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.
Brain-gut Axis and Pentadecapeptide BPC 157: Theoretical and Practical Implications.
Sikiric P, et al. · Current neuropharmacology · 2016
Stable Gastric Pentadecapeptide BPC 157 May Recover Brain-Gut Axis and Gut-Brain Axis Function.
Sikiric P, et al. · Pharmaceuticals (Basel, Switzerland) · 2023
BPC 157 Rescued NSAID-cytotoxicity Via Stabilizing Intestinal Permeability and Enhancing Cytoprotection.
Park JM, et al. · Current pharmaceutical design · 2020
Pentadecapeptide BPC 157 and the central nervous system.
Vukojevic J, et al. · Neural regeneration research · 2022
Cytoprotective gastric pentadecapeptide BPC 157 resolves major vessel occlusion disturbances, ischemia-reperfusion injury following Pringle maneuver, and Budd-Chiari syndrome.
Sikiric P, et al. · World journal of gastroenterology · 2022
Stable Gastric Pentadecapeptide BPC 157 as Useful Cytoprotective Peptide Therapy in the Heart Disturbances, Myocardial Infarction, Heart Failure, Pulmonary Hypertension, Arrhythmias, and Thrombosis Presentation.
Sikiric P, et al. · Biomedicines · 2022
Stable Gastric Pentadecapeptide BPC 157, Robert's Stomach Cytoprotection/Adaptive Cytoprotection/Organoprotection, and Selye's Stress Coping Response: Progress, Achievements, and the Future.
Sikiric P, et al. · Gut and liver · 2020
Stress in Gastrointestinal Tract and Stable Gastric Pentadecapeptide BPC 157. Finally, do we have a Solution?
Sikiric P, et al. · Current pharmaceutical design · 2017
The beneficial effect of BPC 157, a 15 amino acid peptide BPC fragment, on gastric and duodenal lesions induced by restraint stress, cysteamine and 96% ethanol in rats. A comparative study with H2 receptor antagonists, dopamine promotors and gut peptides.
Sikiric P, et al. · Life sciences · 1994
New studies with stable gastric pentadecapeptide protecting gastrointestinal tract. significance of counteraction of vascular and multiorgan failure of occlusion/occlusion-like syndrome in cytoprotection/organoprotection.
Sikiric P, et al. · Inflammopharmacology · 2024
The effect of pentadecapeptide BPC 157 on hippocampal ischemia/reperfusion injuries in rats.
Vukojević J, et al. · Brain and behavior · 2020
Pentadecapeptide BPC 157 resolves suprahepatic occlusion of the inferior caval vein, Budd-Chiari syndrome model in rats.
Gojkovic S, et al. · World journal of gastrointestinal pathophysiology · 2020
Stable gastric pentadecapeptide BPC 157 in honeybee (Apis mellifera) therapy, to control Nosema ceranae invasions in apiary conditions.
Tlak Gajger I, et al. · Journal of veterinary pharmacology and therapeutics · 2018
From Selye's and Szabo's Cysteamine-Duodenal Ulcer in Rats to Dopamine in the Stomach: Therapy Significance and Possibilities.
Sikiric P, et al. · Pharmaceuticals (Basel, Switzerland) · 2023
Direct cellular effects of some mediators, hormones and growth factor-like agents on denervated (isolated) rat gastric mucosal cells.
Bódis B, et al. · Journal of physiology, Paris · 1997
Peptide profiles

BPC-157
A pentadecapeptide studied in preclinical tissue-repair research.
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TB-500
A synthetic fragment related to Thymosin Beta-4, studied in cell-migration research.
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GHK-Cu
A copper tripeptide (Gly-His-Lys) studied in in-vitro dermatological research.
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AHK-Cu
A copper tripeptide (Ala-His-Lys) studied in vitro on the hair follicle.
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Retatrutide
A multi-receptor research compound studied in a metabolic context.
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 |
| Retatrutide | Metabolic | Triple-receptor agonist (investigational) | 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