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N-Acetyl Selank Amidate

✓ Research (parent Selank: Approved Russia)
N-Acetyl Selank Amidate, Enhanced Anxiolytic Nootropic
Also known as: NA Selank Amidate, Acetyl Selank Amidate, Selank NA
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Quick Summary

N-Acetyl Selank Amidate is a doubly-modified form of Selank (a synthetic heptapeptide based on tuftsin) with N-acetylation at the N-terminus and amidation at the C-terminus. These modifications extend enzymatic stability and CNS bioavailability, making it the highest-potency formulation of the Selank family.

Cognitive & Neurological Research Use
N-Acetyl Selank Amidate is a doubly-modified form of Selank (a synthetic heptapeptide based on tuftsin) with N-acetylation at the N-terminus and amidation at the C-terminus. These modifications extend enzymatic stability and CNS bioavailability, making it the highest-potency formulation of the Selank family. Standard Selank is approved in Russia for anxiety and cognitive disorders; the N-Acetyl Amidate form is a research refinement. It primarily works by modulating BDNF, GABA, and enkephalin/" class="wiki-internal-link">enkephalin systems.
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Storage Stability
Lyophilized
6–12 months (2–8°C)
Reconstituted
~30 days (2–8°C)
Room temp
Avoid

Mechanism of Action

GABA-A Modulation

Selank and its analogs modulate GABAergic transmission, producing anxiolytic effects without the sedation, tolerance, or dependence of benzodiazepines. The effect is normalizing rather than depressive, reducing excess anxiety without blunting cognition.

BDNF Upregulation

Selank increases BDNF and NGF in the hippocampus and prefrontal cortex, supporting neuroplasticity, memory consolidation, and anti-anxiety effects.

Enkephalin Protection

Selank inhibits enkephalinase (the enzyme that degrades endogenous enkephalins), prolonging the action of these endogenous mood-regulating peptides.

N-Acetyl Amidate Advantage

Both modifications protect the peptide from nasal mucosal enzymes (aminopeptidases, carboxypeptidases), extending duration and improving bioavailability relative to unmodified Selank.

Research Summary

Russian Clinical Data (Selank)

Selank has been studied extensively in Russia for generalized anxiety disorder (GAD) and cognitive disorders. Clinical trials show anxiolytic efficacy comparable to medazepam (benzodiazepine) without sedation or addiction risk.

Cognitive Enhancement

Both anxiolytic and nootropic effects observed. Users report improved attention, working memory, and verbal fluency, likely mediated by reduced anxious cognition and increased BDNF.

NA Amidate vs. Standard

No direct head-to-head published comparison, but the pharmacokinetic rationale for increased potency/duration of the N-Acetyl Amidate form is well-established from similar modifications in other peptide families.
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Research Protocols

Dosing

100–200 µg intranasally. Some protocols use 300 µg. Administer as drops, tilting head back then forward for absorption through olfactory mucosa.

Timing

Morning or pre-stressful event for anxiolytic effect. Can be dosed twice daily for sustained cognitive support.

Stack

Often paired with N-Acetyl Semax Amidate (Adamax), Semax for stimulation/focus, Selank for anxiety reduction - creating a balanced nootropic stack.

Storage & Handling

Refrigerate at 2–8°C. Freeze lyophilized" class="wiki-gloss-link">lyophilized powder for long-term storage. Reconstitute with sterile or bacteriostatic water. Use within 30 days of reconstitution. Protect from light.

References

  • [1]Semenova TP, et al. "Selank and its analogs, nootropic and anxiolytic effects." Eksperimental'naya i Klinicheskaya Farmakologiya, 2010.
  • [2]Zozulya AA, et al. "Selank for GAD: a phase III clinical trial." Neuropharmacology, 2014.
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See Also

selankadamaxsemaxn-acetyl-semaxdihexa
Categories: CognitiveAnxiolyticNootropicIntranasalBDNF
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Acetyl-Carnosine ACTH 4-10 Adamax Adropin Alpha-CGRP Angiotensin IV Apamin Beta-Casomorphin
Verified Scientific Data Last audited:
Data Sources & External References
⬡ PubMed / NCBI, Research Literature ⬡ NCBI, Full-Text Articles ⬡ PubChem, Chemical Database
Source: peer-reviewed literature  ·  Domain: ascendpeptide.org
N-Acetyl Selank Amidate
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