Cognitive
Selank
Thr-Lys-Pro-Arg-Pro-Gly-Pro (Tuftsin Analog)
Evidence tier: Human trials in Russia (anxiety, generalised anxiety disorder). Limited Western data.
| Molecular weight | 751.9 Da |
| Molecular formula | C33H57N11O9 |
| CAS number | 129954-34-3 |
| Half-life | ~2 minutes (plasma); prolonged CNS effects |
| Administration | intranasal |
| Research dose | 200–300 µg/day intranasal |
Amino Acid Sequence
Thr-Lys-Pro-Arg-Pro-Gly-Pro
Primary Mechanism
GABA modulation, serotonin and dopamine regulation, enkephalin stabilisation
Studied For
anxiety reductioncognitive enhancementstress resilienceimmune modulation
Reconstitution
Typically supplied as a pre-made nasal solution (0.15%). Store refrigerated.
Storage
Refrigerate at 2–8°C. Stable for several months.
Notes
Synthetic analog of tuftsin. Registered in Russia for anxiety and asthenic disorders. Often paired with Semax (anxiolytic + focus).
This page contains affiliate links. If you purchase through these links, I may earn a commission at no extra cost to you.
These products are sold for research purposes only and are not intended for human consumption.