Selank
A nootropic peptide for anxiety relief, focus, and mental clarity. Selank is a synthetic neuropeptide derived from tuftsin with anxiolytic and nootropic properties. Developed in Russia for anxiety and cognitive enhancement. Studied for mood regulation, memory, and immune modulation without sedative effects.
Key Characteristics
- Length: 7 amino acids(Heptapeptide based on tuftsin.)
- Origin: Tuftsin derivative(Modified immune peptide.)
- Administration: Intranasal(Commonly used as nasal spray.)
- Primary Use: Anxiety/cognition(Anxiolytic and nootropic effects.)
Overview
Core Benefits
Key AdvantagesThese are educational summaries of commonly discussed effects in wellness/regenerative contexts, not guarantees.
Selank Results Timeline
ProgressionTimeline is illustrative and non-guaranteed. Outcomes vary and are commonly discussed alongside training, nutrition, sleep, and cycling practices.
How It WorksNootropic Peptide — Anxiolytic / Immune Modulator
Target → GABAergic Modulation → Anxiety Reduction → Outcomes
GABA-A Receptors + Immune System (Tuftsin-Derived)
Selank is a synthetic analog of the immune peptide tuftsin with added anxiolytic properties. It modulates GABA-A receptor activity (the same system targeted by benzodiazepines, but without sedation or dependence) and retains tuftsin's immune-modulating effects.
GABAergic Modulation + Enkephalin Stabilization
Selank enhances GABA signaling (calming), stabilizes enkephalins (natural stress buffers), and modulates serotonin metabolism. This multi-pathway action produces anxiolytic effects without the cognitive impairment or addiction risk of benzodiazepines.
Reduced Anxiety + Immune Balance
Anxiety reduction without sedation. Improved stress resilience. Enhanced immune cell function (from the tuftsin backbone). Monoamine metabolism normalization supports mood stability.
Calmer Baseline → Clearer Thinking → Better Stress Response
Reduced baseline anxiety and reactivity to stressors. Mental clarity improves as a secondary effect of reduced anxiety (not a direct cognitive enhancer like Semax). No drowsiness or cognitive impairment. Effects often noticeable within 30-60 minutes.
What Makes This Peptide Different
Selank is uniquely positioned as an anxiolytic without sedation or dependence. While Semax is its "cognitive sibling" (focus and drive), Selank targets anxiety and calm. Its dual nature — anxiolytic + immunomodulatory — comes from its tuftsin backbone. The NA-Selank-Amidate version has enhanced bioavailability and duration.
Top Selank Vendors
Dosing ProtocolCognition / Anxiety
Educational reference only. Individual responses vary. Consult healthcare provider before use.
Why This Dosing Protocol
Why 2-3x per week (maintenance)? For ongoing anxiety management, intermittent dosing prevents tolerance while maintaining baseline effects. Daily dosing is used for acute anxiety periods.
Diagrams
Reconstitution Calculator
Dilution math and unit conversions. Prefilled using a common vial size for this peptide.
Open calculatorEducational Videos
How to Reconstitute Peptides
Handling
Educational overview on storage, labeling, and traceability considerations for lab environments. Consult primary literature and vendor documentation for specifics.
- Freezer (-20°C): 1+ year
- Refrigerator (2-8°C): 1-3 months
- Room temperature: 2-3 weeks (emergency only)
- MUST refrigerate at 2-8°C
- 4-week maximum shelf life
- NEVER freeze after reconstitution
- Use bacteriostatic water for multi-dose
Storage & Handling Guide
Learn proper storage temperatures, shelf life timelines, reconstitution best practices, and travel tips for lyophilized and reconstituted peptides.
FAQ
What are Selank's primary effects?
Selank is studied for anxiolytic (anti-anxiety) and nootropic (cognitive-enhancing) effects. Developed in Russia, it's a synthetic analog of tuftsin. It may help with mood regulation, memory, and immune modulation without the sedative effects of traditional anti-anxiety medications.
How does Selank work?
Selank modulates GABA, serotonin, dopamine, and norepinephrine systems. It influences the expression of brain-derived neurotrophic factor (BDNF) and affects enkephalin metabolism. Unlike benzodiazepines, it doesn't directly bind GABA receptors, so it provides anti-anxiety effects without sedation or dependence risk.
What is tuftsin and how does Selank relate to it?
Tuftsin is a naturally occurring tetrapeptide that stimulates immune function. Selank is tuftsin with an additional glyproline sequence attached (Thr-Lys-Pro-Arg-Pro-Gly-Pro). This modification gives Selank enhanced stability and adds the neurotropic/anxiolytic effects not present in tuftsin alone.
How is Selank administered?
Selank is most commonly administered as a nasal spray for brain-targeted effects. It can also be injected subcutaneously. Typical nasal dosages range from 200-600 mcg per day, often divided into 2-3 doses. Effects are usually felt within 15-30 minutes of intranasal administration.
Does Selank help with anxiety?
Yes, Selank has demonstrated anxiolytic effects in both animal and human studies. It's approved in Russia for anxiety and is comparable to benzodiazepines in effectiveness but without sedation, cognitive impairment, or addiction potential. Users report feeling calmer and more focused without the "drugged" feeling.
Can Selank improve cognitive function?
Research suggests Selank can enhance memory, learning, and mental clarity. It increases BDNF expression, which supports neuroplasticity. Users often report improved focus, better information retention, and clearer thinking. It's sometimes used by students and professionals for cognitive enhancement.
Does Selank have immune effects?
Yes, through its tuftsin component, Selank has immunomodulatory properties. It can enhance immune cell activity and has shown antiviral effects in some studies. This dual action (anxiolytic + immune) makes it unique among anti-anxiety compounds and potentially useful when stress is affecting immune function.
What are the side effects of Selank?
Selank is generally very well-tolerated. Possible side effects include mild nasal irritation (with spray), occasional headache, and fatigue in some users. It does not cause sedation, cognitive impairment, or withdrawal symptoms associated with traditional anxiolytics. Most users report no significant side effects.
How long does reconstituted peptide last?
Once mixed with bacteriostatic water, peptides remain stable for up to 4 weeks when refrigerated at 2-8°C (36-46°F). Unopened powder can last 1+ year in the freezer. Get our complete Storage & Travel Guide.
Is this peptide legal to purchase?
Peptides sold "for research purposes only" are legal to purchase in the US, but are not FDA-approved for human use outside of specific medical applications. Always consult a healthcare provider before use.
New to peptides?
Take our Peptide Match tool to find the best peptide for your goals. You can also read our Complete Guide to Peptides to learn the basics.
Selank Research Articles
Selank Dosing: 1mg SubQ, 2-3x/Week Protocol
1mg twice weekly delivers clean anxiolytic effects without daily dosing. Covers SubQ protocol, 8-week cycling, and Semax stacking.
guidesOxytocin Dosing: 50mcg SubQ, As Needed
Same molecule as Pitocin, completely different protocol. Covers SubQ dosing, 3-puff nasal technique, and clinical research doses.
guidesBrain Fog Supplements: 3 That Actually Work
Most focus supplements are caffeine in disguise. Three research compounds target BDNF directly — one works within 30 minutes.
resultsSelank Results: Week-by-Week Timeline
Anxiety relief starts within hours — but immune and mood benefits take weeks. Full timeline from first dose through month 2.
Scientific Sources
The following peer-reviewed studies and official resources provide additional scientific context for this peptide:
Disclosure: we may earn affiliate commission from qualifying purchases. Educational information only — not medical advice.

