The NeuroLabs research peptide catalog spans dozens of synthetic peptides supplied strictly for laboratory research use only, each characterized to ≥99% purity and accompanied by third-party Certificate of Analysis (COA) documentation. Rather than list compounds alphabetically, this overview organizes the catalog the way benchtop scientists actually approach it — by research application. The goal is to help principal investigators, procurement staff, and lab technicians quickly locate the mechanistic class relevant to a given in-vitro or preclinical study design.
Research Use Only (RUO). All products described here are intended solely for laboratory research. They are not for human or veterinary use, are not evaluated by the FDA, and are not intended to diagnose, treat, cure, or prevent any disease. Nothing below constitutes medical guidance or a dosing protocol for any living subject. All references describe mechanisms and published preclinical or in-vitro findings only.
How the catalog is organized
Peptides are short chains of amino acids that act as signaling molecules — binding receptors, modulating enzymes, or mimicking endogenous ligands. Because a single peptide can touch several pathways, we group the catalog by the primary research application each compound is most studied for. For a deeper taxonomy of how these molecules are classified, see our companion piece on peptide classes and research taxonomy, and if you are new to the category, start with Research Peptides 101.
| Research application | Representative catalog compounds | Primary mechanism studied |
|---|---|---|
| Tissue repair & extracellular matrix | BPC-157, TB-500, GHK-Cu | Angiogenesis, fibroblast migration, growth-factor signaling |
| Growth-hormone axis (secretagogues) | Tesamorelin, CJC-1295, Ipamorelin, Sermorelin | GHRH / ghrelin-receptor stimulation of endogenous GH release |
| Metabolic & incretin models | Cagrilintide, Semaglutide analogs, Retatrutide analogs | Amylin, GLP-1, GIP receptor agonism |
| Neuropeptides & cognition | Semax, Selank, Dihexa, PE-22-28 | BDNF modulation, GABAergic tone, neurotrophic signaling |
| Pigmentation & melanocortin | Melanotan II, PT-141 | MC1R / MC4R melanocortin-receptor activity |
| Immune & cytoprotection | Thymosin alpha-1, Epithalon | Immunomodulation, telomerase expression |
Tissue-repair research peptides
This is one of the most heavily investigated groups in preclinical literature. BPC-157 (10mg) is a synthetic pentadecapeptide derived from a sequence found in gastric juice; research models have examined its relationship to angiogenic signaling, the VEGFR2 pathway, and fibroblast dynamics in wound-healing and tendon-cell assays. Companion compounds such as TB-500 (a thymosin beta-4 fragment) are studied for actin regulation and cell migration, while GHK-Cu is examined as a copper-binding tripeptide in extracellular-matrix and collagen-expression models. These peptides are frequently paired in study designs — a rationale explored in our peptide blends overview.
Growth-hormone secretagogues
Secretagogues do not supply growth hormone directly; instead they are researched as stimuli that prompt the pituitary to release endogenous GH. Tesamorelin (10mg) is a stabilized analog of growth-hormone-releasing hormone (GHRH) studied for its interaction with GHRH receptors and downstream IGF-1 signaling in preclinical metabolic and adipose-tissue models. This class also includes ghrelin-receptor agonists like Ipamorelin and the GHRH analog CJC-1295, which researchers sometimes combine to study synergistic pulsatile-release dynamics.
Why researchers distinguish GHRH analogs from GHRPs
- GHRH analogs (Tesamorelin, CJC-1295, Sermorelin) act on the GHRH receptor to amplify the natural GH pulse.
- GHRPs / ghrelin mimetics (Ipamorelin, GHRP-2, GHRP-6) act on the GHS-R1a receptor via a distinct pathway.
- The two mechanisms are often studied together because they engage independent receptor systems.
Metabolic and incretin-pathway peptides
Among the fastest-growing research areas, this group targets the incretin and amylin systems. Cagrilintide (5mg) is a long-acting amylin analog investigated in preclinical models for its agonism at amylin and calcitonin receptors and its role in energy-balance signaling. Researchers frequently study amylin analogs alongside GLP-1 receptor agonists to model complementary satiety and glucose-handling pathways. Because these compounds have complex receptor pharmacology, careful reconstitution and characterization are essential for reproducible in-vitro work.
Neuropeptides for cognition and neuroprotection research
Semax (10mg) is a synthetic heptapeptide derived from a fragment of ACTH(4-10) and studied in preclinical neuroscience for its association with brain-derived neurotrophic factor (BDNF) expression and modulation of the dopaminergic and serotonergic systems. Related neuropeptides such as Selank (an analog of the immunomodulatory peptide tuftsin) are researched for GABAergic and anxiolytic-pathway effects in animal models. This class is a frequent subject of blood-brain-barrier permeability and neurotrophic-signaling studies.
Reading the catalog: what accompanies every product
Every NeuroLabs listing is standardized so a lab can evaluate suitability before purchase:
- Sequence & molecular data — full amino-acid sequence, molecular formula, and molecular weight.
- Purity & COA — ≥99% purity verified by third-party HPLC and mass-spectrometry analysis, with a downloadable Certificate of Analysis where available.
- Presentation — lyophilized (freeze-dried) peptide, typically as a sterile powder, with fill mass stated (e.g., 5mg, 10mg).
- Lab handling notes — storage and reconstitution guidance for research preparation.
General laboratory handling
Lyophilized peptides are generally shipped at ambient temperature (they are stable short-term) but are best stored desiccated at −20°C for long-term research use. For reconstitution in the lab, bacteriostatic or sterile water is commonly used; once in solution, most peptides are stored refrigerated and used within a defined window to limit degradation. These are handling notes for preparing research material — not usage instructions for any living subject. Unfamiliar terms are defined in our research peptide glossary.
Choosing compounds and a supplier
Reproducible research depends as much on sourcing as on study design. Third-party COA verification, consistent purity, transparent sequence data, and reliable domestic logistics all reduce experimental variability. NeuroLabs ships same-day from the USA with COA-backed documentation; for a framework on evaluating any vendor, see choosing a research peptide supplier. For the broader scientific context that ties all of these classes together, return to the pillar guide, Research Peptides: The Complete Lab Guide.
Reminder: the compounds described in this catalog overview are supplied for laboratory research use only and are not for human or veterinary use.