§ 01 Overview
Overview
Synthetic tuftsin analog with anxiolytic and immunomodulatory effects, developed as a non-benzodiazepine alternative.
Russian clinical use for generalized anxiety. Limited Western data.
§ 02 Mechanism
Mechanism of action
Selank modulates GABAergic tone, expression of BDNF, and enkephalin metabolism. It produces anxiolytic effects without sedation or dependence in animal and early human studies.
- 01Anxiety reduction without sedation
- 02Improved stress resilience
- 03Modest nootropic effects
§ 03 Dosing
Dosing protocol
Standard Protocol
- Vial
- 5 mg
- BAC Water
- 1 ml BAC water
- Dose Range
- 250 – 900 mcg per dose
- Starting Dose
- 300 mcg intranasal
- Route
- Intranasal
- Timing
- AM or during stress
- Frequency
- Daily
- Cycle
- 2–4 weeks
§ 04 Evidence
Evidence & research
Russian clinical use for generalized anxiety. Limited Western data.
FDA Status
Not FDA-approved.
§ 05 Stacks
Common stacks
§ 06 News
In the news
2 articles from the last 12 months · updates hourly
Nootropics, Neurohacking and the Science of Cognitive Peptides: What Researchers Are Actually Finding - Programming Insider
Nootropics, Neurohacking and the Science of Cognitive Peptides: What Researchers Are Actually Finding Programming Insider
People Aren’t Just Injecting Peptides—They’re Snorting Them, Too - Vogue
People Aren’t Just Injecting Peptides—They’re Snorting Them, Too Vogue
§ 07 Sourcing
Sourcing & supply
Regulatory status
Restricted from compounding
Placed on the FDA's 503A Category 2 list and cannot be lawfully compounded in the US. No brand pharmacy alternative exists. US buyers encounter only research-use-only (RUO) channels, which the FDA's Intended Use Doctrine treats as unapproved drug sales.
International · 3
Cosmic Nootropic
The most credible Russian / Khavinson source for US buyers. Sources authentic bioregulators through 'Peptides Company' (ex-NPCRIZ).
Rupharma
12+ year Russian pharmacy reseller. Reviews.io 4.84/5 (81+). Has a genuine US warehouse for common peptides.
Trident Peptides
1,299+ Trustpilot reviews (5-star). Strongest review base in UK research peptides. No visible ISO/GMP; COAs not posted.
Research-use-only · 4
Swiss Chems
Established SARMs/peptide vendor. FDA warning letter Dec 2024 for GLP-1s. Weaker peptide QC than SARMs QC.
Limitless Life Nootropics
'Only BBB-accredited peptide company' (since 2020). Claims three-lab third-party testing. Broad catalog.
Core Peptides
Broad catalog, widest payment range. Mid-credibility: Knoji 2.5/5 and one scam-impersonation report.
Modern Aminos
Multi-vial batch third-party testing. 5-star Trustpilot (1,400+ reviews). US- and EU-facing.
Listings are informational, not endorsement. Verify credentials and flags against FDA and PCAB databases before purchasing. Full directory & how to verify →
§ 09 Safety
Safety & side effects
Side effects
- 01Mild nasal irritation
Contraindications
None specified.