Peptide Research Library
Referenced overviews of the research compounds TWO+DOS supplies. Every article follows the same structure: verified physicochemical identity data, published preclinical findings cited to PMID and DOI, and laboratory handling information. Sources are limited to peer-reviewed literature and public chemistry databases.
38 compounds · 456 cited studies · how these are sourced
For research use only. Not for human or veterinary use. Not for diagnostic or therapeutic use.
38 articles
Tissue repair
Peptides studied in wound, tendon and vascular repair models.
BPC-157: Research Overview, Chemistry and Published Literature
A referenced overview of BPC-157 (GEPPPGKPADDAGLV): sequence, CAS number, mass, pathways studied in preclinical models, analytical data. Research use only.
Research overview · 17 cited studies · reviewed 2026-08-13
BPC-157 vs TB-500: A Chemistry and Mechanism Comparison
How BPC-157 and TB-500 differ as molecules: sequence, mass, the molecular targets studied for each, and their analytical characterization. Research use only.
Research comparison · 17 cited studies · reviewed 2026-08-13
GHK-Cu: Copper Coordination Chemistry and Published Research Literature
A referenced overview of GHK-Cu (glycyl-L-histidyl-L-lysine copper): identifiers, copper coordination, catalytic and stability data. Research use only.
Research overview · 13 cited studies · reviewed 2026-08-12
Thymosin Beta-4 (TB-500): Actin Binding, Structure and Recent Studies
Thymosin beta-4 chemistry, G-actin binding constants, solution structure, the Ac-SDKP axis and 2025-2026 preclinical findings. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-12
Growth hormone secretagogues
GHRH analogues and GHS-R1a ligands.
CJC-1295 No DAC: GHRH(1-29) Chemistry and Receptor Pharmacology
A referenced overview of CJC-1295 No DAC (modified GRF 1-29): the four substitutions, GHRH receptor structure, and published detection limits. Research use only.
Research overview · 13 cited studies · reviewed 2026-08-12
CJC-1295 with DAC: Albumin Conjugation Chemistry and Circulating Half-Life
A referenced overview of CJC-1295 with DAC: maleimide-albumin conjugation, the published 5.8-8.1 day half-life, and detection limits. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
GHRP-6: Hexapeptide Chemistry, Receptor Structure and Published Data
A referenced overview of GHRP-6: hexapeptide chemistry, ghrelin receptor structure data, and published preclinical study findings. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Hexarelin: Dual GHS-R1a and CD36 Binding, Chemistry and Published Assay Data
A referenced overview of hexarelin (examorelin, EP-23905): hexapeptide chemistry, dual GHS-R1a and CD36 binding, and published assay values. Research use only.
Research overview · 11 cited studies · reviewed 2026-08-13
IGF-1 LR3: Structure, Binding-Protein Affinity and Receptor Pharmacology
IGF-1 LR3 (LONG R3 IGF-I) explained: 83-residue structure, 689-fold lower IGFBP affinity, IGF1R activity, CHO culture data and detection. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Ipamorelin: Receptor Selectivity, Chemistry and Published Assay Data
A referenced overview of ipamorelin (NNC 26-0161): pentapeptide chemistry, GHS-R1a selectivity and published assay values. Research use only.
Research overview · 11 cited studies · reviewed 2026-08-12
Sermorelin: GRF(1-29) Chemistry, Receptor Data and Peptide Stability
A referenced overview of sermorelin (GRF 1-29): sequence, GHRH receptor structures, plasma clearance figures and published urine detection limits.
Research overview · 12 cited studies · reviewed 2026-08-13
Metabolic and receptor pharmacology
Amylin, incretin and metabolic receptor research.
AOD-9604: Structure, Lipolytic Mechanism and Analytical Detection
AOD-9604 research overview: the Tyr-hGH 177-191 sequence, disulfide loop, lipase and beta-3 adrenergic mechanism, and detection limits. Research use only.
Research overview · 10 cited studies · reviewed 2026-08-13
Cagrilintide: Structure, Receptor Pharmacology and Chemistry
A referenced overview of cagrilintide (AM833): lipidated amylin-analogue chemistry, the substitutions that stabilize it, and cryo-EM structures. Research use only.
Research overview · 10 cited studies · reviewed 2026-08-13
Eloralintide: Amylin Receptor Selectivity, Structure and Chemistry
Eloralintide (LY3841136) explained: AMY1R-selective receptor pharmacology, methylene thioacetal chemistry, lipidation and published identifiers.
Research overview · 11 cited studies · reviewed 2026-08-13
Neuropeptides
Peptides studied in neurological and behavioural models.
DSIP (Delta Sleep-Inducing Peptide): Nonapeptide Chemistry and Research Findings
A referenced overview of DSIP, the nonapeptide delta sleep-inducing peptide: chemistry, EEG and stress-axis findings, stability data. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Kisspeptin-10 (KP-10): KISS1R Binding, Gq Coupling and MMP Cleavage Research
What peer-reviewed literature reports for Kisspeptin-10 (KP-10): KISS1R affinity, Gq/11 coupling, cryo-EM structures, Gly-Leu cleavage and 2024-2026 studies.
Research overview · 12 cited studies · reviewed 2026-08-13
Oxytocin: Nonapeptide Chemistry, OXTR Structure and Magnesium-Dependent Activation
Peer-reviewed sources on Oxytocin: nonapeptide chemistry, OXTR cryo-EM structures, magnesium and cholesterol allostery, plasma kinetics and 2025-2026 studies.
Research overview · 12 cited studies · reviewed 2026-08-13
Selank: Tuftsin-Derived Chemistry and GABAergic Pharmacology
A referenced overview of Selank (TP-7): tuftsin-derived heptapeptide chemistry, allosteric GABA modulation, and rodent transcriptomic findings. Research use only.
Research overview · 11 cited studies · reviewed 2026-08-12
Semax: ACTH(4-7)PGP Heptapeptide Chemistry, Binding and Preclinical Literature
A referenced overview of Semax (ACTH(4-7)PGP): sequence, molecular identity, published binding constants and rodent transcriptome findings. Research use only.
Research overview · 13 cited studies · reviewed 2026-08-12
Tesofensine: Phenyltropane Chemistry and Monoamine Transporter Structure
A referenced overview of tesofensine: phenyltropane structure, DAT/NET/SERT cryo-EM binding poses, metabolism and urinary detection. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Immune and antimicrobial
Host-defence peptides and immune-signalling research.
ARA-290 (Cibinetide): Innate Repair Receptor Pharmacology and Research Findings
ARA-290 (cibinetide) from the literature: EPOR/CD131 heteroreceptor pharmacology, verified identifiers, clinical and 2023-2026 rodent data. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
KPV (Lys-Pro-Val): PepT1 Transport and NF-κB Signaling Research
What the published literature reports for KPV (Lys-Pro-Val), the C-terminal α-MSH tripeptide: PepT1 uptake, NF-κB signaling, and 2023-2026 studies.
Research overview · 12 cited studies · reviewed 2026-08-13
LL-37 (Cathelicidin): Membrane Mechanism and Immune Signaling Research
How published research characterizes LL-37: helix-bend-helix structure, membrane permeabilization, FPR2 chemotaxis, and 2025-2026 findings. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Thymosin Alpha-1 (Tα1): Structure, Prothymosin Origin and TLR Signaling Research
How published research characterizes thymosin alpha-1: 28-residue structure, prothymosin alpha origin, TLR9 and TLR7 signaling, and 2024-2026 findings.
Research overview · 12 cited studies · reviewed 2026-08-13
VIP (Vasoactive Intestinal Peptide): VPAC1 and VPAC2 Receptor Research
Peer-reviewed findings for VIP (vasoactive intestinal peptide): VPAC1 and VPAC2 pharmacology, the 2.7 Å cryo-EM structure, and 2024-2026 studies.
Research overview · 12 cited studies · reviewed 2026-08-13
Mitochondrial and cellular ageing
Mitochondrial signalling, redox chemistry and senescence research.
5-Amino-1MQ: Quinolinium Chemistry and NNMT Enzyme Inhibition
A referenced overview of 5-Amino-1MQ: quinolinium structure, identifiers, NNMT active-site pharmacology, reported potency and assay methods. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Methylcobalamin: Corrin Structure, Methionine Synthase Chemistry and Cell Trafficking
A referenced overview of methylcobalamin: corrin structure, identifiers, methionine synthase chemistry, cellular trafficking and handling. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
Epithalon: Telomerase Signaling, DNA Binding and Peptide Chemistry
Epithalon (AEDG tetrapeptide) explained: telomerase and hTERT findings, DNA and histone binding, and 2023-2026 cell studies. Research use only.
Research overview · 11 cited studies · reviewed 2026-08-12
Glutathione (GSH): Redox Chemistry, Ferroptosis and Compartment Transport Research
What published research reports for glutathione (GSH): redox chemistry, GPX4 and ferroptosis, and 2023-2026 compartment transport findings. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
LIPO-C (Methionine, Inositol, Choline, Cyanocobalamin): Research Overview
Structural chemistry, transporter and enzyme pharmacology, stability and analytical characterisation of the four LIPO-C components. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
MOTS-c: Mitochondrial Microprotein Structure and Signalling Mechanism
A referenced overview of MOTS-c: its 12S rRNA open reading frame, folate-cycle and AMPK mechanism, and nuclear translocation. Research use only.
Research overview · 10 cited studies · reviewed 2026-08-12
NAD+: Redox Coenzyme, Signalling Substrate and Compartmental Pools
A referenced overview of NAD+: structure and identifiers, the NAD+/NADH couple, consuming enzymes, transport, and measurement. Research use only.
Research overview · 10 cited studies · reviewed 2026-08-13
NMN (Nicotinamide Mononucleotide): Chemistry, Transport and NAD+ Precursor Research
A referenced overview of NMN: identifiers, salvage-pathway position, Slc12a8 and CD73 transport, human NAD+ trial data and stability. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
SLU-PP-332: Acylhydrazone Chemistry and Pan-ERR Receptor Pharmacology
A referenced overview of SLU-PP-332: acylhydrazone chemistry, pan-ERR agonist potency at ERRα, ERRβ and ERRγ, and LC-HRMS analysis. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13
SS-31 (Elamipretide): Cardiolipin Binding and Mitochondrial Membrane Research
How published research characterizes SS-31 (elamipretide): cardiolipin affinity, cristae structure, and 2023-2026 cell and rodent findings. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-12
Melanocortin receptor ligands
MC1R to MC5R receptor pharmacology.
MT-II (Melanotan II): Melanocortin Receptor Pharmacology and Structure
What peer-reviewed sources report for MT-II (melanotan II): cyclic lactam chemistry, MC1R-MC5R receptor pharmacology, stability and analytical data.
Research overview · 12 cited studies · reviewed 2026-08-13
PT-141 (Bremelanotide): Melanocortin Receptor Selectivity and Peptide Chemistry
What peer-reviewed sources report for PT-141 (bremelanotide): cyclic lactam chemistry, MC1R-MC5R selectivity, cryo-EM binding pose and 2023-2026 stability data.
Research overview · 12 cited studies · reviewed 2026-08-13
Cosmetic and topical
Compounds characterised in dermal and topical research.
SNAP-8 (Acetyl Octapeptide-3): Sequence, SNARE Chemistry and Research Literature
A referenced overview of SNAP-8 (acetyl octapeptide-3), CAS 868844-74-0: sequence, mass, SNAP-25 chemistry and permeation data. Research use only.
Research overview · 12 cited studies · reviewed 2026-08-13