Selank Peptide Vial

Selank is a synthetic heptapeptide (composed of seven amino acids) with the sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro. It has been studied as a highly effective anxiolytic agent and also shows potential for improving memory, learning, and exerting antidepressant effects. Its design was inspired by naturally occurring immunoglobulin-derived peptides in the human body.

Selank has potential anxiolytic and antidepressant effects. It may help regulate the balance of neurotransmitters, improve mood, and enhance cognitive function.It may also possess anti-inflammatory and immunomodulatory properties and has been studied for the treatment of certain neurological and immune-related disorders.

Regulation of Neurotransmitter Systems

• Modulation of the GABAergic System:

Selank may enhance the activity of gamma-aminobutyric acid (GABA) through interactions with specific neural receptors. GABA is the primary inhibitory neurotransmitter in the central nervous system and reduces neuronal excitability, producing anxiolytic and calming effects. Selank may promote GABA binding to its receptors or increase GABA release, helping stabilize neuronal activity and alleviate anxiety and tension.

• Regulation of the Serotonergic System:

Serotonin (5-HT) is closely associated with mood and various psychological and physiological functions. Selank may help regulate 5-HT levels and function by influencing its synthesis, release, or reuptake, thereby promoting balanced serotonergic neurotransmission, improving mood, and exerting antidepressant effects.

Effects on Neuroplasticity

• Promotion of Nerve Growth Factor (NGF) Expression:

Selank may stimulate the expression and release of nerve growth factor (NGF) and related factors. NGF plays a crucial role in neuronal growth, survival, and differentiation. By supporting neuronal repair and regeneration, Selank may enhance neuroplasticity and contribute to improved cognitive function, learning, and memory.

• Regulation of Synaptic Plasticity:

Selank may influence the expression and function of synapse-related proteins, affecting synapse formation, maintenance, and remodeling. By strengthening synaptic stability and efficiency, it may enhance neural signal transmission and network integration, positively impacting higher cognitive functions such as learning and memory.

Participation in Neuroendocrine Regulation

• Modulation of the Hypothalamic–Pituitary–Adrenal (HPA) Axis:

Under stress, the HPA axis is activated, leading to the release of glucocorticoids and other stress hormones. Selank may act on the hypothalamus to regulate the secretion of corticotropin-releasing hormone (CRH) and related factors, thereby influencing HPA axis activity. This modulation may help maintain a balanced stress response, prevent excessive glucocorticoid release, and reduce anxiety- and depression-related symptoms.

Medical Field

• Treatment of Psychiatric Disorders:

Based on its anxiolytic and antidepressant mechanisms, Selank shows potential in the treatment of anxiety disorders and depression. Clinical studies suggest it may effectively improve anxiety and depressive symptoms, enhancing patients' quality of life.

• Intervention in Neurodegenerative Diseases:

Due to its ability to promote neuroplasticity, Selank may help prevent or mitigate neuronal damage and dysfunction in neurodegenerative conditions such as Alzheimer's disease and Parkinson's disease, contributing to symptom relief and disease management.

• Improvement of Cognitive Impairment:

For cognitive decline associated with aging or brain injury, Selank may enhance cognitive performance by promoting neural growth and synaptic plasticity, improving memory, attention, and learning capacity.

Research Field

• Neuroscience Research:

As a peptide with clear neuromodulatory properties, Selank serves as an important tool molecule in studying neurotransmitter systems, neuroplasticity, and neuroendocrine regulation. Research on Selank contributes to a deeper understanding of both physiological and pathological mechanisms of the nervous system.

• Drug Development:

Based on Selank's structure, researchers may conduct structural modifications and optimization to develop more effective and safer neuroactive drugs, providing new therapeutic targets and strategies for neurological disorders.

Xi'an Ruichi Biotech Co., Ltd. is an innovative life science company providing dietary supplements, custom synthesis. We also provide OEM and private label services, including custom logo and packaging options, to meet your branding needs. Dosage forms including powder, capsules,softgels, tablets. As an FDA-registered manufacturer, we are committed to improving human health through consistent quality, regulatory compliance, and sustainable growth. We manufacture and source a broad portfolio of dietary supplements and health ingredient raw materials for global markets.

Quality is embedded in every stage of our operations. All manufacturing activities are conducted under strict supervision, following validated processes and standardized procedures. Our facilities operate in full compliance with GMP requirements, ensuring that every product meets international quality and safety standards. We maintain a comprehensive system of documented SOPs, aligned with GMP guidelines and ISO 9001:2015 certification, to support reliability, traceability, and continuous improvement.

Our quality management system integrates ISO 9001:2015 and GMP standards, enabling us to deliver products and services that meet the expectations of global pharmaceutical and nutraceutical markets. All products are tested in accordance with leading pharmacopeial standards, including CP, BP, EP, and USP. Every batch is freshly manufactured, with a typical shelf life of 2–3 years, ensuring optimal stability and performance.

To ensure that customers receive their goods smoothly,we supply all kinds of couriers according to different needs.Like DHL, FedEx, UPS, EMS, TNT, by Sea, by Air.

We can provide customized packaging according to your requirement.

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