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Selank is a synthetic peptide developed by the Russian Academy of Sciences as a nootropic and anxiolytic agent. It is a heptapeptide and naturally occurring peptide tuftsin, is heavily involved in immune modulation (1).
Selank is known for its potential to reduce anxiety, enhance cognitive functions, and improve memory without causing sedation or addiction. It also exhibits immunomodulatory properties by influencing cytokine levels and serotonin metabolism. Administered intranasally or intravenously during clinical studies, Selank has been studied for its benefits in treating generalized anxiety disorder and depression, offering a safer alternative to traditional anxiolytics (2).
Molecular Formula: C33H57N11O9
Amino Acids Sequence: H-Thr-Lys-Pro-Arg-Pro-Gly-Pro-OH
Molecular Weight: 751.9 g/mol
Source: PubChem
View the Selank HPLC Certificate here.
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Peptide vials contain lyophilized peptide which requires reconstitution before use. Discover the full range of peptide supplies on the consumables page.
Selank is a synthetic peptide derived from tuftsin, a naturally occurring immune peptide. Its mechanism of action involves multiple pathways, making it versatile in its potential health benefits. One of its key actions is modulating neurotransmitter activity in the brain. Selank influences the metabolism of serotonin, a vital chemical that regulates mood, reducing anxiety and promoting emotional balance. Additionally, it elevates brain-derived neurotrophic factor (BDNF), which supports neuron growth, cognitive function, and memory enhancement (3).
Research professionals have also found that Selank also exerts immunomodulatory effects by regulating cytokine levels. Cytokines play a crucial role in the immune response, and Selank helps maintain their balance, which may contribute to overall stress resilience. Furthermore, it inhibits the breakdown of endogenous peptides like enkephalins, critical for stress and pain management.
Its anxiolytic and antidepressant effects are achieved without sedation or addictive risks, offering a safe way to improve mental well-being, making Selank an innovative option for enhancing brain and immune health (4).
Buy Selank Nasal Spray from PharmaLabGlobal. The intranasal administration of selank releases a pre-measured dose which is absorbed by the nasal mucosa. All products on PharmaLabGlobal website are for research purposes only.
Selank, a synthetic heptapeptide, has gained interest for many applications including:
Anxiety Research
Selank may cause anxiety reduction by targeting key brain pathways responsible for mood regulation. It enhances serotonin levels, a neurotransmitter critical for maintaining emotional balance, helping to stabilise mood and promote relaxation. Unlike many traditional anxiolytics, it achieves these calming effects without sedation, making it a non-drowsy alternative. Selank also modulates monoamine neurotransmitters, which are vital for the management of stress disorders and mental clarity. By influencing these chemical messengers, it fosters a sense of calm and reduces feelings of worry. Additionally, Selank boosts brain-derived neurotrophic factor (BDNF) levels, which support overall brain function, further contributing to its ability to alleviate anxiety (1).
Neurological Research
Selank improves brain function through its multifaceted impact on neurotransmitters and neurochemical balance. By enhancing the metabolism and levels of serotonin, a key neurotransmitter regulating mood and emotional stability, Selank fosters a more focused and positive mental state (2). It also modulates other monoamine neurotransmitters, such as dopamine and norepinephrine, which are crucial for maintaining attention, learning, and motivation.
One of Selank’s significant contributions to brain health is its ability to increase levels of brain-derived neurotrophic factor (BDNF). BDNF plays an essential role in neuroplasticity, the brain’s capacity to adapt, form new connections, and strengthen existing ones. This process is vital for memory retention and cognitive flexibility.
Additionally, Selank’s effects on the immune system indirectly support brain function by reducing stress-induced inflammation, which often hampers mental clarity. These combined actions enable Selank to reduce memory retrieval, focus, and overall cognitive performance without sedative effects or risks of dependency.
Neuropharmacology Research
Selank exhibits antidepressant effects by influencing several key pathways involved in emotional regulation and stress management. One of its primary action of Selank enhances serotonin metabolism. Serotonin, often called the “feel-good” neurotransmitter, plays a vital role in stabilising mood and improving emotional well-being. By optimising serotonin levels, Selank helps reduce feelings of sadness and fosters a more balanced mental state.
Additionally, Selank reduces stress by modulating neurotransmitters and the immune system. Chronic stress can trigger chemical imbalances and inflammation that contribute to depression. By promoting resilience to stress, Selank alleviates these negative effects.
Another important factor is Selank’s ability to increase brain-derived neurotrophic factor (BDNF) levels. BDNF supports brain plasticity, aiding in the healing of neural pathways disrupted by depression. This improved neural adaptation enhances cognitive function and emotional health (5). The combination of these effects enables Selank to offer non-sedative, non-addictive antidepressant benefits, promoting overall psychological stability and reducing anxiety levels.
Non-addictive Pharmacotherapy Studies
Selank supplements can offer a non-addictive alternative to traditional anxiolytics like benzodiazepines by working through a distinct mechanism of action. Unlike benzodiazepines, which act by enhancing the activity of GABA, a neurotransmitter responsible for sedation and relaxation, Selank primarily targets serotonin metabolism and modulates other key neurotransmitters. Â This approach helps regulate emotional balance and promotes calmness without sedative effects.
One of the key benefits of the effect of Selank is its lack of dependency and withdrawal risks. Benzodiazepines are known for their potential to cause tolerance, requiring higher doses over time, and can lead to physical dependence. Selank, however, does not interact with pathways linked to addiction, making it safer for long-term use (2).
Buy Selank Pre-Mixed Peptide Kit for laboratory research use.
| Peptide | Primary Research Focus | Main Biological Pathways | Distinguishing Features |
|---|---|---|---|
| Selank | Stress resilience, anxiety regulation, cognitive support | GABAergic signalling, serotonin modulation, immune peptide pathways | Synthetic tuftsin analogue primarily researched for its calming effects without marked sedation. Commonly administered intranasally to facilitate central nervous system research. |
| Semax | Memory, focus, learning and neuroprotection | ACTH(4–10)-derived pathways, BDNF expression, dopaminergic signalling | A synthetic ACTH fragment analogue extensively researched for cognitive performance, neuroplasticity and recovery following neurological injury. Often studied as a nasal spray. View the Semax research hub. |
| Adamax | Memory enhancement, learning and cognitive performance | Neurotrophic signalling, synaptic plasticity, BDNF-related pathways | A next-generation nootropic peptide under investigation for supporting memory formation, focus and mental clarity. Frequently compared with Semax due to its cognitive research profile. Explore Adamax peptide. |
| P-21 | Neuroregeneration, learning and memory | Neurotrophic pathways, neuronal survival, synaptic growth | A neurogenic peptide researched for promoting neuronal growth, synaptic connectivity and cognitive function, with particular interest in age-related cognitive decline and neurodegenerative research. View research on P-21 peptide. |
(1) Volkova A, Shadrina M, Kolomin T, Andreeva L, Limborska S, Myasoedov N, Slominsky P. Selank Administration Affects the Expression of Some Genes Involved in GABAergic Neurotransmission. Front Pharmacol. 2016 Feb 18;7:31.
(2) Kasian A, Kolomin T, Andreeva L, Bondarenko E, Myasoedov N, Slominsky P, Shadrina M. Peptide Selank Enhances the Effect of Diazepam in Reducing Anxiety in Unpredictable Chronic Mild Stress Conditions in Rats. Behav Neurol. 2017;2017:5091027.
(3) Miranda M, Morici JF, Zanoni MB, Bekinschtein P. Brain-Derived Neurotrophic Factor: A Key Molecule for Memory in the Healthy and the Pathological Brain. Front Cell Neurosci. 2019 Aug 7;13:363.
(4) Uchakina ON, Uchakin PN, Miasoedov NF, Andreeva LA, Shcherbenko VE, Mezentseva MV, Gabaeva MV, Sokolov OIu, Zozulia AA, Ershov FI. [Immunomodulatory effects of selank in patients with anxiety-asthenic disorders]. Zh Nevrol Psikhiatr Im S S Korsakova. 2008;108(5):71-5. Russian.
(5) Bathina S, Das UN. Brain-derived neurotrophic factor and its clinical implications. Arch Med Sci. 2015 Dec 10;11(6):1164-78.
Peptides for Cognitive Health
Explore the potential of peptides like P-21, Semax, and Selank in enhancing brain function, memory, and emotional stability. This blog from PharmaLabGlobal highlights their roles in neurogenesis, neurotransmitter regulation, and neuroprotection, offering insights into their applications for cognitive longevity and resilience. The article delves into how these peptides may support learning, stress management, and recovery from neurological conditions like traumatic brain injuries and age-related decline. While emphasizing their research-only status, the blog underscores the growing interest in peptides as tools for understanding and potentially improving cognitive health.
Semax and Selank Peptides for Cognitive Enhancement and Emotional Well-being
This blog from PharmaLabGlobal discusses the combined benefits of these two popular peptides for cognitive enhancement and emotional well-being. Semax boosts neuroplasticity and cognitive function by modulating BDNF levels, whilst Selank reduces anxiety and promotes emotional stability without sedative effects. Together, they offer synergistic effects, enhancing memory, focus, stress resilience, and overall mental health. The article highlights their neuroprotective, anxiolytic, and mood-enhancing properties, making them a promising combination for optimizing brain health and emotional balance. It also discusses their potential applications in managing stress-related disorders and supporting long-term cognitive performance.
How Peptides Can Help You Manage Anxiety
Discover the potential of peptides like Oxytocin, Selank, and Semax from PharmaLabGlobal in managing anxiety. This article showcases their ability to regulate neurotransmitters such as serotonin, dopamine, and GABA, which are crucial for mood and stress balance. Oxytocin fosters emotional regulation and reduces cortisol levels, whilst Selank and Semax peptides offer anxiolytic effects without any sedation or dependency risks. These particular peptides also show promise in enhancing cognitive function and emotional resilience. While still under research, they may represent a novel, targeted approach to anxiety management, offering potential advantages over traditional treatments like benzodiazepines and SSRIs.
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