The Peptide Library

GLOW is a fixed research blend of GHK-Cu, BPC-157, and TB-500 — three compounds studied in overlapping tissue-repair and extracellular-matrix contexts. A research-use profile of why they're grouped.

KLOW is a four-component research blend that adds the KPV tripeptide to the GHK-Cu / BPC-157 / TB-500 grouping. A research-use profile of what KPV changes about the blend's research theme.

Wolverine is the two-component research blend of BPC-157 and TB-500 — the most classic peptide pairing in the soft-tissue-repair literature. A research-use profile of why the two are studied together.

Cerebrolysin is a porcine-brain-derived peptide preparation — a mixture, not one peptide — studied in neuroscience research. A research-use profile that treats it accurately as a preparation.

Dihexa is an angiotensin IV–derived peptidomimetic studied in synaptogenesis research. A research-use profile: its angiotensin lineage, its unusual small structure, and handling.

DSIP (Delta Sleep-Inducing Peptide) is a naturally occurring nonapeptide studied in sleep-regulation research. A research-use profile: its sequence, its discovery origin, and handling.

N-Acetyl Selank is the N-terminally acetylated form of Selank — a peptide-chemistry stability modification. A research-use profile focused on the acetylation, not a rewrite of the parent.

N-Acetyl Semax is the N-terminally acetylated form of Semax — a terminal stability modification. A research-use profile centered on the acetylation and its handling implications.

Selank is a synthetic analog of the immunomodulatory tetrapeptide tuftsin, studied in behavioral and neurochemistry research. A research-use profile: sequence, tuftsin lineage, and handling.

Semax is a synthetic heptapeptide analog of the ACTH(4-10) sequence, part of the Russian regulatory-peptide research lineage. A research-use profile: sequence, ACTH origin, and handling.

CJC-1295 without DAC is a modified GRF(1-29) peptide studied as a short-acting GHRH-receptor analog. A research profile: what the four substitutions do, why 'no DAC' matters, and its research contexts.

CJC-1295 / ipamorelin is the canonical research pairing of a GHRH analog with a ghrelin-receptor secretagogue. A profile of why two mechanisms are studied as one combination.

CJC-1295 with DAC is a GHRH analog carrying a Drug Affinity Complex that binds serum albumin to extend circulating half-life. A research profile centered on what the DAC linker actually does.

GHRP-2 (pralmorelin) is a hexapeptide ghrelin-receptor secretagogue, a second-generation GHRP. A research profile of where it sits among the growth-hormone-releasing peptides.

GHRP-6 is the original hexapeptide ghrelin-receptor secretagogue, historically important for pointing researchers toward ghrelin itself. A research profile of the first GHRP.

Hexarelin is a potent hexapeptide ghrelin-receptor secretagogue, notable for a CD36 interaction studied in cardiac-tissue contexts. A research profile of what makes it distinct among the GHRPs.

HGH Fragment 176-191 is a 16-residue C-terminal piece of the growth-hormone molecule, studied in lipid-metabolism contexts rather than as a GH secretagogue. A profile of a genuinely different mechanism.

Ipamorelin is a selective ghrelin-receptor pentapeptide studied as a GH secretagogue. A research profile focused on why 'selective' is the word that defines it against the older GHRPs.

MK-677 (ibutamoren) is a non-peptide, orally active ghrelin-receptor secretagogue. A research profile of the one molecule in this cluster that is not a peptide at all.

Sermorelin is GRF(1-29), the native active fragment of human GHRH and the parent sequence behind the modified analogs. A research profile with the full 29-residue sequence.

Tesamorelin is a stabilized analog of full-length GHRH(1-44) with an N-terminal hexenoyl modification. A research profile centered on the 44-residue backbone and what the acyl group does.

Thymosin Alpha-1 (Tα1 / thymalfasin) is a defined 28-residue, N-terminally acetylated thymic peptide derived from prothymosin alpha, studied in immune-modulation research. A research-use profile.

Cartalax is a synthetic short peptide in the Russian bioregulator family, distinguished by a connective-tissue and cartilage research emphasis. A research-use profile distinct from epitalon and pinealon.

Epitalon (AEDG) is a synthetic four-residue peptide from the Russian bioregulator tradition, studied in aging and telomere biology research. A research-use profile: sequence, lineage, and handling.

FOXO4-DRI is a D-retro-inverso peptide designed around the FOXO4-p53 interaction, used as a tool in cellular senescence and senolytic research. A research-use profile: format, design rationale, and handling.

Humanin is a 24-residue mitochondrial-derived peptide encoded within the 16S rRNA region of mtDNA, studied in cellular-stress and aging research. A research-use profile with an accurate origin note.

NAD+ is a dinucleotide coenzyme — not a peptide — central to cellular redox and energy metabolism, studied in aging and sirtuin research. A research-use profile with an accurate chemistry note.

Pinealon (Glu-Asp-Arg) is a synthetic tripeptide from the Russian bioregulator family, studied with a focus on neuronal and brain-tissue research. A research-use profile distinct from epitalon.

SS-31 (elamipretide) is a synthetic aromatic-cationic tetrapeptide studied for its association with cardiolipin at the inner mitochondrial membrane. A research-use profile: class, chemistry, and handling.

Thymalin is a thymic peptide preparation — a polypeptide fraction rather than a single sequence — studied in immune and aging research. A research-use profile with an accurate note on its complex nature.

5-Amino-1MQ is a small-molecule NNMT inhibitor — not a peptide — studied as a research compound in metabolic-enzyme science. Its research-use profile: chemistry, the NNMT target, and handling.

AOD-9604 is a modified C-terminal fragment analog of growth hormone — a distinct lineage from the incretin peptides. A research-use profile: its fragment origin, chemistry, and handling.

Cagrilintide is a long-acting amylin analog studied as a research compound — a different receptor family from the incretin agonists it is often paired with. Its research-use profile and handling.

MOTS-c is a mitochondrial-derived peptide — one encoded in the mitochondrial genome rather than nuclear DNA. A research-use profile: its unusual genomic origin and handling.

Retatrutide is an investigational single-molecule triple receptor agonist (GIP/GLP-1/glucagon) studied as a research compound. Its research-use profile: the tri-agonist design and handling.

Semaglutide is a long-acting GLP-1 receptor agonist studied as a research compound in metabolic science. A research-use profile: molecular class, the albumin-binding acylation design, and handling.

Tirzepatide is a single-molecule dual GIP/GLP-1 receptor agonist studied as a research compound in metabolic science. Its research-use profile: the twincretin design and handling.

Follistatin-344 is a recombinant isoform of the activin-binding glycoprotein follistatin, studied in the context of the myostatin/activin (TGF-β) signaling system. A research-use profile.

IGF-1 LR3 (Long R3) is an engineered analog of insulin-like growth factor 1, modified to reduce binding-protein association. A research-use profile of the LR3 modifications and IGF-axis context.

PEG-MGF is a PEGylated form of Mechano-Growth Factor, a peptide from an IGF-1 splice variant, where the PEG conjugation targets half-life. A research-use profile of the splice-variant and pegylation angles.

ARA-290 (cibinetide) is a short, non-erythropoietic peptide modeled on erythropoietin's helix B surface. A research-use profile: its EPO-derived design, why 'non-erythropoietic' matters, and handling.

BPC-157 is a synthetic 15-residue peptide studied across models of tendon, muscle, and gut-lining repair. A research-use profile: sequence, class, research contexts, and how it's handled.

GHK-Cu is the tripeptide Gly-His-Lys bound to copper(II). A research-use profile: the peptide-copper coordination chemistry that defines it, its research contexts, and how it's handled.

KPV is a three-residue peptide taken from the C-terminus of α-MSH. A research-use profile: its melanocortin origin, why the tripeptide is studied on its own, and how it's handled.

Larazotide is a synthetic octapeptide studied in the context of intestinal tight junctions and the zonulin pathway. A research-use profile: its barrier-regulation angle and handling.

LL-37 is the only human cathelicidin, a 37-residue host-defense peptide cleaved from hCAP18. A research-use profile: its cathelicidin lineage, amphipathic structure, and handling.

Pentosan polysulfate is a semi-synthetic polysulfated polysaccharide — a sugar polymer, not a peptide. A research-use profile: what it actually is chemically, its research contexts, and handling.

TB-500 is a synthetic peptide built around the actin-binding region of thymosin β4. A research-use profile: its Tβ4 lineage, the actin-sequestering biology it descends from, and how it's handled.

VIP is a 28-residue neuropeptide of the secretin/glucagon superfamily. A research-use profile: its neuropeptide-family lineage, receptor context, and how it's handled.

Kisspeptin-10 is the C-terminal decapeptide of the KISS1 protein and the natural ligand for GPR54 (KISS1R), studied as an upstream signal in HPG-axis research. A research-use profile.

Melanotan II is a synthetic cyclic analog of α-MSH studied as a non-selective melanocortin-receptor agonist. A research-use profile: structure, receptor family, and handling — no use guidance.

Oxytocin is a well-characterized endogenous nonapeptide neurohormone, a long-studied reference molecule in social-neuroscience and receptor research. A research-use profile: structure and research context.

PT-141 (bremelanotide) is a cyclic melanocortin-receptor agonist peptide derived from the α-MSH lineage, studied as a centrally acting probe of melanocortin signaling. A research-use profile.