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Selank - 10 mg
Cognitive & Nootropic

Selank

Anxiolytic and nootropic peptide — benzodiazepine-equivalent calm without sedation or dependency.

$70.00
99.97% Purity Verified

Third-Party Tested by Verum Analytics

Batch: BIL-SEL-01-2602Feb 4, 2026
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Albert - Chief Researcher

Albert's Verdict

Selank's anxiolytic profile without sedation is what makes it stand out in the cognitive category. The BDNF upregulation data suggests it's doing more than modulating GABA — there's a genuine neuroprotective signal worth studying.

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Arrives as lyophilized (powder) form

Shipped freeze-dried for maximum stability and shelf life. See laboratory preparation guide for handling instructions.

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Product Description

Selank is a synthetic heptapeptide analog of the naturally occurring immune peptide tuftsin, developed by the Russian Academy of Sciences. It has been extensively studied for its ability to reduce anxiety, sharpen cognition, and modulate the immune system — without the sedation, tolerance, or withdrawal seen with traditional benzodiazepines.

Clinical trials with 62+ patients showed anxiolytic effects comparable to medazepam with additional benefits: BDNF upregulation, cognitive enhancement, immune modulation (CD4+/CD8+ normalization), enhanced NK cell activity, and neuroprotective effects. A staple of anxiety and cognitive-performance research. For research use only. Not for human or veterinary consumption.

Customer Reviews

Verified research purchases

5.0(6 reviews)
Nathan W.Verified
2 weeks ago

High quality product

The purity is exactly what they claim. I verified the COA on the lab's website and it checked out. Fast shipping too.

56 people found this helpful
Rachel T.Verified
1 month ago

Consistent quality every time

I've ordered multiple times and the quality is always the same. That consistency is important to me. Great supplier.

42 people found this helpful
Chris B.Verified
3 weeks ago

Excellent product

Clean product, proper packaging, fast delivery. Everything you want from a supplier. Will definitely order again.

34 people found this helpful
Mark D.Verified
6 weeks ago

Professional from start to finish

From order to delivery, everything was handled professionally. The product arrived properly packaged with all documentation included.

28 people found this helpful
John K.Verified
1 week ago

Trusted source

Quality is non-negotiable for me and BioInfinity delivers. The verifiable COA and third-party testing give me confidence.

47 people found this helpful
Linda K.Verified
4 weeks ago

Verifiable testing

The independent lab verification from Verum Analytics is a big plus. I verified the COA myself and it checked out. That transparency matters.

39 people found this helpful

Frequently Researched Together

Commonly studied alongside in laboratory settings

Bundle total (3 items):$370.00

Verified reviews — Selank

1 verified buyer

5.0 / 5
Gary K.Verified buyer
Jun 11, 2026
Excellent product & service

Bioinfinty definitely stand behind their product. Have resolved any questions I've had. Product delivery is second to none. Very quick turnaround. Highly recommend using Bioinfinity.

Reviews are submitted by verified buyers via per-order tokenized links. Reviews are evaluated for product-focused content; any review containing therapeutic claims (cured, treats, healed, etc.) may be edited or hidden to maintain compliance with FDA and platform guidelines.

Research Use Only: This product is intended for laboratory research purposes only. Not for human consumption.

Research summary

Selank — clinical & mechanistic profile

Selank is a synthetic heptapeptide analog of tuftsin with additional glyproline residues, developed in Russia and investigated for anxiolytic, nootropic, neuroprotective, and immunomodulatory effects through GABAergic and neurotransmitter system modulation.

Research status

mixed

Sequence

Thr-Lys-Pro-Arg-Pro-Gly-Pro

Molecular weight

751.88 g/mol

Molecular formula

C33H57N11O9

Studied applications

  • Anxiolytic effects: demonstrates activity comparable to low-dose benzodiazepines without sedation or dependence
  • GABAergic modulation: allosterically affects GABA-A receptors, increasing GABA binding affinity
  • Nootropic research: studied for cognitive enhancement, memory, and attention effects
  • Immunomodulation: influences IL-6 expression, T helper cell balance, and enkephalin stabilization as tuftsin analog
  • BDNF elevation: rapidly increases brain-derived neurotrophic factor in hippocampus

Mechanisms of action

  • GABA-A receptor allosteric modulation: increases GABA binding affinity, mimicking benzodiazepine-like actions without side effects
  • Enkephalin system: inhibits enkephalin-degrading enzymes, increasing leu-enkephalin half-life
  • Serotonin/dopamine modulation: affects monoaminergic neurotransmission in mood and anxiety circuits
  • BDNF upregulation: rapidly elevates brain-derived neurotrophic factor for neuronal health
  • Hypocretin gene expression: normalizes sleep-wake balance through Hcrt gene modulation
  • Tuftsin receptor interaction: modulates immune function through tuftsin pathway activation
Research constraints & safety notes
  • Approved only in Russia—not FDA approved or available by prescription in Western countries
  • Limited Western clinical data—most research from Russian institutions
  • Intranasal administration primarily studied—other routes less characterized
  • Long-term safety data limited even in approved jurisdiction
  • Independent replication of findings in Western laboratories is sparse

Peer-reviewed references

  1. Uchakina ON, et al. — Selank immunomodulatory mechanismsPMID: 19515342View
  2. Semenova TP, et al. — Selank GABA system interactions (2017)PMID: 28643444View
  3. Zozulia AA, et al. — Selank clinical anxiolytic studiesPMID: 18454096View
  4. Selank effects on neurotransmitter systemsPMID: 27403905View
  5. Selank positive allosteric modulation of GABA_A receptorsPMID: 30255741View

For research use only. This summary is a research-scientific overview compiled from peer-reviewed sources. It is not medical advice and is not intended for human or veterinary consumption.