
Selank Spray is a research-use peptide preparation centered on Selank, a synthetic heptapeptide derived from the tuftsin peptide sequence. Selank has been investigated in preclinical research involving neurobiology, behavioral models, neurotransmitter-related pathways, gene expression, and brain signaling. Helix Bio supplies Selank Spray strictly as a research and laboratory material. It is intended for qualified researchers and controlled laboratory investigation, not for human or veterinary administration. Researchers evaluating this material should review the applicable lot-specific Certificate of Analysis (COA), product specifications, and analytical documentation before incorporating it into an experimental workflow.
HPLC certified
Independent analysis
Highest standard
Full traceability
Selank is a synthetic peptide commonly identified by the amino-acid sequence Thr-Lys-Pro-Arg-Pro-Gly-Pro. It is structurally related to tuftsin and has been investigated in experimental research involving the central nervous system, behavioral biology, neurotransmitter pathways, and molecular signaling.
Published research has examined Selank in animal models and other experimental systems. For example, studies have investigated relationships between Selank and brain-derived neurotrophic factor (BDNF), serotonin and noradrenaline signaling, gene-expression patterns, and behavioral responses. These findings are useful for understanding areas of scientific interest but should not be interpreted as evidence of clinical efficacy or as a recommendation for human use.
The spray format provides researchers with a defined presentation of Selank for laboratory investigation where a spray-format research material is appropriate to the study design.
Because formulation characteristics can vary between products, researchers should rely on the current product specification and lot-specific documentation for exact concentration, formulation, container configuration, and analytical results rather than assuming characteristics from another Selank preparation.
Helix Bio positions its research peptides for laboratory and scientific use only. The company's website states that its catalog is supported by batch-specific COA documentation and analytical testing using HPLC and mass spectrometry.
Selank is a short synthetic peptide consisting of seven amino acids:
Thr-Lys-Pro-Arg-Pro-Gly-Pro
Research interest surrounding Selank includes:
Existing literature includes animal studies examining Selank in relation to brain activity, neurotransmitter levels, behavioral responses, and molecular pathways. These studies are preclinical and should be evaluated according to their experimental design, model, dose, route, and endpoints.
Selecting a peptide research material requires more than looking at a product name or advertised purity percentage. Researchers need a clearly identified compound, appropriate documentation, reliable analytical information, and handling instructions that support reproducible laboratory work.
Selank Spray may be relevant to laboratories studying peptide biology and neurobiological signaling where Selank is part of the experimental design.
Helix Bio's website identifies several quality-control practices, including HPLC purity testing, mass-spectrometry identity confirmation, and batch-specific Certificates of Analysis. These analytical methods provide complementary information: HPLC is used to assess chromatographic purity, while mass spectrometry can help confirm molecular identity and molecular mass.
Before purchasing or using Selank Spray, researchers should verify:
Selank Spray is intended for qualified research environments, including:
It is not intended for personal experimentation, self-administration, human consumption, or veterinary administration.
| Specification | Details |
|---|---|
| Product Name | Selank Spray |
| Research Compound | Selank |
| Peptide Type | Synthetic heptapeptide |
| Amino-Acid Sequence | Thr-Lys-Pro-Arg-Pro-Gly-Pro |
| Format | Spray |
| Category | Cognitive & Nootropic / Research Peptide |
| Intended Use | Research and laboratory use only |
| Human Use | Not intended for human administration |
| Veterinary Use | Not intended for veterinary administration |
| Purity | Verify current lot-specific COA |
| Identity Testing | Refer to current lot documentation |
| HPLC Testing | Helix Bio states that HPLC testing is used within its quality-control program |
| Mass Spectrometry | Helix Bio states that mass spectrometry is used for identity confirmation |
| Packaging | Verify current product specification |
| Storage | Follow the current product label and COA |
| Manufacturer / Supplier | Helix Bio |
| Country of Origin | Not specified; verify current product documentation |
| Shelf Life | Verify current lot documentation |
Important: Exact concentration, formulation details, purity, storage conditions, and shelf life should be taken from the current Selank Spray product documentation and applicable lot-specific COA. Do not substitute specifications from another Selank product or supplier.
Selank has been investigated primarily in experimental neurobiology and related research areas. The available literature includes preclinical work rather than a basis for making therapeutic claims.
Researchers have examined Selank in relation to brain activity, behavioral responses, and neurotransmitter-associated pathways. Experimental studies have investigated serotonin and noradrenaline levels and behavioral measures in animal models.
Some experimental research has examined Selank in relation to brain-derived neurotrophic factor and associated molecular pathways. A 2019 animal study investigated Selank alongside BDNF measurements in the hippocampus and prefrontal cortex.
Selank has also been studied for changes in the expression of genes associated with immune and inflammatory signaling in experimental models. Such work can help researchers examine how peptide compounds interact with biological signaling networks.
Animal studies have investigated Selank in experimental models involving stress, learning, attention, and behavioral adaptation. Results from animal models cannot automatically be generalized to humans and should be interpreted within the limitations of each study.
As a defined synthetic heptapeptide, Selank can also be relevant to research examining the relationship between peptide sequence, molecular structure, biological interactions, and experimental activity.
Quality control is particularly important when working with synthetic peptides because impurities, degradation products, truncated sequences, and incorrect identity can affect experimental interpretation.
Helix Bio states that its research peptide catalog uses third-party HPLC and mass-spectrometry testing and provides batch-specific Certificates of Analysis. Its website describes HPLC as a method for verifying chromatographic purity and mass spectrometry as a complementary method for confirming molecular identity.
For Selank Spray, researchers should review the applicable COA rather than relying only on a general catalog-level purity statement.
A useful peptide COA should allow a researcher to associate the analytical results with the exact lot received. Relevant information may include:
Helix Bio's public FAQ also emphasizes matching the lot number on the COA with the vial or product received.
No certification, accreditation, or third-party result should be assumed unless it is explicitly documented for the applicable product or lot.
Proper peptide storage helps reduce avoidable degradation and supports analytical consistency.
Researchers should always prioritize the storage instructions supplied with the specific product and lot. General peptide-handling literature notes that long-term storage of lyophilized peptides is commonly performed under frozen conditions and that repeated freeze-thaw cycles can contribute to degradation once a peptide has been placed into solution.
General laboratory considerations include:
Do not assume that general peptide storage recommendations replace the manufacturer's instructions.
Helix Bio describes its research materials as products intended for laboratory and scientific research. The website also describes cold-chain handling and tracked shipping as part of its fulfillment process. Exact packaging configuration, shipping conditions, delivery timelines, and applicable restrictions should be confirmed against the current Helix Bio shipping policy and product documentation.
For research procurement, customers should verify that the received product matches the order and that the lot information corresponds with the applicable Certificate of Analysis.
Research Use Only.
Selank Spray is supplied strictly for laboratory and scientific research purposes. It is not intended for human or veterinary use, ingestion, injection, inhalation, diagnosis, treatment, cure, prevention, or mitigation of any disease or medical condition.
This product is not represented as an FDA-approved drug or medical treatment. Research materials should be handled only by appropriately qualified personnel in accordance with applicable laws, institutional policies, laboratory safety procedures, and approved research protocols.
Research findings involving Selank should not be interpreted as evidence of safety, efficacy, or therapeutic benefit in humans. Animal and preclinical findings may not translate to human outcomes.
Helix Bio states that its products are research and laboratory materials and are not intended for human or veterinary administration.
Researchers are responsible for determining whether a particular material is appropriate and lawful for their intended experimental application.
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base
Knowledge Base

What bacteriostatic water contains, how it differs from sterile water and saline, where the 28-day opened-vial figure comes from, and what a COA can show.

Do you need a prescription for peptides? It depends on the category. See which peptides need one, which do not, and the dated 2026 FDA rules that apply.

The complete 2026 list of FDA-approved peptides: 47 drugs by category and approval year, which popular peptides are not approved, and pipeline to watch.