Research peptide encyclopedia
Neutral, in-vitro / preclinical profiles of research peptides, plus a live scientific search across the PubMed literature. For laboratory research only.
Research axes
Explore research peptides by area to find compounds relevant to your field of study.
Metabolic
Peptides studied in research on metabolism, lipid oxidation and appetite regulation.
Growth hormone
Compounds studied on GH secretion, IGF-1 pathways and anabolic signalling.
Tissue repair
Peptides studied on the repair of tissues, tendons, ligaments and wound healing.
Cognition & focus
Compounds studied on cognition, neuroprotection and synaptic plasticity.
Longevity & anti-ageing
Peptides studied on cellular senescence, telomeres and markers of ageing.
Skin & hair
Peptides studied on skin, collagen, hair and cutaneous anti-ageing.
Hormonal balance
Peptides studied on hormonal balance and the reproductive axis.
Immunity
Peptides studied on immune modulation and the body's defences.
Scientific search engine
Live results from PubMed (NCBI). Research literature only — no medical advice.
Bremelanotide.
— · 2012
Melanocortin Receptor Agonist Bremelanotide Induces Cell Death and Growth Inhibition in Glioblastoma Cells via Suppression of Survivin Expression.
Suzuki S, et al. · Anticancer research · 2024
Bremelanotide: First Approval.
Dhillon S, et al. · Drugs · 2019
Female Sexual Desire, Arousal, and Orgasmic Dysfunctions: A Systematic Review and Meta-Analysis of Treatment Options.
Toledo RG, et al. · Journal of minimally invasive gynecology · 2026
Targeting the central melanocortin system for the treatment of metabolic disorders.
Sweeney P, et al. · Nature reviews. Endocrinology · 2023
Safety Profile of Bremelanotide Across the Clinical Development Program.
Clayton AH, et al. · Journal of women's health (2002) · 2022
Bremelanotide for Treatment of Female Hypoactive Sexual Desire.
Edinoff AN, et al. · Neurology international · 2022
PT-141 Palatin.
Hedlund P · Current opinion in investigational drugs (London, England : 2000) · 2004
Usefulness of ambulatory blood pressure monitoring to assess the melanocortin receptor agonist bremelanotide.
White WB, et al. · Journal of hypertension · 2017
Bremelanotide: New Drug Approved for Treating Hypoactive Sexual Desire Disorder.
Mayer D, et al. · The Annals of pharmacotherapy · 2020
An effect on the subjective sexual response in premenopausal women with sexual arousal disorder by bremelanotide (PT-141), a melanocortin receptor agonist.
Diamond LE, et al. · The journal of sexual medicine · 2006
Bremelanotide for the Treatment of Hypoactive Sexual Desire Disorder: Two Randomized Phase 3 Trials.
Kingsberg SA, et al. · Obstetrics and gynecology · 2019
Prespecified and Integrated Subgroup Analyses from the RECONNECT Phase 3 Studies of Bremelanotide.
Simon JA, et al. · Journal of women's health (2002) · 2022
Small Effects, Questionable Outcomes: Bremelanotide for Hypoactive Sexual Desire Disorder.
Spielmans GI, et al. · Journal of sex research · 2024
Effect of bremelanotide on body weight of obese women: Data from two phase 1 randomized controlled trials.
Spana C, et al. · Diabetes, obesity & metabolism · 2022
Peptide profiles

BPC-157
A pentadecapeptide studied in preclinical tissue-repair research.
Read
TB-500
A synthetic fragment related to Thymosin Beta-4, studied in cell-migration research.
Read
GHK-Cu
A copper tripeptide (Gly-His-Lys) studied in in-vitro dermatological research.
Read
AHK-Cu
A copper tripeptide (Ala-His-Lys) studied in vitro on the hair follicle.
Read
RT-3
A research peptide studied in a metabolic context.
Read
Ipamorelin
A peptide studied in vitro as a selective ghrelin-receptor agonist.
Read
CJC-1295 no DAC
A GHRH analogue studied in vitro for the growth-hormone pathway.
Read
PT-141
A peptide studied in vitro as a melanocortin-receptor agonist.
Read
Selank
A synthetic tuftsin analogue studied in vitro as a nootropic peptide.
Read
Tirzepatide
A research peptide studied in vitro as a dual GLP-1 / GIP agonist.
Read
Semaglutide
A research peptide studied in vitro as a GLP-1 receptor agonist.
ReadPeptide directory
A broad index of research peptides — class-level descriptors, each linking to the PubMed literature. Research use only.
| Peptide | Category | Structure | Research application | PubMed |
|---|---|---|---|---|
| BPC-157 | Tissue repair | Pentadecapeptide (15 aa) | Studied in preclinical / in-vitro research on tissue repair. | View |
| TB-500 | Tissue repair | Thymosin β4 fragment | Studied in preclinical / in-vitro research on cell migration. | View |
| GHK-Cu | Skin & hair | Copper tripeptide (Gly-His-Lys) | Studied in preclinical / in-vitro research on the extracellular matrix. | View |
| AHK-Cu | Skin & hair | Copper tripeptide (Ala-His-Lys) | Studied in preclinical / in-vitro research on the hair follicle. | View |
| RT-3 | Metabolic | Metabolic research peptide | Studied in preclinical / in-vitro research on metabolism. | View |
| Semaglutide | Metabolic | GLP-1 receptor agonist | Studied in preclinical / in-vitro research on metabolism. | View |
| Tirzepatide | Metabolic | Dual GIP/GLP-1 agonist | Studied in preclinical / in-vitro research on metabolism. | View |
| Cagrilintide | Metabolic | Amylin analogue | Studied in preclinical / in-vitro research on metabolism. | View |
| Survodutide | Metabolic | Dual GLP-1/glucagon agonist (investigational) | Studied in preclinical / in-vitro research on metabolism. | View |
| AOD-9604 | Metabolic | hGH fragment (176-191) | Studied in preclinical / in-vitro research on lipid metabolism. | View |
| MOTS-c | Metabolic | Mitochondrial-derived peptide | Studied in preclinical / in-vitro research on energy metabolism. | View |
| CJC-1295 | Growth hormone | GHRH analogue | Studied in preclinical / in-vitro research on GH secretion. | View |
| Ipamorelin | Growth hormone | Pentapeptide (ghrelin agonist) | Studied in preclinical / in-vitro research on GH secretion. | View |
| GHRP-2 | Growth hormone | GH-releasing hexapeptide | Studied in preclinical / in-vitro research on GH secretion. | View |
| GHRP-6 | Growth hormone | GH-releasing hexapeptide | Studied in preclinical / in-vitro research on GH secretion. | View |
| Sermorelin | Growth hormone | GHRH analogue (1-29) | Studied in preclinical / in-vitro research on GH secretion. | View |
| Tesamorelin | Growth hormone | GHRH analogue | Studied in preclinical / in-vitro research on metabolism and GH. | View |
| Hexarelin | Growth hormone | Hexapeptide (ghrelin agonist) | Studied in preclinical / in-vitro research on GH secretion. | View |
| IGF-1 LR3 | Growth hormone | Long-acting IGF-1 analogue | Studied in preclinical / in-vitro research on anabolic signalling (in vitro). | View |
| MK-677 (Ibutamoren) | Growth hormone | GH secretagogue (GHS-R agonist) | Studied in preclinical / in-vitro research on GH secretion. | View |
| Semax | Cognition & focus | Synthetic heptapeptide (ACTH-derived) | Studied in preclinical / in-vitro research on neuroprotection. | View |
| Selank | Cognition & focus | Synthetic heptapeptide (tuftsin-derived) | Studied in preclinical / in-vitro research on anxiolytic effects. | View |
| Cerebrolysin | Cognition & focus | Neurotrophic peptide mixture | Studied in preclinical / in-vitro research on neuroprotection. | View |
| Dihexa | Cognition & focus | Hexapeptide (angiotensin IV-derived) | Studied in preclinical / in-vitro research on synaptogenesis. | View |
| P-21 (P021) | Cognition & focus | CNTF-derived peptide | Studied in preclinical / in-vitro research on neurogenesis. | View |
| Epithalon | Longevity & anti-ageing | Tetrapeptide (Ala-Glu-Asp-Gly) | Studied in preclinical / in-vitro research on telomeres and ageing. | View |
| FOXO4-DRI | Longevity & anti-ageing | FOXO4-p53 interaction inhibitor peptide | Studied in preclinical / in-vitro research on cellular senescence. | View |
| Humanin | Longevity & anti-ageing | Mitochondrial-derived peptide | Studied in preclinical / in-vitro research on cytoprotection. | View |
| Thymalin | Immunity | Thymic peptide | Studied in preclinical / in-vitro research on immune modulation. | View |
| Thymosin Alpha-1 | Immunity | Thymic peptide (28 aa) | Studied in preclinical / in-vitro research on immune modulation. | View |
| LL-37 | Immunity | Antimicrobial peptide (cathelicidin) | Studied in preclinical / in-vitro research on innate immunity. | View |
| KPV | Immunity | Tripeptide (Lys-Pro-Val) | Studied in preclinical / in-vitro research on inflammation (in vitro). | View |
| ARA-290 (Cibinetide) | Tissue repair | EPO-derived peptide (11 aa) | Studied in preclinical / in-vitro research on anti-inflammation and neuroprotection. | View |
| PT-141 (Bremelanotide) | Hormonal balance | Cyclic melanocortin peptide | Studied in preclinical / in-vitro research on melanocortin receptors. | View |
| Kisspeptin-10 | Hormonal balance | Regulatory decapeptide | Studied in preclinical / in-vitro research on the reproductive axis. | View |
| Oxytocin | Hormonal balance | Nonapeptide (neurohormone) | Studied in preclinical / in-vitro research on social behaviour. | View |
| Melanotan II | Skin & hair | α-MSH analogue heptapeptide | Studied in preclinical / in-vitro research on melanocortin receptors. | View |
| SNAP-8 | Skin & hair | Octapeptide (acetyl octapeptide-3) | Studied in preclinical / in-vitro research on the appearance of wrinkles (in vitro). | View |
| PAL-GHK | Skin & hair | Palmitoylated tripeptide | Studied in preclinical / in-vitro research on collagen (in vitro). | View |
39 / 39 peptides · links to PubMed literature.
Research peptides — Research Use Only
- Not for human consumption
- Not for the diagnosis, treatment or prevention of any disease
