cognitive decline have shown particular interest in its potential therapeutic applications.

The peptide works by fine-tuning three major neurotransmitter pathways—GABA for relaxation, serotonin for mood stability, and dopamine for motivation and focus—while simultaneously boosting brain-derived neurotrophic factor (BDNF) production. Think of it as adjusting multiple dials on your brain's control panel at once: turning down the anxiety volume while turning up cognitive clarity and neuroplasticity. This multi-target approach may explain why users report feeling both calmer and more mentally sharp.

What the Research Shows

Decent evidence base with 6 human studies among 15 total publications, though geographic concentration of research in Russia may limit broader validation.

Notable Studies

\[Optimization of the treatment of anxiety disorders with selank\].

Medvedev VE, Tereshchenko ON, Kost NV et al. · Zh Nevrol Psikhiatr Im S S Korsakova (2015)

RCT · n=70

\[Efficacy and possible mechanisms of action of a new peptide anxiolytic selank in the therapy of generalized anxiety disorders and neurasthenia\].

Zozulia AA, Neznamov GG, Siuniakov TS et al. · Zh Nevrol Psikhiatr Im S S Korsakova (2008)

RCT · n=62

\[A comparison of the anxiolytic effect and tolerability of selank and phenazepam in the treatment of anxiety disorders\].

Medvedev VE, Tereshchenko ON, Israelian AIu et al. · Zh Nevrol Psikhiatr Im S S Korsakova (2014)

RCT · n=60

Functional Connectomic Approach to Studying Selank and Semax Effects.

Panikratova YR, Lebedeva IS, Sokolov OY et al. · Dokl Biol Sci (2020)

Cohort · n=52

\[Immunomodulatory effects of selank in patients with anxiety-asthenic disorders\].

Uchakina ON, Uchakin PN, Miasoedov NF et al. · Zh Nevrol Psikhiatr Im S S Korsakova (2008)

Case Series · 14 days

Reported Benefits

Anxiety reduction3 studies
Cognitive enhancement1 study
Stress relief2 studies
Focus improvement

Regulatory Status

Banned from CompoundingEffective: Mar 2024

Last verified: Feb 2026

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This information is for research purposes only and does not constitute medical advice. Always consult a licensed physician before using any peptides.