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Peptide library › Cognitive & mood
Selank
Synthetic tuftsin analog studied as an anti-anxiety agent.
What people use it for
- Anxiety (Russia)
- Stress resilience and focus (popular use)
What Selank does in the body
Based on tuftsin, a small immune peptide. It appears to modulate GABA signalling and the breakdown of enkephalins (natural pain/mood peptides), producing calming effects without strong sedation in studies.
Strength of evidence
Limited: mostly small Russian studies.
Look up the evidence
- Reviews on PubMed: Summaries of the published research
- Clinical trials on PubMed: Published studies in people
- ClinicalTrials.gov: Registered trials, past and ongoing
- Prescribing information (DailyMed, US): Official US label
- Patient leaflets (emc, UK): Official UK product information
Live searches of official databases. New to the terms? See the glossary.
Reported side effects & risks
- Nasal irritation
- Fatigue
- Limited long-term data
Who should avoid it or take extra care
- Pregnant or breastfeeding
- Under 18
Not a complete list. Check with a doctor or pharmacist about your own health and medicines.
Regulatory status
Approved in Russia. Not approved in the US or EU.
How it's taken
Route: Nasal drops or spray
How long it lasts (half-life): Minutes in the blood
Keep track of Selank privately
Fiala is a free app for logging doses, tracking vials and setting reminders. No account, and everything you log stays on your phone.
Open Selank in Fiala How to installMore in Cognitive & mood
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- PinealonThree-amino-acid 'bioregulator' peptide from Russian research, promoted for brain health.
- CerebrolysinMixture of peptides from pig brain, used in some countries after stroke and brain injury.