SLNK

Selank

Anxiolytic & Cognitive Enhancing Peptide

Anxiety Reduction Cognitive Enhancement Neuroprotection Immune Modulation

Selank

5MG
Currently Unavailable

Disclaimer: This product is for laboratory research purposes only. Not for human consumption.

Research Protocol

Standardized handling, dosing, and storage guidelines for Selank in neurological and cognitive research applications.

  • Administration Guide
  • Storage Parameters
  • Handling Procedures
View Full Protocol

Compound Overview

Selank is a synthetic analogue of the naturally occurring human tuftsin peptide. Originally developed by the Institute of Molecular Genetics of the Russian Academy of Sciences, it has been heavily researched for its profound anxiolytic (anti-anxiety) and nootropic (cognitive-enhancing) properties. Unlike traditional benzodiazepines, Selank modulates GABAergic and enkephalinergic systems without causing sedation, cognitive impairment, or addiction, making it a highly compelling subject for advanced neurological research and stress management studies.

Technical Specifications

HEPTAPEPTIDE
Thr-Lys-Pro-Arg-Pro-Gly-Pro
751.9 g/mol
129954-34-3
>99.0%
Lyophilized Powder
Synthetic Peptide

Primary Research Focus

Anxiolytic Effects Cognitive Function Memory Consolidation Neuroprotection Stress Response

Expected Results Timeline

Phase 1: 0-2 Hours Acute Anxiolysis
Phase 2: Days 1-7 Cognitive Stabilization
Phase 3: Weeks 1-4 Sustained Neuroprotection
Phase 4: Weeks 4+ Baseline Shift

Acute Anxiolysis

Phase 1: 0-2 Hours

Rapid modulation of GABA receptors. Subjects typically exhibit reduced anxiety markers without sedation, leading to immediate emotional balancing.

0 25 50 75 100 0-2 Hrs Days 1-7 Wks 1-4 Wks 4+

Compare Similar Compounds

Compound Primary Mechanism Key Benefit Admin.
Selank Tuftsin Analogue Anxiolytic & Nootropic SubQ / Nasal
Semax ACTH Analogue Stimulatory Nootropic & Focus SubQ / Nasal
Epitalon Telomerase Activator Anti-Aging & Sleep Regulation SubQ
Benzodiazepines GABA Modulator Anxiolytic (Sedative) Oral

Mechanism of Action

Step 1Enkephalinase Inhibition
Step 2GABA Modulation
Step 3BDNF Upregulation

Selank operates through multiple neural pathways to stabilize mood and enhance cognition without the depressant effects of traditional anxiety treatments.

1

Enkephalinase Inhibition

Prevents the breakdown of endogenous enkephalins, naturally extending their stress-reducing and mood-stabilizing effects in the brain.

2

GABA Modulation

Allosterically modulates GABA receptors, enhancing inhibitory neurotransmission which reduces anxiety without causing sedation or cognitive dulling.

3

BDNF Upregulation

Increases Brain-Derived Neurotrophic Factor (BDNF), promoting neurogenesis, synaptic plasticity, and improved memory consolidation.

Pharmacokinetics & Properties

Very short in plasma (minutes) but physiological and neuro-modulatory effects last for hours to days.

High via subcutaneous or intranasal administration. The Pro-Gly-Pro sequence allows effective blood-brain barrier penetration.

Rapidly degraded by peptidases into constituent, non-toxic amino acids.

GABA(A) receptors, enkephalinase enzymes, and BDNF pathways.

Clinical & Research Data

Psychoneurological Research

Selank has been extensively studied for its ability to treat generalized anxiety and cognitive deficits without the side effects of traditional pharmacology.

Key Research Findings:
  • Demonstrated significant efficacy in reducing generalized anxiety in clinical trials without causing sedation or muscle relaxation.
  • Shown to improve learning, memory, and cognitive performance under acute stress conditions in animal models.
  • Exhibited immune-modulating properties by mimicking tuftsin, enhancing natural killer cell activity and immune resilience.

Safety & Monitoring Profile

Common Observations

  • Mild fatigue initially as the nervous system adapts.
  • Temporary injection site redness (when administered SubQ).
  • Subtle changes in sensory perception or heightened focus.

Research Considerations

  • Monitor for excessive lethargy, though rare compared to traditional anxiolytics.
  • Ensure sterile technique, particularly with intranasal formulations to avoid irritation.
  • No evidence of physical dependence or withdrawal symptoms has been documented.

Frequently Asked Questions

How does Selank differ from Semax?
+
While both are Russian nootropic peptides, Semax is primarily stimulatory and focused on concentration and cognitive drive. Selank is primarily anxiolytic and focused on stress reduction, emotional balancing, and memory consolidation.
Does Selank cause withdrawal or addiction?
+
Research indicates that unlike benzodiazepines, Selank does not cause physical dependence, withdrawal symptoms, or tolerance build-up, making it a much safer subject for long-term anxiety research.
Why is it considered a tuftsin analogue?
+
Selank is based on the endogenous immunomodulatory peptide tuftsin. By adding the Pro-Gly-Pro sequence to the end of the tuftsin chain, researchers significantly increased its metabolic stability and half-life, allowing it to cross the blood-brain barrier effectively.
Available Research Products

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Selank FAQ

Selank Questions.

Deeper research-focused questions about Selank, tuftsin analogue research, TKPRPGP structure, Pro-Gly-Pro stability extension, neuropeptide signaling, stress-response models, gene-expression research, storage, and batch documentation.

What is Selank?

Selank is a synthetic heptapeptide research compound commonly discussed as an analogue of tuftsin. In laboratory contexts, Selank is studied around neuropeptide signaling, stress-response models, anxiolytic-like behavioral research, gene-expression changes, immune-neural signaling, peptide stability, and glyproline-related peptide biology. On this site, Selank is positioned strictly as a laboratory research reference compound.

What is Selank’s peptide sequence?

Selank is commonly represented by the sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro, also written as TKPRPGP. This sequence combines the tuftsin-related Thr-Lys-Pro-Arg fragment with a Pro-Gly-Pro extension. Including both the full amino acid sequence and the shorthand TKPRPGP helps strengthen the scientific depth and search relevance of a Selank resource page.

Is Selank a peptide?

Yes. Selank is a peptide, specifically a synthetic heptapeptide, meaning it is composed of seven amino acid residues. This makes it different from small-molecule research compounds such as Bromantane or 5-Amino-1MQ, and different from coenzyme compounds such as NAD+. For site structure and SEO, Selank belongs in the neuropeptide and tuftsin analogue research category.

How does Selank relate to tuftsin?

Selank is commonly described as a synthetic analogue of tuftsin. Tuftsin is a short endogenous peptide fragment represented by Thr-Lys-Pro-Arg, while Selank adds a Pro-Gly-Pro sequence to the C-terminal end. This tuftsin relationship is one of the most important scientific angles for Selank because it connects the compound to peptide stability, immunomodulatory pathway research, and neuroimmune signaling models.

What is the Pro-Gly-Pro extension in Selank?

The Pro-Gly-Pro extension is the three-amino-acid sequence added to tuftsin to form Selank. In research discussions, this C-terminal extension is commonly described as a stability-focused modification that helps distinguish Selank from tuftsin itself. For education and SEO, this is useful because it explains why Selank is not simply tuftsin under a different name.

Why is Selank studied in stress-response research?

Selank is studied in stress-response research because tuftsin-family peptides and Selank have been investigated in behavioral models involving emotional reactivity, conflict stress, stress adaptation, and anxiolytic-like response. A research-use page should describe these topics as preclinical behavioral and neuropeptide pathway models rather than as anxiety treatment, mood support, nootropic use, or self-administered wellness claims.

How does Selank relate to neuropeptide signaling?

Selank is commonly discussed in neuropeptide signaling research because it is a short regulatory peptide analogue connected to behavioral models, stress-response pathways, neurotransmission-related gene expression, and neuroimmune communication. This makes Selank different from receptor agonist peptides such as Ipamorelin or Tirzepatide because the page should focus on regulatory peptide and neuropeptide research language rather than endocrine or metabolic receptor activation.

How does Selank relate to gene-expression research?

Selank has been discussed in research involving gene-expression changes connected to neurotransmission and brain-region-specific signaling models. These discussions may involve expression patterns related to neurotransmitter systems, stress-response pathways, peptide signaling, and regulatory gene networks. A Selank resource page can mention gene-expression research, but it should avoid converting those findings into cognitive, anti-anxiety, therapeutic, or human-use claims.

How is Selank different from Semax?

Selank and Semax are both commonly discussed as neuropeptide research compounds, but they are not the same. Selank is typically positioned as a tuftsin analogue with a Pro-Gly-Pro extension and stress-response or anxiolytic-like model relevance. Semax is usually discussed as an ACTH fragment analogue connected to neurotrophic, cognitive, and neuroprotection-related research models. Separate pages are useful because their structures, pathway themes, and SEO search intent are different.

How is Selank different from DSIP?

Selank and DSIP can both appear in neuropeptide research catalogs, but they are different compounds. Selank is a tuftsin analogue associated with stress-response, anxiolytic-like, neuroimmune, and gene-expression research themes. DSIP, or delta sleep-inducing peptide, is typically discussed around sleep-related peptide research and circadian or neuroendocrine models. They should not be presented as interchangeable because the peptide identities and research angles are different.

Is Selank the same type of compound as Bromantane or 5-Amino-1MQ?

No. Selank is not the same type of compound as Bromantane or 5-Amino-1MQ. Selank is a synthetic heptapeptide and tuftsin analogue. Bromantane is an adamantane-derived small-molecule research compound, while 5-Amino-1MQ is a small-molecule NNMT inhibitor. These compounds may appear in adjacent research categories, but their chemistry and mechanism themes are different.

Is Selank the same type of compound as Ipamorelin, CJC-1295, or Sermorelin?

No. Selank is not the same type of research peptide as Ipamorelin, CJC-1295, or Sermorelin. Ipamorelin is usually discussed as a growth hormone secretagogue, while CJC-1295 and Sermorelin are commonly discussed as GHRH analogue research compounds. Selank belongs in the tuftsin analogue, neuropeptide, stress-response, and neuroimmune research category.

What research areas are commonly associated with Selank?

Selank is commonly associated with research areas involving tuftsin analogue biology, glyproline peptide research, neuropeptide signaling, stress-response models, anxiolytic-like behavioral models, emotional reactivity research, neuroimmune communication, peptide stability, neurotransmission-related gene expression, and regulatory peptide pathway research. It is best positioned as a neuropeptide and tuftsin analogue research compound rather than a nootropic product, supplement, medication, or self-use compound.

What research endpoints are commonly associated with Selank?

Selank research discussions may involve endpoints related to behavioral stress models, emotional reactivity assays, anxiety-like behavior models, neurotransmission-related gene expression, peptide stability, neuroimmune markers, cytokine-related signaling, receptor-pathway modulation, and comparative analysis against tuftsin or other short regulatory peptides. The exact endpoints depend on the research model, analytical method, tissue system, and whether the study focuses on behavior, gene expression, peptide stability, or neuroimmune signaling.

Is Selank an approved medication or supplement?

Selank should not be presented on this page as a dietary supplement, nootropic product, anxiety treatment, mood product, cognitive enhancement product, prescription alternative, or self-administered compound. Research-use material sold by Symbiotic Pharmaceuticals should not be confused with any regulated medication, pharmacy product, clinical protocol, or consumer wellness product. This page is written only for educational reference and laboratory research positioning.

How should Selank be stored for research handling?

Storage requirements can vary by product format, batch, and label instructions. For research handling, follow the product label and applicable laboratory storage standards. In general, research peptides should be protected from unnecessary heat, light, moisture, contamination, oxidation, and repeated temperature changes because these conditions may affect long-term stability and handling quality.

Are lab results or COAs available for Selank?

Available certificates of analysis and batch documentation can be reviewed through the Lab Results / COA page. Documentation availability may vary by product and inventory lot. Where available, batch documentation may include product identification, purity-focused testing references, assay references where applicable, and supporting analytical documentation.

Is Selank sold for research use only?

Yes. Selank products listed on Symbiotic Pharmaceuticals are intended for laboratory research and analytical reference use only. They are not intended for human consumption, animal consumption, diagnostic use, therapeutic use, anxiety treatment, mood support, cognitive enhancement, nootropic use, wellness use, injection use, nasal use, or self-administration. Any discussion on this page is provided for educational and research-reference purposes only.

For Research Purposes Only

The information provided in this resource hub is for educational and informational purposes only. These products are not intended to diagnose, treat, cure, or prevent any disease.