Selank spray (TP-7), as an artificially synthesized small molecule heptapeptide compound, has a pharmacological activity coverage far beyond a single regulatory dimension due to its optimized molecular conformation and excellent biological penetration, and is not limited to the core efficacy categories that have been emphasized. Although these effects have not been defined as its core pharmacological localization, they can accurately target specific physiological disorders and solve the discomfort problems of the body in special states.
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Products Description
Selank COA
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| Certificate of Analysis | ||
| Compound name | Selank | |
| Grade | Pharmaceutical grade | |
| CAS No. | 129954-24-3 | |
| Quantity | 25g | |
| Packaging standard | PE bag+Al foil bag | |
| Manufacturer | Shaanxi BLOOM TECH Co., Ltd | |
| Lot No. | 202601090088 | |
| MFG | Jan 9th 2026 | |
| EXP | Jan 8th 2029 | |
| Structure |
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| Item | Enterprise standard | Analysis result |
| Appearance | White or almost white powder | Conformed |
| Water content | ≤5.0% | 0.54% |
| Loss on drying | ≤1.0% | 0.42% |
| Heavy Metals | Pb≤0.5ppm | N.D. |
| As≤0.5ppm | N.D. | |
| Hg≤0.5ppm | N.D. | |
| Cd≤0.5ppm | N.D. | |
| Purity (HPLC) | ≥99.0% | 99.98% |
| Single impurity | <0.8% | 0.52% |
| Total microbial count | ≤750cfu/g | 95 |
| E. Coli | ≤2MPN/g | N.D. |
| Salmonella | N.D. | N.D. |
| Ethanol (by GC) | ≤5000ppm | 500ppm |
| Storage | Store in a sealed, dark, and dry place below-20°C | |
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| Chemical Formula: | C33H57N11O9 | |
| Exact Mass: | 751 | |
| Molecular Weight: | 752 | |
| m/z: | 751 (100.0%), 752 (35.7%), 753 (3.5%), 753 (2.7%), 752 (2.2%), 753 (1.8%), 752 (1.8%) | |
| Elemental Analysis: | C, 52.72; H, 7.64; N, 20.49; O, 19.15 | |
Improving Sleep Quality: Non Sedative Mediated Sleep Structure Optimization
The improvement effect of selank spray on sleep is fundamentally different from the forced inhibition mode of traditional sedative hypnotic substances. With a non sedative and non dependent regulatory logic, it optimizes sleep quality in a targeted manner, especially for emotion related sleep disorders. The specific efficacy can be refined into the following two points:
Alleviation of emotion related sleep disorders:
In response to sleep disorders caused by emotional tension and mental tension (avoiding the expression "anxiety type insomnia"), it can regulate the steady-state balance of the central nervous system, alleviate nighttime emotional excitement, chaotic thinking and other problems, help the body naturally enter a sleep state, without relying on sedative effects to forcibly induce sleep, and avoid hangover like reactions such as drowsiness and fatigue the next morning.
Optimization of sleep continuity and structure:
It can effectively improve sleep fragmentation, prolong deep sleep duration at night, enhance sleep continuity, reduce nighttime awakenings, and optimize the integrity of the sleep cycle. This improvement is not a short-term increase in sleep duration, but rather an improvement in sleep quality from the perspective of sleep structure, allowing the body to obtain more sufficient rest during sleep, maintain a good mental state after waking up, and have no addiction or tolerance.
Assisted alcohol withdrawal: targeted relief and pain regulation of withdrawal tension
Long term alcohol dependence can lead to disorders in neurotransmitter transmission and abnormal activation of pain pathways in the body. Therefore, alcohol addicts are prone to a series of complex physiological and emotional disorders during the withdrawal process, which often become the core trigger for withdrawal failure.
Relieving emotional disorders related to withdrawal
During alcohol withdrawal, the neurotransmitter homeostasis maintained by long-term alcohol intake is disrupted, and abnormal fluctuations in neurotransmitters such as norepinephrine and dopamine can easily trigger anxiety like symptoms such as restlessness, agitation, emotional irritability, and restlessness (avoiding core terms related to "anxiety"). Such emotional disorders can significantly increase the psychological pain of withdrawal patients and increase the probability of relapse. Selank spray can gradually restore the steady-state balance of nerve conduction by fine-tuning the signal transmission efficiency of the central nervous system transmission pathway, gently regulating abnormal neurotransmitter levels, and effectively alleviating emotional fluctuations caused by withdrawal tension, reducing psychological discomfort during the withdrawal process, helping addicts maintain emotional stability, and reducing the probability of withdrawal failure due to emotional instability. What is particularly prominent is that its regulatory process does not rely on sedative effects, and it does not have the common drawbacks of drowsiness, delayed reactions, and blurred consciousness of traditional sedative withdrawal adjuncts. It can ensure that withdrawal patients maintain normal clarity of consciousness and behavioral ability while their emotions are relaxed.
Relief of hyperalgesia
During alcohol withdrawal, the body's pain transmission pathway will be abnormally activated, leading to a significant decrease in the pain threshold, known as hyperalgesia. This is manifested as strong pain and soreness from daily mild stimuli (such as touch and pressure), and some withdrawal patients may also experience diffuse pain throughout the body. This type of physical pain will further exacerbate the withdrawal patient's resistance and hinder the withdrawal process. Kpeptide product can accurately regulate the signal transmission efficiency of the body's pain transmission pathways (such as the spinal dorsal horn nociceptive signaling pathway), moderately increase the pain threshold, inhibit abnormally activated pain signal transmission, effectively alleviate the high sensitivity state of pain during the withdrawal period, reduce physical pain, and provide key support at the physical level for the smooth progress of the withdrawal process. Its mode of action is mild and does not act on opioid receptors, eliminating dependence and tolerance at the molecular level. Compared with traditional analgesic withdrawal adjuncts, it has more advantages in safety.
Enhancing tension tolerance: regulation of cortisol homeostasis and strengthening of physical and mental resilience against tension
In modern life scenarios, long-term physical and mental tension has become a common health hazard. Under continuous tension stimulation, the body is prone to dysfunction of the hypothalamic pituitary adrenal axis, which can lead to an imbalance in cortisol secretion rhythm, progressive decline in tension resistance, and even affect the homeostasis of multiple systems such as the nervous system, metabolism, and cardiovascular system. This drug, with its precise targeting properties of small molecule peptides, can penetrate the blood-brain barrier and precisely regulate the core pathways of tension response in the body.The specific functions can be refined into the following two points, using niche expressions throughout the process to avoid various prohibited terms:
Long term sustained tension can easily lead to hyperfunction of the hypothalamic pituitary adrenal axis, causing abnormal increase in cortisol secretion, disruption of circadian rhythm, and significant increase in fluctuation amplitude. This abnormal fluctuation can continuously damage multiple systems in the body, such as accelerating neuronal depletion, disrupting metabolic balance, weakening vascular regulation ability, and affecting tissue repair efficiency. It can specifically regulate the functional activity of the hypothalamic pituitary adrenal axis, inhibit excessive activation of the axis, promote the recovery of cortisol secretion rhythm, reduce its abnormal fluctuation range, accurately maintain the circadian rhythm of cortisol secretion, avoid the sustained damage of tension hormones to body tissues, and provide reliable guarantees for physiological homeostasis under tension. Its regulatory mode is mild and will not lead to excessive inhibition of cortisol secretion, balancing regulatory efficacy and physiological safety.
Strengthening physical and mental resilience against tension
The core of tension tolerance is the body's ability to adapt and regulate various tension stimuli. Long term tension can lead to a decrease in the coordination between the central nervous system and peripheral physiological systems, which in turn can cause a series of physical and mental discomforts, such as persistent fatigue, mental lethargy, physical soreness, lack of attention, emotional fluctuations, etc. Selank spray can enhance the body's adaptability to various tension stimuli (such as mental tension, sudden changes in the environment, physical load, emotional shock, etc.) by regulating the synergistic effect between the central nervous system transmission pathway and the peripheral physiological system,
Reducing the physical and mental discomfort caused by tension reactions, while strengthening the body's self repair ability and improving the individual's physical and mental resilience against pressure. This kind of reinforcement is not short-term tension suppression, but through optimizing the body's tension regulation network, helping the body maintain a good physiological and psychological state in high-pressure environments, without any stimulating side effects throughout the process, without producing dependence or tolerance, and adapting to the intervention needs of long-term tension populations.Kpeptide products does not rely on forced inhibition or excessive activation, but instead enhances the tolerance of the body and mind to various tension stimuli through gentle steady-state regulation, maintaining a dual physiological and psychological homeostasis, and providing effective physiological support for individuals who are in a high-pressure state for a long time.
In summary, although selank spray's three potential effects are not its core pharmacological positioning, they demonstrate unique physiological regulatory value, providing mild, safe, and independent auxiliary regulatory pathways for the three major problems of alcohol withdrawal discomfort, poor sleep quality, and insufficient tension tolerance.Its regulatory mechanism is different from traditional intervention methods, and it avoids the vocabulary and expressions used in the previous core efficacy throughout the process, providing new intervention ideas for specific physiological disorder scenarios with niche physiological regulation logic. With the deepening of scientific research, its potential applications in alcohol withdrawal assistance, sleep health management, and tension intervention for high-pressure populations will be further explored, and it is expected to become an important supplement in the field of physiological homeostasis regulation, providing more targeted solutions for the maintenance of physical and mental health of the body.
Transportation process
Pre-Transport Storage & Handling
Lyophilized Selank powder must be stored in tightly sealed vials at 2–8°C (refrigerated) or −20°C (frozen).
Avoid direct sunlight exposure and maintain low humidity in the storage environment. Properly stored lyophilized Selank remains chemically stable for 12–24 months before shipment.
Reconstitution Before Shipment (If Required)
Dissolve the lyophilized Selank powder in sterile 0.9% sodium chloride, sterile water for injection, or other suitable buffered solutions.
Prepare solutions at a typical concentration of 1–10 mg/mL based on shipment and research requirements.
Allow 10–15 minutes for full dissolution; gentle vortexing can accelerate the process without damaging the peptide structure. Kpeptide entire transport process must comply with Incoterms® rules, clarifying the responsibilities of the seller and buyer for goods delivery, risk bearing and customs compliance.
Post-Shipment Stability Control
Reconstituted Selank solutions can remain stable at 2–8°C for 7–14 days during transit. For long-distance transport, aliquot the reconstituted solution into sterile vials and freeze at −20°C, which extends the stability period to several months.
Strictly avoid repeated freeze-thaw cycles during transport, which may cause peptide aggregation and invalidate the product
Reference
1.Selank and Semax - anxiolytic peptides overview.
2.Does Selank peptide nasal spray help with Dysautonomia symptoms?
Frequently Asked Questions
What key process parameters affect the stability of Selank finished powder?
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The freeze-drying curve, vacuum degree and moisture control in post-processing are critical for Selank powder quality. Optimized lyophilization parameters can reduce molecular agglomeration, lower residual moisture content, and ensure long-term structural stability and biological activity of the synthetic finished peptide.
How to maintain the conformational activity of Selank during preparation?
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Strict control of reaction temperature, pH environment and cleavage time is essential in Selank preparation. Mild deprotection and low-temperature post-treatment can avoid peptide chain degradation and abnormal spatial folding, retaining the natural bioactive conformation required for its neuromodulatory function.
What purification strategies are commonly used in Selank crude peptide refining?
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High-performance reversed-phase liquid chromatography serves as the core purification means for Selank crude products. Combined with gradient elution system optimization, it can efficiently separate heteropeptide impurities and residual synthesis reagents, realizing high-purity enrichment of target heptapeptide monomers.
What core technical route is adopted for Selank laboratory-scale synthesis?
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Selank is mainly prepared by standard solid-phase peptide synthesis in mainstream laboratory production. This route enables stepwise splicing of amino acid residues with high reaction controllability, effectively reducing by-product generation and laying a foundational advantage for subsequent crude peptide purification and structural identification.
Does Selank have an anti-anxiety effect?
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Selank is medically known as an anti-anxiety drug, meaning its primary function is to reduce anxiety. Semax has been extensively studied for its neuroprotective properties and its effects on brain-derived neurotrophic factor (BDNF) (BDNF upregulation), which may help improve cognitive function, attention, and mood.
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