Compound dossier · evidence, sources, and live market
Selank
Nootropic peptide Limited evidence 3 cited studies 90 live vendors
Selank is a synthetic heptapeptide (Thr-Lys-Pro-Arg-Pro-Gly-Pro) derived from the endogenous peptide tuftsin. It exists as a research-use-only (RUO) compound and has been examined in laboratory and preclinical models within research on anxiety-related and cognition-related behavior. It is frequently referenced alongside Semax in preclinical peptide literature. This index tracks research-use-only vendor pricing for Selank so researchers can compare cost across suppliers.
Evidence brief
Selank is a synthetic heptapeptide (an analogue of the immune peptide tuftsin) studied mainly in animal models as an anxiolytic, with a few small human studies.
first-party prices captured 37m ago
Compare by exact vialThe small sealed glass container a compound ships in. size: 5mg (20 vendors)10mg (78 vendors)
Registered as a medicine in Russia; not approved by the FDA, EMA, or MHRA.Research use only — not medical advice.
These figures are what pepmg still publishes about price: the floor, the middle, the spread and how many sources we track, computed from listings we captured first-party and refreshed on the same schedule as always. We no longer publish the individual listings or the sellers behind them.
Computed from 104 in-stock listings across 90 sources we captured first-party, with bulk vials, blends and statistical outliers excluded so the figures compare like with like. The spread is the highest tracked price divided by the lowest — how much the same milligram varies depending on where you look. The chart is the daily minimum; days we did not capture are left out rather than filled in.
- What the research says about Selank Limited evidence
Selank is a synthetic heptapeptide (an analogue of the immune peptide tuftsin) studied mainly in animal models as an anxiolytic, with a few small human studies.
Read the full review →
- Selank Administration Affects the Expression of Some Genes Involved in GABAergic Neurotransmission PubMed ↗
Clinical studies have shown the similarity of the spectrum of physiological effects of Selank and classical benzodiazepines, such as diazepam and phenazepam. These data suggest that there is a similar basis of their mechanism of action. To…
- Selank, Peptide Analogue of Tuftsin, Protects Against Ethanol-Induced Memory Impairment by Regulating of BDNF Content in the Hippocampus and Prefrontal Cortex in Rats PubMed ↗
The effects of a peptide anxiolytic Selank synthesized on the basis of the endogenous peptide tuftsin on memory impairment and content of brain-derived neurotrophic factor (BDNF) in brain structures were analyzed in outbred rats receiving…
- The Influence of Selank on the Level of Cytokines Under the Conditions of "Social" Stress PubMed ↗
It was previously thought that inflammation and an immune response were the only factors capable of causing IL-1β, IL-6 and other cytokine`s production. In recent years data have appeared that stressful effects can also occupy an important…
A few representative studies, each summarized on this site with the PubMed record linked beside it — not an endorsement or a claim that any result applies to human use. Read them and judge for yourself. Everything here is research use only.
▸ Why compare $/mg for Selank?
Per-mg pricing for Selank varies across vendors because of differences in synthesis scale, stated purity, lot testing overhead, fill quantity per vial, and how each supplier prices bulk versus single units. Comparing normalized $/mg across vendors lets a researcher see the true cost of the material rather than the headline vial price, and flags outliers that may reflect lower purity or unverified sourcing.
▸ Reading the COA
For Selank, confirm identity by mass spectrometry against the expected monoisotopic mass for the heptapeptide sequence (Thr-Lys-Pro-Arg-Pro-Gly-Pro, C33H57N11O9, ~751.9 g/mol) and check that HPLC purity is stated at 98 percent or higher for the main peak. Because Selank is proline- and arginine-rich, watch for truncated or deletion sequences and residual TFA counterion from synthesis reported on the COA. Verify the lot number and test date on the certificate match the vial you received rather than a generic reference document. COA review is for confirming the identity and purity of the material only.
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