Selank
Selank is a synthetic peptide known for strong anti-anxiety (anxiolytic), neuroprotective, and cognitive-enhancing properties. It is researched for modulating GABA activity and improving memory.
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Selank is a synthetic heptapeptide developed as an analog of the naturally occurring tetrapeptide tuftsin. It has demonstrated strong anxiolytic (anti-anxiety), neuroprotective, and cognitive-enhancing properties in preclinical research. Selank is of particular interest in neuroscience and behavioral studies for its potential to modulate GABAergic activity, improve memory, and support immune function.
– Form: Lyophilized peptide
– Purity: >99%
– Origin: Manufactured and tested in the USA
– Documentation: Certificate of Analysis (COA) included
Selank is believed to influence the expression of genes related to neurotransmitter function and neurotrophic support. It enhances the activity of GABA (gamma-aminobutyric acid), a major inhibitory neurotransmitter involved in anxiety regulation. Selank may also interact with serotonin and dopamine pathways and improve neuroplasticity and learning processes.
– Anxiety and mood dysregulation studies
– Cognitive and memory performance models
– Stress resilience and PTSD research
– Inflammation and immune modulation in the CNS
– GABA receptor pathway analysis
– Promotes calmness without sedation
– Supports neuroprotection under stress
– Enhances memory and concentration
– May modulate immune response in brain models
Each vial is:
– Produced in a GMP-compliant U.S. facility
– Accompanied by a Certificate of Analysis (COA)
– Verified via HPLC and mass spectrometry
– Securely shipped with quality-control documentation
– Contents: 5mg Selank lyophilized peptide
– Appearance: White to off-white powder
– Solubility: Reconstitute with sterile bacteriostatic water
– Storage: Store at -20°C; refrigerate after reconstitution and use within 30 days
*For research use only. Not for human or veterinary consumption.*
– Intended for laboratory research only
– Not approved for human consumption or clinical use
– Buyer assumes all responsibility for legal research use
Unlike benzodiazepines, Selank is not sedating and appears to regulate GABA pathways without the risk of dependence in lab models.
Yes, Selank has shown potential for enhancing attention, memory, and learning, making it useful in neurocognitive studies.
Selank primarily influences GABA, and may modulate serotonin, dopamine, and cytokine signaling involved in stress and inflammation.
Each vial is tested for >99% purity using HPLC and mass spectrometry, and ships with a verified Certificate of Analysis.
Selank (5mg/10mg Vials) Dosage Protocol
Quickstart Highlights
Selank is a synthetic heptapeptide analog of tuftsin with demonstrated anxiolytic and anti-asthenic (energy-boosting) properties in human clinical trials[1][2]. In Russian studies, intranasal Selank produced anxiolytic effects comparable to benzodiazepines without sedation or dependence potential[1]. This educational protocol presents a once‑daily subcutaneous approach for both vial sizes with practical dilution for accurate insulin‑syringe measurements.
- Choose Your Vial: Select 5mg or 10mg based on your protocol duration and dosing needs.
- Typical daily range: 300–500 mcg once daily subcutaneously (gradual titration).
- Cycling Pattern: 4 weeks on, 4 weeks off to prevent tachyphylaxis.
- Storage: Lyophilized: freeze at −20 °C (−4 °F); after reconstitution, refrigerate at 2–8 °C (35.6–46.4 °F); avoid freeze–thaw cycles.
Choose Your Vial Size
Select the vial size that best fits your research needs. Both options deliver the same high‑purity Selank peptide with different concentrations for dosing flexibility.
Selank 5mg Vial
- Best for: Single 4-week cycles or testing tolerance
- Reconstitution: 3.0 mL bacteriostatic water → ~1.67 mg/mL concentration
- Dosing at 1.67 mg/mL: 1 unit = 0.01 mL ≈ 16.7 mcg
- 300 mcg dose: 18 units (0.18 mL)
- 500 mcg dose: 30 units (0.30 mL)
- Vials needed for 4-week cycle: ≈ 3 vials
Selank 10mg Vial
- Best for: Multiple cycles or extended protocols
- Reconstitution: 3.0 mL bacteriostatic water → ~3.33 mg/mL concentration
- Dosing at 3.33 mg/mL: 1 unit = 0.01 mL ≈ 33.3 mcg
- 300 mcg dose: 9 units (0.09 mL)
- 500 mcg dose: 15 units (0.15 mL)
- Vials needed for 4-week cycle: ≈ 2 vials
- For ≤10‑unit administrations, consider 30‑ or 50‑unit insulin syringes for improved readability.
Dosing & Reconstitution Guide
Educational guide for reconstitution and daily dosing across both vial sizes
Standard / Gradual Approach
| Week | Daily Dose (mcg) | 5mg Vial (3.0 mL) | 10mg Vial (3.0 mL) |
|---|---|---|---|
| Weeks 1–2 | 300 mcg (0.3 mg) | 18 units (0.18 mL) | 9 units (0.09 mL) |
| Weeks 3–4 | 500 mcg (0.5 mg) | 30 units (0.30 mL) | 15 units (0.15 mL) |
Frequency: Inject once daily subcutaneously[3]. A common cycling pattern is 4 weeks on, 4 weeks off to prevent tachyphylaxis, though continuous daily use has been studied in clinical trials for up to 14 days with good tolerability[2]. Some practitioners recommend administering 5 days per week with 2-day breaks[3].
Reconstitution Steps
- Draw 3.0 mL bacteriostatic water with a sterile syringe (same volume for both vial sizes).
- Inject slowly down the vial wall; avoid foaming.
- Gently swirl/roll until dissolved (do not shake vigorously as peptides are delicate).
- Label with reconstitution date and refrigerate at 2–8 °C (35.6–46.4 °F), protected from light.
Supplies Needed
Plan based on an 8–16 week protocol with 4-week cycles and gradual titration at 500 mcg/day.
| Item | Selank 5mg Vials | Selank 10mg Vials |
|---|---|---|
| Peptide Vials (8 weeks: one 4-week cycle) |
≈ 5 vials | ≈ 2 vials |
| Peptide Vials (12 weeks: 1.5 cycles) |
≈ 7 vials | ≈ 4 vials |
| Peptide Vials (16 weeks: two complete cycles) |
≈ 10 vials | ≈ 5 vials |
| Bacteriostatic Water (per vial reconstitution) |
3.0 mL each | 3.0 mL each |
| Insulin Syringes (U‑100) |
56 syringes (8 weeks) 84 syringes (12 weeks) 112 syringes (16 weeks) |
56 syringes (8 weeks) 84 syringes (12 weeks) 112 syringes (16 weeks) |
| Alcohol Swabs (2 per injection) |
112 swabs (8 weeks) 168 swabs (12 weeks) 224 swabs (16 weeks) |
112 swabs (8 weeks) 168 swabs (12 weeks) 224 swabs (16 weeks) |
Protocol Overview
Concise summary of the once‑daily anxiolytic/nootropic regimen.
- Goal: Support reduction of anxiety and neurasthenia symptoms while providing anti-asthenic (energy-boosting) benefits[1][2].
- Schedule: Daily subcutaneous injections for 4-week cycles with 4-week breaks (8–16 weeks total protocol).
- Dose Range: 300–500 mcg daily with gradual titration.
- Reconstitution: 3.0 mL per vial for accurate unit measurements.
- Storage: Lyophilized frozen; reconstituted refrigerated; avoid repeated freeze–thaw.
Dosing Protocol
Suggested daily titration approach.
- Start: 300 mcg daily for weeks 1–2; clinicians treating cognitive or anxiety issues often begin at this level[3].
- Target: 500 mcg daily by weeks 3–4 if lower doses are well-tolerated.
- Frequency: Once per day (subcutaneous); some protocols use 5 days per week with 2-day breaks[3].
- Cycle Pattern: 4 weeks on, 4 weeks off to prevent tachyphylaxis; repeat as needed.
- Timing: Any consistent time; rotate injection sites to prevent irritation.
Storage Instructions
Proper storage preserves peptide quality.
- Lyophilized: Store at −20 °C (−4 °F) for long-term stability (several months); refrigeration at 2–8 °C (35.6–46.4 °F) acceptable for shorter periods[10].
- Reconstituted: Refrigerate at 2–8 °C (35.6–46.4 °F); stable for approximately 1 month with minimal potency loss[10]. Prepare aliquots if needed and avoid freeze–thaw cycles.
- Allow vials to reach room temperature before opening to reduce condensation and moisture uptake.
Important Notes
Practical considerations for consistency and safety across both vial sizes.
- Use new sterile insulin syringes for each injection; dispose in a sharps container immediately after use[9].
- Rotate injection sites (abdomen, thighs, upper arms) systematically to reduce local irritation and prevent tissue changes[7].
- Inject slowly and steadily; wait a few seconds before withdrawing the needle.
- Document daily dose, timing, and site rotation to maintain consistency throughout the protocol.
- Multi-use bacteriostatic water vials should be dated upon opening and discarded within 28 days[9].
- For 10mg vial doses ≤10 units, consider using 30‑ or 50‑unit insulin syringes for improved measurement accuracy.
How This Works
Selank is a synthetic analog of the immunomodulatory peptide tuftsin, consisting of the sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro. In Russian clinical trials for anxiety disorders and neurasthenia, intranasal Selank produced anxiolytic effects comparable to benzodiazepines while also providing anti-asthenic (energy-boosting) benefits without sedative side effects or dependence potential[1][2]. Preclinical studies in primates demonstrated that intranasal Selank eliminated fear and anxiety behaviors with long-term stabilizing effects on neurobehavior[4]. Rodent studies confirmed robust anxiolytic efficacy comparable to classical tranquilizers[5]. While most published human data utilized intranasal dosing (the original formulation), subcutaneous administration has shown effectiveness in research settings with consistent absorption and ease of dose measurement[3]. A 14-day continuous course was well-tolerated and effective in human trials[2].
Potential Benefits & Side Effects
Observations from clinical and preclinical literature.
- Produces anxiolytic effects comparable to benzodiazepines in human clinical trials without sedation or dependence risk[1].
- Provides anti-asthenic (energy-boosting) benefits alongside anxiety reduction[2].
- Induces lasting neurobehavioral changes; primate studies showed elimination of fear/anxiety behaviors with long-term stabilizing effects[4].
- Generally well tolerated in clinical studies; a 14-day continuous course was well-tolerated and effective in human trials[2].
- Occasional mild injection-site reactions (redness, minor irritation) may occur with subcutaneous administration; proper site rotation minimizes this risk.
- Lacks sedative side effects typical of classical anxiolytics, allowing for daytime use without impairment[1].
- Has been explored at higher doses for experimental applications such as attenuating opioid withdrawal symptoms, indicating a wide therapeutic range[5].
Lifestyle Factors
Complementary strategies for optimal cognitive and anxiolytic outcomes.
- Maintain consistent sleep hygiene and aim for 7–9 hours of quality sleep to support neurological function and stress resilience.
- Incorporate regular physical activity; both aerobic exercise and resistance training support mood regulation and cognitive performance.
- Practice stress-management techniques such as mindfulness, meditation, or breathwork to complement Selank's anxiolytic effects.
- Support nutritional status with adequate protein, omega-3 fatty acids, and micronutrients essential for neurotransmitter synthesis.
- Minimize alcohol and stimulant use, which can interfere with anxiety management and neurological stability.
Injection Technique
General subcutaneous guidance from clinical best-practice resources[7][8].
- Wash hands thoroughly and prepare a clean work surface.
- Clean the vial stopper with an alcohol swab; allow to dry completely.
- Draw the appropriate volume into a sterile insulin syringe; remove air bubbles by flicking the syringe and expelling air.
- Clean the injection site with a fresh alcohol swab; allow skin to dry to prevent stinging.
- Pinch a skinfold of subcutaneous tissue; insert the needle at 90° into the subcutaneous layer[7].
- Do not aspirate for subcutaneous injections; inject slowly and steadily[8].
- Withdraw the needle straight out after injection; apply gentle pressure if minor bleeding occurs.
- Dispose of the used syringe immediately in an appropriate sharps container; never reuse needles or syringes[9].
- Rotate sites systematically (abdomen at least 2 inches from navel, front/outer thighs, upper arms) to avoid lipohypertrophy[7].
Recommended Source
We recommend Shop Peptides Direct for high‑purity Selank in both vial sizes (5mg and 10mg).
Why Shop Peptides Direct?
- High‑purity, third‑party‑tested lots with batch Certificates of Analysis (COAs).
- Consistent, ISO‑aligned handling and comprehensive documentation.
- Reliable fulfillment with proper cold‑chain management to maintain peptide integrity.
- Transparent sourcing and quality control procedures for research-grade peptides.
Important Note
This content is intended for therapeutic educational purposes only and does not constitute medical advice, diagnosis, or treatment. Selank is for research use only and not intended for human consumption. Always consult qualified healthcare professionals before considering any peptide therapy.
References
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PubMed — Clinical trial of Selank for generalized anxiety disorder (intranasal, human study)
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PubMed — Selank for neurasthenia: 14-day clinical trial demonstrating anxiolytic and anti-asthenic effects (human study)
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Hindawi BioMed Research — Intranasal Selank administration review: neurobehavioral effects and clinical applications (review article)
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Springer — Primate studies: intranasal Selank eliminates anxiety behaviors with long-term effects (preclinical)
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Springer — Selank attenuates opioid withdrawal symptoms in animal models (preclinical dosing study)
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CDC — Vaccine administration best practices: subcutaneous injection technique and site selection
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Cleveland Clinic — Subcutaneous injection guide: technique, sites, and rotation principles
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NCBI Bookshelf — Clinical procedures: injection preparation, aseptic technique, and administration standards
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CDC — Injection safety guidelines: single-use devices, sharps disposal, and preventing unsafe practices
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NIBSC — Peptide storage guidelines: lyophilized and reconstituted stability considerations
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