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Selank (10mg)
Research Grade >99.3% Purity
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Scientific Background
Selank is a synthetic heptapeptide analog of tuftsin (Thr-Lys-Pro-Arg) extended with a Pro-Gly-Pro C-terminal sequence that significantly enhances its stability and CNS penetration. Developed at the Institute of Molecular Genetics of the Russian Academy of Sciences, Selank was specifically engineered to deliver anxiolytic and nootropic effects comparable to benzodiazepines without the sedation, dependence risk, or cognitive impairment associated with GABAergic drugs.
Selank's mechanisms are multi-target: it modulates GABAergic neurotransmission, upregulates BDNF expression in the hippocampus, balances serotonin and dopamine levels, and regulates enkephalin metabolism and interleukin-6 (IL-6) expression. This combination produces anxiolytic, anti-asthenic, and mild cognitive-enhancing effects without sedation — a profile consistently described as "benzodiazepine-like calm without the downsides."
Russian clinical trials demonstrated Selank's efficacy in generalised anxiety disorder and neurasthenia models, with favourable tolerability and no dependence liability. Its immunomodulatory properties — particularly IL-6 regulation — add an additional layer of research relevance in stress-immune axis studies. Compared to Semax (more cognitively stimulating) and Adamax (stronger BDNF/nootropic but more activating), Selank is positioned as the gentler, mood-stabilising option in the Russian nootropic peptide family.
Intended Research Use
- Anxiolytic mechanism research (GABAergic modulation without benzodiazepine side effects)
- BDNF upregulation and hippocampal neuroplasticity studies
- Anti-asthenic (anti-fatigue) and mood stabilisation research
- Enkephalin metabolism and endogenous opioid system regulation
- IL-6 and stress-immune axis modulation studies
- Nootropic peptide pharmacology (tuftsin analog family)
- Comparative anxiolytic research (Selank vs. Semax vs. Adamax models)
menu_bookScientific Publications
Bulletin of Experimental Biology and Medicine (2008)
Effects of Selank on the content of monoamines and their metabolites in structures of rat brain
open_in_newhttps://pubmed.ncbi.nlm.nih.gov/18846310/
Experimental Biology and Medicine (2007)
The anxiolytic peptide selank inhibits enkephalin degrading enzymes
open_in_newhttps://pubmed.ncbi.nlm.nih.gov/17895490/
Neurochemical Research (2012)
Selank regulates BDNF and enkephalin degradation in an anxious rat model
open_in_newhttps://pubmed.ncbi.nlm.nih.gov/22562388/
FOR RESEARCH USE ONLY. This product is intended for laboratory research purposes only and is not for human consumption, medical, or diagnostic use.
Possible stacks with other peptides
Synergistic combinations for enhanced research outcomes
Selank is the cornerstone of Russian nootropic peptide stacks — most commonly paired with Semax for the classic cognitive-anxiolytic combination.

Semax (10mg vial)
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Classic Russian nootropic duo — Selank provides calm, anxiety-free focus while Semax drives cognitive enhancement, BDNF/NGF upregulation, and memory consolidation for balanced brain performance research.

Adamax (10mg vial)
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Selank softens any overstimulation from Adamax's powerful BDNF boost while amplifying cognitive gains — this combination is studied for high-performance neuroplasticity research requiring both stimulation management and neurotrophin enhancement.

BPC-157 (5mg vial)
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Gut-brain axis and systemic healing — BPC-157 adds tissue repair and gut microbiome support to Selank's anxiolytic and immunomodulatory effects, addressing the physical and neural dimensions of stress and anxiety simultaneously.

Oxytocin Acetate (10mg vial)
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Social anxiety and bonding research — oxytocin enhances trust and prosocial behaviour while Selank reduces underlying anxiety, creating a comprehensive stack for social cognition and anxiety disorder research.

DSIP 10mg (10mg vial)
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Delta sleep-inducing peptide for anxiolytic and sleep modulation — combined with Selank for complementary mood regulation and stress reduction research.
Cycling Note: Protocol: 4 weeks on, 4 weeks off. Repeat 2–4 cycles. When stacking with Semax, both can follow the same cycle schedule.