Novera Selank 10mg

Selank is a synthetic heptapeptide derived from tuftsin, engineered with the amino acid sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro (TKPRPGP) and studied for its interaction with GABA receptors, serotonin metabolism, and immune signaling pathways. Laboratory research over the past two decades has examined this peptide analogue for anxiolytic properties, neuroprotective activity, gene expression modulation, and immunomodulatory effects in animal and in vitro models. When you buy Selank from FillerSupplies.com, you receive a Novera-brand compound supplied exclusively for research and laboratory use; the peptide is not approved by the FDA for human or veterinary use in the United States.

Researchers working in neuropharmacology, behavioral science, and immunology have used the compound to investigate GABAergic neurotransmission, cognitive processes under stress, and cytokine regulation. Selank nasal spray kits and lyophilized powder formats are the two primary forms available through online vendors, and both are intended strictly for licensed professionals conducting controlled experimental work. Every claim presented below references published, peer-reviewed data and specifies whether findings originate from animal, in vitro, or clinical observations.

General Information About Selank

Selank is a synthetic heptapeptide analogue of tuftsin, the naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) that participates in immune cell activation. The addition of three amino acids at the C-terminus (Pro-Gly-Pro, giving the full sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro) was designed to protect against rapid enzymatic degradation, improving metabolic stability relative to native tuftsin. Its molecular formula is C₃₃H₅₇N₁₁O₉, and its molecular weight is approximately 751.89 Da.

The precise mechanisms through which this synthetic peptide operates span multiple receptor systems. In 2018, Vyunova et al. demonstrated in Protein & Peptide Letters (later reviewed in Current Medicinal Chemistry) that Selank functions as a concentration-dependent positive allosteric modulator of GABA_A receptors, increasing [³H]GABA binding in rat brain membranes. The compound also modulates binding when co-applied with benzodiazepine agents, though the binding sites are not identical to classical benzodiazepine sites. Beyond GABA receptors, Selank administration affects serotonin and monoaminergic signaling: studies conducted in BALB/c mice reported decreased hippocampal 5-HT and its metabolite 5-HIAA under specific dosing conditions.

Parent peptide half-life in rat plasma is short, approximately 1 to 2 minutes in vitro. The Pro-Gly-Pro extension slows proteolysis compared to unmodified tuftsin, yet clearance in biological fluids remains rapid. Functional downstream effects on the central nervous system, including anxiolytic and neurochemical changes, persist for several hours after intranasal administration in animal models, indicating that metabolites or triggered signaling cascades outlast the parent molecule. Selank is not effective when taken orally due to rapid degradation in the digestive tract, which is why experimental protocols rely on intranasal administration or injectable form delivery.

Selank Use in the Research Setting

FillerSupplies.com supplies Selank as a lyophilized powder (10 mg vial) and as a selank nasal spray kit with nasal applicator, produced using solid-phase peptide synthesis. Online vendors commonly provide Selank in lyophilized powder or nasal spray form, sold as a research chemical for laboratory research use only. The following subsections detail the primary domains where the compound has been investigated.

Anxiolytic and GABA Receptor Research

Selank may exhibit strong antianxiety effects similar to benzodiazepines, according to multiple preclinical studies. The peptide enhances GABA_A receptor activity in a manner analogous to benzodiazepines, yet preclinical data indicate it reduces benzodiazepine side effects like memory loss and sedation. In a rat model of unpredictable chronic mild stress published around 2017, a dose of 0.3 mg/kg Selank combined with diazepam produced additive anxiolytic effects in the elevated plus maze; Selank alone reduced anxiety with fewer observable adverse outcomes than diazepam monotherapy.

Strain-dependent effects add nuance. A study using BALB/c versus C57Bl/6 mice at 300 µg/kg/day for 5 days found that intraperitoneal Selank increased the number of GABA_A receptor antagonist binding sites ([³H]SR 95531) by approximately 38% in the frontal cortex of BALB/c mice (the strain with higher baseline anxiety). The intranasal route, by contrast, increased NMDA receptor binding sites in the hippocampus by roughly 23% without measurable changes in GABA receptor binding. These observations suggest that route of administration and genetic background both influence how the new peptide anxiolytic selank interacts with receptor populations.

Selank can also augment the effects of phenazepam in anxiety treatment models, and it may lower stress hormone levels in generalized anxiety disorders paradigms in rodents. Potential side effects observed in preclinical and limited clinical contexts include headaches and nasal irritation, though Russian clinical courses of 10 to 14 days reported no sedation, cognitive impairment, or dependence.

In 2018, Vyunova et al. showed in Current Medicinal Chemistry that Selank functions as a concentration-dependent positive allosteric modulator of GABA_A receptors, increasing [³H]GABA binding in rat brain membranes and altering receptor subtype activity even in the presence of benzodiazepine agents.

Neuroprotective and Cognitive Research

Preclinical data suggests Selank may support memory and attention through several converging mechanisms. Kolik et al. published a 2014 study in Bull Exp Biol Med using rats with chronic ethanol intake (more than 24 weeks at approximately 5.0 g/kg/day). During acute 48-hour withdrawal, a single intraperitoneal dose of 0.3 mg/kg eliminated the anxiety observed in elevated plus maze and social interaction tests. The compound also prevented mechanical allodynia, a pain hypersensitivity marker associated with ethanol-induced memory impairment and withdrawal. Selank may prevent memory impairment from alcohol misuse, and it enhances memory recall through hippocampal gene expression changes documented in separate rodent studies.

Serotonin modulation contributes to this neuroprotective profile. Nadorova et al. (2014) demonstrated in Neurochemical Journal that, during modeled alcohol abstinence in rats, the peptide prevented the characteristic rise in serotonin across the prefrontal cortex, hypothalamus, and amygdala. This serotonin-stabilizing action correlated with increased time in open arms of the elevated plus maze, linking emotional balance restoration to monoaminergic signaling regulation.

Selank also inhibits enkephalin-degrading enzymes in human serum, which could extend endogenous enkephalin signaling and contribute to analgesic and anxiolytic outcomes. The compound improves cognitive function after neurotoxin exposure in rats, though precise IC₅₀ values for enkephalin degrading enzymes remain less well characterized in English-language literature. Selank has been studied for its potential nootropic effects across multiple experimental models, and it is investigated for its role in neuropeptide signaling broadly.

Immunomodulatory Research

Because Selank retains the tuftsin core sequence (Thr-Lys-Pro-Arg), it preserves immune-signaling properties associated with the parent tetrapeptide. Tuftsin activates phagocytic immune cells, and several Russian-language studies indicate that this synthetic analog shifts inflammatory cytokine balance in stress models, modulating IL-6 and TNF-alpha expression. Selank influences immune responses by modulating cytokine levels in a bidirectional pattern: the compound may influence the expression of 34 genes in inflammation pathways, dampening or amplifying specific arms of the immune system depending on the challenge context. Selank exhibits bidirectional immunomodulatory effects, distinguishing it from agents that suppress immunity unilaterally.

Antiviral research has generated notable findings. Selank outperformed interferon-α in suppressing influenza virus reproduction in one set of preclinical experiments, and prophylactic use of Selank improved survival rates in infected rats. These results point to additional potential benefits beyond the neurological domain, though confirmation through independent verification in Western laboratories has been limited.

Important to Know: Selank is approved as a pharmaceutical product only in Russia. In the United States and most Western countries, it holds research chemical status and is not approved by the FDA for medical use. Its immunomodulatory effects are derived from animal and in vitro data. Consumption of Selank obtained outside regulated production may involve risks such as contamination and mislabeling; purchasing Selank online often involves acquiring an unverified substance. All immunomodulatory research findings described here apply to controlled laboratory research settings and are not validated for human clinical application. Long-term safety data for Selank in humans is sparse.

Neuroplasticity and Gene Expression Studies

Gene expression research provides some of the most detailed molecular data on how selank administration affects neural tissue. In rats given 300 µg/kg, real-time PCR analysis of frontal cortex tissue revealed that 84 genes involved in neurotransmission changed expression levels: 45 genes after 1 hour, 22 genes after 3 hours. Many of these changes paralleled those caused by exogenous GABA itself, consistent with the compound’s modulatory action on GABAergic neurotransmission.

After administration of 300 µg/kg Selank in rats, expression of 45 genes related to neurotransmission in the frontal cortex changed within 1 hour; 22 genes showed altered expression at 3 hours. The changes strongly correlated with those induced by GABA, as Volkova and colleagues reported in Frontiers in Pharmacology in 2016.

Selank may enhance BDNF levels in the hippocampus, and some Russian-language publications report upregulation of brain derived neurotrophic factor expression in both hippocampal and frontal cortex tissue. BDNF content changes are relevant because this neurotrophin plays a documented role in synaptic plasticity, learning, and memory consolidation. The compound’s rapid gene expression modulation, spanning ion channel subunits, GABA transporters, and receptor components, suggests it engages neural gene networks at a transcriptional level rather than acting solely through receptor binding. Compared to Semax (which primarily drives BDNF expression) and Noopept (which modulates AMPA/NMDA receptors), Selank’s profile is distinguished by its dual action on GABAergic and immune pathways, and researchers investigating cognitive processes, mental clarity, and overall well being in experimental models have used all three compounds in comparative protocols. There is a lack of standardized dosing guidelines for Selank due to its unregulated status outside Russia, so dosing in neuroplasticity studies can vary based on the animal model, route, and experimental question.

Buy Selank Online at FillerSupplies.com

FillerSupplies.com is the best place to buy selank peptide online for your laboratory research needs. Whether you need to buy selank nasal spray kits (each including a 10 mg vial and nasal applicator, produced via solid-phase peptide synthesis) or selank peptide in lyophilized powder format, the Novera-brand product line is stocked and ready for express dispatch. Researchers looking for where to buy selank can rely on over a decade of supply chain expertise and temperature-controlled logistics. The regulatory status of Selank can affect its availability in certain jurisdictions; FillerSupplies.com ships to licensed professionals worldwide under applicable regulations. Buy selank for sale at competitive wholesale pricing with the following advantages:

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• Supplied for research use only, to licensed professionals.

All Selank products from FillerSupplies.com are intended for research use only and are not approved for human or veterinary use.

Related research peptides available at FillerSupplies.com: Dihexa, PE-22-28.