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Selank & NA-Selank Amidate

Explore Selank & NA-Selank Amidate, a research-only anxiolytic peptide. Discover its cognitive benefits, mechanism of action, and clinical research.

Reviewed by PeptideStack Editorial Team · Last reviewed

Administration
subcutaneous
Origin
Synthetic (Tuftsin Derivative)
Mechanism
Modulates GABA receptors and upregulates BDNF
Typical research dose
250-500 mcg/day (animal models)
Route
subcutaneous
Half-life
Minutes (Standard) to Hours (Amidate)
Legal status
Research Only (US) / Approved (Russia)

Overview

Selank & NA-Selank Amidate are synthetic derivatives of the naturally occurring immunomodulatory peptide tuftsin. These research-only nootropic peptides are primarily investigated for their potent anxiolytic properties and ability to enhance cognitive function without the sedative side effects typical of traditional anti-anxiety medications. By modulating neurotransmitters and upregulating brain-derived neurotrophic factor (BDNF), the Selank & NA-Selank Amidate peptide shows significant promise for supporting calm focus, stress reduction, and overall mental clarity in experimental models.

Potential Benefits

  • Anxiety Reduction: Demonstrates significant anxiolytic effects by modulating GABA receptors and inhibiting enkephalin degradation.
  • Cognitive Enhancement: Improves learning and memory consolidation, as seen in active avoidance conditioning tests in rats (Kozlovskii et al., 2003).
  • Stress Resilience: Helps mitigate the physiological and psychological impacts of acute stress exposure in animal models by stabilizing monoamine levels.
  • Mood Stabilization: Influences serotonin and dopamine metabolism, potentially offering antidepressant-like effects during behavioral research.
  • Neuroprotection: Increases the expression of Brain-Derived Neurotrophic Factor (BDNF), promoting neuronal survival and synaptic plasticity (Kozlovskiĭ et al., 2002).
  • Immune System Modulation: Retains the immunomodulatory properties of its parent peptide, tuftsin, supporting cellular immunity and macrophage activity.

Where to Buy Selank & NA-Selank Amidate

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Research compound. Selank & NA-Selank Amidate is a research chemical, typically not FDA-approved for human consumption. Sale or use for human consumption may be illegal in your jurisdiction.

No compensation. PeptideStack does not endorse, verify, or receive compensation from any vendor. No affiliate or referral relationships.

Verify third-party COAs and consult a qualified healthcare provider before using any compound.

Side Effects

Common side effects:

  • Mild fatigue or lethargy following administration.
  • Temporary injection site irritation if administered subcutaneously.
  • Changes in taste or smell if administered intranasally.
  • Mild headache during initial research applications.

Rare or serious side effects:

  • Allergic reactions or hypersensitivity to the peptide sequence.
  • Paradoxical anxiety or restlessness in certain animal models.
  • Unintended interactions with other serotonergic or GABAergic compounds.

Selank & NA-Selank Amidate is not FDA-approved and is intended for research purposes only. Consult a qualified healthcare provider before use.

Mechanism of Action

Neurotransmitter modulation is the primary mechanism by which the Selank & NA-Selank Amidate peptide exerts its anxiolytic and nootropic effects. It influences the concentration of monoamines like serotonin, dopamine, and norepinephrine in the brain, while also acting as an allosteric modulator of the GABA-A receptor to promote calmness. Furthermore, it inhibits the enzymes responsible for degrading enkephalins, which are naturally occurring peptides that regulate stress and pain responses.

Neurotrophic and immunomodulatory pathways also play a crucial role in the efficacy of NA-Selank Amidate. The peptide significantly upregulates the expression of Brain-Derived Neurotrophic Factor (BDNF) in the hippocampus, which is essential for learning, memory, and neuroplasticity (Kozlovskiĭ et al., 2002). Additionally, as a tuftsin derivative, it retains the ability to stimulate macrophage activity and modulate interleukin levels, linking cognitive health with immune system homeostasis.

Origin & History

Discovery and development of Selank originated in the late 1990s at the Institute of Molecular Genetics of the Russian Academy of Sciences. Researchers sought to create a stable, synthetic analog of the naturally occurring tetrapeptide tuftsin by adding a sequence that prevents rapid enzymatic degradation. The addition of the N-acetyl and amidate groups in NA-Selank Amidate further enhanced the peptide's metabolic stability and ability to cross the blood-brain barrier.

Regulatory status for Selank varies globally, though it is officially approved in Russia as a generalized anxiety disorder treatment. In the United States and most other countries, Selank & NA-Selank Amidate remain classified as research-only chemicals. They are not approved by the FDA for human consumption and are strictly utilized in laboratory settings to investigate their neuroprotective and anxiolytic properties.

Frequently Asked Questions

Research & Resources

PubMed Studies

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Data last updated: April 3, 2026

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