Selank gets grouped into "nootropic peptides" lists so often that its actual origin — as a tuftsin analogue built for anxiolytic and immune research — tends to get lost. This guide covers Selank on its own terms: what it is, where it comes from, what the literature actually studies it for, its price in India, and how to source a documented batch. If you're comparing it directly against Semax, our Semax & Selank nootropic peptides guide covers that side-by-side; this article goes deeper on Selank specifically.
- Selank is a synthetic heptapeptide analogue of tuftsin, originally developed in Russian research laboratories.
- It's studied mainly in anxiolytic, stress-response and immune-modulation research models — a different family from ACTH-derived peptides like Semax.
- At OMNIPOTENT it's HPLC ≥99% pure with a batch COA, from ₹6,999, with a 10 mg size and BAC-water bundles.
What is Selank?
Selank is a synthetic heptapeptide — a chain of seven amino acids — engineered as a stabilised analogue of tuftsin, a naturally occurring immunomodulatory peptide fragment of an immunoglobulin. Because it's built from tuftsin rather than from a hormone fragment, Selank sits in a different structural family from many of the other "brain" research peptides it's commonly listed alongside, including Semax.
Selank's origin — from tuftsin to a Russian research peptide
Selank traces back to Russian pharmacological research, where tuftsin analogues were investigated for their role in immune signalling and behavioural models. Over time, the compound became one of the more frequently referenced heptapeptides in that body of literature, and its "Russian research peptide" reputation has stuck ever since — it's frequently discussed in the same academic circles as Semax, N-acetyl Selank, and related tuftsin- and ACTH-derived analogues.
Where Selank appears in research
The bulk of the published research interest in Selank sits in three overlapping areas: anxiolytic (anxiety-related) behavioural models, stress-response physiology, and immune modulation — a direct extension of tuftsin's own immunological role. It's also referenced in some cognition-adjacent literature, though that's a secondary theme rather than its primary research identity. Researchers studying the peptide alongside GABAergic or HPA-axis models will frequently find Selank cited as a reference compound in that context.
Selank vs Semax — two different families
It's worth being precise about this because the two are so often bundled together commercially: Semax is derived from a fragment of ACTH (adrenocorticotropic hormone) and is studied mostly in cognition and neuroprotection models, while Selank is a tuftsin analogue studied mostly in anxiety and immune-modulation models. They're frequently referenced in the same papers and sold as a pair because both are short, stable Russian-origin research heptapeptides — not because they share a mechanism. If you want the two compared side-by-side in one place, see our dedicated Semax & Selank guide; we've also published a standalone deep-dive on Semax specifically.
Selank price in India
At OMNIPOTENT, Selank starts at ₹6,999 for a 5 mg vial, HPLC ≥99% pure with a COA. Larger sizes and a bacteriostatic-water bundle are available on the product page:
| 5 mg | ₹6,999 |
| 5 mg + 10 ml BAC water | ₹7,999 |
| 10 mg | ₹11,699 |
| 10 mg + 10 ml BAC water | ₹12,699 |
Reconstitution, storage & handling
Selank ships as a lyophilised powder in a sealed vial. It's reconstituted with bacteriostatic water for laboratory handling, then kept refrigerated and protected from light. Our step-by-step reconstitution guide covers the process, and our coaches are available free of charge after every order to walk through storage and handling questions.
Sourcing & verifying purity
Selank's short amino-acid chain makes batch consistency especially important — always confirm a batch-specific Certificate of Analysis rather than a generic purity claim. Our guide to verifying peptide purity and COAs explains exactly what to check before you buy, and our broader buyer's guide to research peptides in India covers sourcing fundamentals for any compound.
Selank and related tuftsin-family compounds
Selank is sometimes discussed alongside N-Acetyl Selank and other tuftsin-derived variants in the literature, each carrying slightly different modifications aimed at altering stability or receptor behaviour. OMNIPOTENT supplies standard Selank — the form most widely referenced in published research — rather than a proprietary variant, which keeps results comparable with the existing body of literature instead of introducing an unverified analogue into a study design.
As with any short heptapeptide, sequence fidelity during synthesis directly affects how consistently a batch performs across research runs. A single amino-acid substitution or truncation can meaningfully change binding behaviour, which is why HPLC purity testing alone isn't always sufficient — mass-spec identity confirmation, available on request with every OMNIPOTENT batch, verifies that the sequence itself is correct, not just that the sample is free of major impurities.
Researchers sourcing Selank for the first time often ask how shelf-life compares once reconstituted. As a general rule, lyophilised peptide powder is stable for extended periods when kept cold and protected from light, while reconstituted solution has a shorter practical window and should be refrigerated and used within the timeframe your protocol specifies. Our reconstitution guide and coaches can walk through the specifics for your setup.
Selank in the broader peptide research landscape
Tuftsin-derived compounds like Selank sit within a wider category of peptides studied for their role in modulating immune and stress-response systems, alongside structurally unrelated but thematically adjacent compounds such as BPC-157, which is studied in a different area of recovery-focused peptide research. Researchers building a broader immune- or stress-axis research panel often reference Selank as one data point within that larger picture rather than a stand-alone compound.
Selank
Tuftsin-analogue research heptapeptide, HPLC ≥99% with a batch COA. Free coach guidance, fast pan-India delivery.
Frequently asked questions
What is Selank studied for in research?
Selank is a synthetic heptapeptide analogue of tuftsin, studied in anxiolytic, stress-response and immune-modulation research models. It is supplied strictly as a reference compound for in-vitro laboratory research.
How is Selank different from Semax?
Selank is a tuftsin analogue studied mainly in anxiety and immune-modulation models, while Semax is an ACTH(4-10) analogue studied mainly in cognition and neuroprotection models. They come from different peptide families despite often being grouped together as "nootropic peptides."
How much does Selank cost in India?
Selank starts at ₹6,999 at OMNIPOTENT, HPLC ≥99% pure with a batch COA. A 10 mg size and a BAC-water bundle are also available.
What is the origin of Selank?
Selank was originally developed in Russian research laboratories as a synthetic analogue of tuftsin, a naturally occurring immunomodulatory peptide. This heritage is why it's still often referenced as a "Russian research peptide."
Do you provide a COA?
Yes, every Selank batch ships with a Certificate of Analysis confirming HPLC ≥99% purity.
⚠️ Research use only. All products referenced are supplied strictly as laboratory research chemicals / reference materials — not for human or veterinary use, not drugs, and not for diagnostic or therapeutic purposes. Nothing here is medical advice.
