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View the Selank penPre-filled peptide pen
Selank 15 mg peptide pen
The anxiolytic-track tuftsin analogue from Russian research at fifteen milligrams, in the injectable format, its spray twin sits one shelf over.
€ 95incl. VAT
In stock · dispatched within 24 h
- ISO-certified laboratory
- COA per batch, ≥99% HPLC
- Discreet dispatch within 24 h
- Research use only
FormatPre-filled pen with peptide in solution
Content15 mg
Purity≥ 99% (HPLC)
SKUPOL-SELANK-PEPTIDE-PEN-15MG
This product
The calm half of the Russian pair
Selank extends the immune tetrapeptide tuftsin with the same stabilising tail semax carries, parallel engineering from the same Moscow institute, pointed at anxiety-track research where semax points at cognition. Registered in Russia, unreviewed elsewhere, exactly as the compound page frames it.
The pen version serves protocols standardising on the subcutaneous route; at seven residues the compound also supports mucosal delivery, which is why a spray twin exists. Route logic lives on the spray-versus-injection comparison.
| Compound | Selank |
| Content | 15 mg, pre-filled |
| Derived from | Tuftsin + PGP tail |
| Purity | ≥ 99% (HPLC) |
| Regulatory status | Registered in Russia only |
| Twin format | Nasal spray, 10 mg |
| Category | Research use only |
Pen and spray carry the same compound, the route, not the molecule, is the decision.
Handling
Before the Selank 15 mg peptide pen reaches the bench
Ordinary pen rules for an ordinarily robust sequence.
The threads
From the threads, to the logbook
The calm this compound gets credited with online is not quite the calm the studies measured.
Selank arrives online wrapped in confident first-person reports, steadier nerves, sharper focus, a clean calm without sedation. The bench version is more sober. The tuftsin-derived heptapeptide does have a genuine literature behind its anxiolytic-track reputation, but most of it is Russian-language animal and early clinical work conducted under a regulatory tradition that never sought Western review, a thinness visible in the selank record indexed on PubMed. Translating a forum testimonial into a controlled protocol means dropping the adjectives and asking what was actually measured, in which model, at what quantity, questions the anecdote never had to answer.
What changes when you buy selank pen material is the standard of proof. The pen is fifteen milligrams of the heptapeptide and a subcutaneous route, chosen for delivery certainty; the separate nasal-spray format answers a different route question and is not this page. On the bench you tie each session to the batch certificate, define your endpoint before you start, and treat the Russian registration as context rather than endorsement. The forum reports a feeling; the logbook records a measurement, and only one of them travels.
Cold chain
The fridge rhythm, from arrival on
A peptide in solution keeps its word only as long as the temperature keeps its own.
Selank ships cold for a reason: a peptide held in solution degrades faster warm, and a pen is a cartridge of solution by design. On arrival it goes straight to refrigerator temperature, roughly two to eight degrees, and stays there between sessions, not on a bench. Freezing is the other extreme to avoid, since ice crystals can shear a peptide the way heat unfolds it. None of this is exotic for the heptapeptide; it is simply the difference between fifteen intact milligrams and fifteen that drift off-spec.
The clock that matters most starts at first use. A sealed pen kept cold keeps the long shelf life you would expect, but once the seal is broken and the cartridge meets air and repeated needle changes, the usable window shortens to weeks rather than months. Note the date it was first opened somewhere you will actually see it, and let that mark, not the printed expiry, decide when the material is retired, as the shelf-life page recommends. Fifteen milligrams is generous, so the constraint is rarely quantity, it is time and temperature.
Often ordered together
Twin and sibling
The same compound as a spray, and the cognition-track sibling.
Read first
The science behind Selank
Origin, sibling, route, three short reads.
Questions
Questions about the Selank 15 mg peptide pen
Pen-versus-twin and provenance.