Skip to main content
Nootropic
99%+ Purity

Selank

Selank Peptide

Published: August 24, 2025 Last updated: September 14, 2025 Reviewed by MVP Peptides Editorial Team

Selank is a synthetic peptide with anxiolytic and nootropic properties, developed in Russia as a derivative of tuftsin. It has been studied for its ability to reduce anxiety without sedation and improve cognitive function.

Buy Selank at Peptide Palace

Purity

99%+

Molecular Weight

751.87 g/mol

Administration

Intranasal spray

Storage

Store at 2-8°C

Mechanism of Action

Selank modulates the expression of BDNF, affects serotonin metabolism, and influences the balance of T-helper cell cytokines. It also stabilizes enkephalins in the blood, contributing to its anxiolytic effects without causing sedation.

Sequence:

Thr-Lys-Pro-Arg-Pro-Gly-Pro

Chemical Structure

Chemical structure of Selank

Research Areas

  • Generalized anxiety
  • Cognitive function
  • Immune modulation
  • Depression
  • Stress adaptation

Potential Benefits

  • Reduced anxiety without sedation
  • Improved cognitive function
  • Enhanced stress resilience
  • Immune support
  • Mood stabilization

Research Dosing Guidelines

For research purposes only. Not for human consumption.

Typical Dose

250-500 mcg

Frequency

2-3 times daily

Duration

14-21 days

Administration

Intranasal spray

Similar administration to Semax. Can be combined with Semax for synergistic effects.

Reconstitution Calculator

mg
mcg
2.0 ml
0.5 ml5 ml

U-100 Insulin Syringe

0102030405060708090100

10.0 units

Concentration

2500 mcg/ml

Inject Volume

0.100 ml

Syringe Units

10.0 IU

Doses Per Vial

20

For research and educational purposes only. Always follow proper reconstitution and sterile handling protocols.

Selank for Anxiety: Mechanism and Research Overview

Selank's anxiolytic mechanism is distinct from benzodiazepines and SSRIs, operating through enkephalin stabilization and serotonin modulation rather than direct GABA receptor binding.

Anxiolytic Comparison

FactorSelankBenzodiazepinesSSRIs
OnsetMinutes (intranasal)MinutesWeeks
SedationNoneSignificantMild initially
Dependency riskNone observedHighModerate (withdrawal)
Cognitive effectsEnhancementImpairmentNeutral to mild improvement
Duration3-5 hours4-8 hoursContinuous

Selank's profile makes it particularly interesting for research into anxiolysis without cognitive impairment — a combination traditional medications struggle to achieve.

Potential Side Effects

  • Fatigue (initial)
  • Nasal irritation
  • Generally very well tolerated

Storage Requirements

Store at 2-8°C.

Research References

  • [1]
    Anxiolytic Effects of Selank (2004)
    Emerging Evidence Population: BALB/c mice in elevated plus maze

    Selank produced significant anxiolytic effects comparable to benzodiazepines without sedation or motor impairment.

    Limitations: Animal behavioral model; may not translate directly to human anxiety

  • [2]
    Selank Enhances the Effect of Diazepam in Reducing Anxiety (2017)
    Emerging Evidence Population: Male Wistar rats

    Co-administration of Selank with diazepam enhanced anxiolytic effects while reducing the sedative properties of the benzodiazepine.

    Limitations: Drug interaction model; clinical relevance in humans uncertain

Frequently Asked Questions

What is Selank?

Selank is a synthetic peptide derived from tuftsin with notable anxiolytic and nootropic properties, developed in Russia. It has been studied for its unique ability to reduce anxiety without causing sedation while simultaneously improving cognitive function.

What are the potential research benefits of Selank?

Research indicates Selank may reduce anxiety without sedation, improve cognitive function, enhance stress resilience, and provide immune support. It works by modulating BDNF expression, serotonin metabolism, and stabilizing enkephalins in the blood.

How is Selank typically dosed in research?

Selank is typically administered at 250-500 mcg two to three times daily via intranasal spray. Research cycles generally last 14-21 days, and it can be combined with Semax for synergistic cognitive and anxiolytic effects.

What are the side effects of Selank?

Selank is generally very well tolerated in research settings. Minor side effects may include initial fatigue and nasal irritation from intranasal administration, both of which typically resolve quickly.

How should Selank be stored?

Selank should be stored at 2-8°C to maintain its stability and potency. Proper refrigeration is essential for preserving the peptide's biological activity throughout the research cycle.

Ready to Purchase Selank?

Get the highest quality Selank from our recommended vendor with 99%+ purity guaranteed.

Buy at Peptide Palace

Related Peptides

Semax

Semax (ACTH 4-10)

Semax is a synthetic peptide derived from a fragment of adrenocorticotropic hormone (ACTH). Developed in Russia, it has been extensively studied for its neuroprotective and cognitive-enhancing properties. It is used clinically in Russia for stroke and cognitive disorders.

Learn More

Dihexa

N-hexanoic-Tyr-Ile-(6) aminohexanoic amide

Dihexa is a potent oligopeptide derived from angiotensin IV that has demonstrated remarkable cognitive-enhancing and neuroprotective properties. Originally developed at Washington State University, it is considered up to ten million times more potent than BDNF at forming new neural connections in research models.

Learn More