For laboratory research use only — not for human or veterinary use. We ship to the US, Canada, Puerto Rico, and the British Virgin Islands.

NeuroCircadianImmunology

Selank

SK5 5mg

Heptapeptide studied in anxiolytic signaling, BDNF expression, and neuromodulation.

$49.99 USD

$49.99 per vial · 1 vial

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Opens the stored certificate for SK5 — it updates when you change size.

In stock · ships next business day

Certificate of analysis included with every order.

Tracked shipping in 3–5 days. Free over $200.

Research use only. Not for human consumption.

Certificate of analysis

5mg · SK5 · HPLC + MS

Purity (HPLC)

99.5%

Identity (MS)

Confirmed · 751.9 Da

Lab

Independent · 3rd party

Full chromatogram available in the COA shipped with your order.

Storage requirements

Stability Information

Avoid freeze/thaw cyclesProtect from lightKeep refrigerated

Lyophilized (powder)

-20°C

24+ months

Reconstituted

2–8°C

~30 days

  • Store lyophilized powder vials in the freezer when possible.
  • After reconstitution, refrigerate at 2–8°C and protect from light and heat.
  • Use within a typical research handling window after mixing. Swirl gently — never shake.
  • Use sterile technique during reconstitution. For laboratory research use only.

Selank FAQ

What is Selank?

Heptapeptide studied in anxiolytic signaling, BDNF expression, and neuromodulation. One Plus supplies Selank 30mg as a lyophilised powder for in vitro and laboratory research use only.

What purity is One Plus Selank?

The current batch (SK) assays at 99.5% purity by reverse-phase HPLC, with identity confirmed by mass spectrometry at 751.9 Da. A batch-specific third-party certificate of analysis is available on request.

How should Selank be stored?

Keep the lyophilised vial sealed, dry, and protected from light at -20°C for long-term storage or 2–8°C for short working periods. After reconstitution, refrigerate at 2–8°C and avoid repeated freeze–thaw cycles.

How is Selank reconstituted?

Add bacteriostatic water slowly against the vial wall and swirl gently until fully dissolved — do not shake or vortex, as mechanical shear can degrade the peptide.

Is Selank approved for human use?

No. Selank is sold strictly for in vitro and laboratory research. It is not for human or veterinary use, not for use in diagnostic procedures, and has not been evaluated by the U.S. Food and Drug Administration.

Does One Plus ship Selank with a COA?

Yes. Every batch is released against a third-party certificate of analysis reporting HPLC purity and mass-spectrometry identity. Reference the batch code SK printed on your vial when requesting the document.

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