Spend $150 for Free Shipping!Shop Now
Next Gen Peptides Selank product image 1
$56.00

Out of Stock

Enter your email and we'll notify you when this item is back in stock.

Bulk Options:

Select quantity · 10mg / Vial

Research Use Only: The statements made within this website have not been evaluated by the US Food and Drug Administration. These materials are not intended to diagnose, treat, cure, or prevent any disease. All products are for laboratory research and development use only, and are not intended for human use.
VisaAmerican Express
U.S. delivery available

Selank / N‐Acetyl Selank Amidate Research Overview

Selank is a synthetic heptapeptide analogue of the endogenous immunomodulatory peptide tuftsin, designed as a nootropic and anxiolytic research peptide with activity at neuroimmune and neuromodulatory pathways. N‐Acetyl Selank Amidate builds on this scaffold with N‐terminal acetylation and C‐terminal amidation to enhance potency, metabolic stability, and blood–brain barrier permeability in experimental systems.

Molecular Mechanistic Profile

  • Mechanistically, Selank and NA‐Selank have been associated with:

  • Modulation of GABAergic transmission and gene expression networks related to neuropeptide signaling, including changes in BDNF expression in hippocampus.

  • Regulation of monoamine neurotransmitters (serotonin, dopamine, norepinephrine) and neuropeptides such as enkephalins, partly via inhibition of peptidases that degrade endogenous regulatory peptides.

  • Immunomodulatory effects inherited from tuftsin, including altered IL‐6 expression, T‐helper cell balance, and broader neuroimmune interactions.

N‐Acetyl Selank Amidate improves on native Selank with increased potency, longer half‐life, and better BBB crossing, amplifying these central and immune‐related actions in preclinical models.

Integrated Research Applications

  • Selank‐class peptides are used across neurocognitive and neuroimmune research:

  • Anxiety and stress models: Assessment of anxiolytic‐like effects, stress resilience, and modulation of stress‐induced impairments in learning and memory.

  • Cognitive and nootropic studies: Evaluation of memory consolidation, attention, and learning under baseline and stress conditions, often in rodent paradigms.

  • Neuroprotection and pain: Investigation of how Selank influences enkephalin degradation, pain perception, and CNS resilience to disease and trauma.

  • Hepatic and systemic protection: Patents describe hepatoprotective applications where Selank reduces cytolysis, metabolic disturbances, and structural liver damage in toxin models.

    N‐Acetyl Selank Amidate is positioned as a next‐generation variant to explore these same domains with enhanced central activity and pharmacokinetic stability.

Analytical Validation, Formulation, and Storage

  • Research Selank and NA‐Selank formulations are typically supplied as lyophilized powder (e.g., 10 mg vials) at high purity.

  • Purity: ≥98–99% by HPLC.

  • Appearance: White powder suitable for reconstitution with bacteriostatic water under sterile conditions.
    Product‐care and storage:

  • Store vials in a cool, dry place away from light while lyophilized.

  • After constitution, refrigerate the solution. For longer‐term storage, freezing at approximately −20 °C is recommended to maintain integrity

NextGenPeps supplies Selank as a high-purity research peptide intended solely for laboratory use in vitro or in approved non-human experimental models. Selank is not approved as a pharmaceutical or dietary substance and is not manufactured or distributed for human consumption, self-experimentation, or clinical application.

Chemical Properties

Molecular Formula
C₃₃H₅₇N₁₁O
Molecular Weight
751.87–751.88
Peptide Length
7 amino acids

Frequently Asked Questions

Common Research Questions

What is Selank’s primary mechanism in CNS research?

Selank modulates GABAergic signaling, monoamine neurotransmitters, enkephalin metabolism, and BDNF expression, collectively supporting anxiolytic and pro‐cognitive effects in preclinical and early clinical studies.

How does N‐Acetyl Selank Amidate differ from standard Selank?

The acetylated and amidated variant shows higher potency, a longer half‐life, better absorption, and improved blood–brain barrier penetration, enhancing the magnitude and duration of Selank‐like effects in experimental models.

What kinds of experimental outcomes have been observed?

Research reports reductions in anxiety‐like behavior, improved learning and memory, modulation of IL‐6 and T‐helper cell balance, beneficial effects on pain perception via enkephalin modulation, and evidence of hepatoprotective and neuroprotective actions in toxin and stress models.

How are these peptides typically supplied and handled for research?

Selank and NA‐Selank are supplied as 10 mg lyophilized vials at ≥98–99% purity, intended for reconstitution with bacteriostatic water, stored cool and protected from light, refrigerated after constitution, and frozen at −20 °C for long‐term laboratory storage.

Product Questions

How is Selank packaged?

Selank is supplied in the product format and quantity shown for the selected variant. Please inspect the sealed package when it arrives and contact support promptly if the package or labeling appears damaged.

How is Selank shipped?

Orders are shipped within the United States via USPS. Transit times are typically 3–7 business days, depending on destination and carrier conditions. Tracking information is provided when available.

How should Selank be stored?

Storage requirements are product-specific. Keep Selank in its original labeled container and follow the product documentation or manufacturer instructions supplied with the order. Contact support if the applicable storage guidance is not available.

What is the refund policy for Selank?

Due to the nature of research materials, NextGenPeps orders are final and are not eligible for refunds, returns, or exchanges. Review the shipping and reship policies before ordering.

Is Selank intended for human use?

No. NextGenPeps materials are supplied strictly for laboratory research and development use and are not intended for human or animal consumption, clinical use, diagnostic use, cosmetic use, or dietary use.

Customer Reviews

4.73 reviews

Doesnt disappoint

Second time order and the quality has kept up. Always appear transparent no clumps when reconstituting

Blake O.

Fast and affordable

Got my order in a couple days and didnt have to break the bank

Ben N.

Best vendor out there

Nextgenpeps has been my primary supplier for months and always delivers top quality Selank. Shipping is fast and at a great price.

Zander D.

NextGenPeps

Reliable and innovative research with our top-grade research materials and novel research compounds tailored to lead the competitive research industry. Choose research quality. Choose NextGenPeps.

Customer Service: +1 (971) 300-1435

Get 10% Off Your First Order

Sign up now and receive a 10% discount code valid on your next purchase!

NextGenPeps LLC

The statements made within this website have not been evaluated by the US Food and Drug Administration. The materials offered by this company are not intended to diagnose, treat, cure, or prevent any disease. All research materials on this site are for laboratory research and development use only, and are not intended for human use.

NextGenPeps is a chemical supplier. NextGenPeps is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic act. NextGenPeps is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic Act.

© 2026 NextGenPeps. All rights reserved.

VisaAmerican Express