Research Library
Scientific articles on peptide research, analytical methods, and quality documentation. Every claim cites peer-reviewed literature with PMIDs.
IpamorelinGH SecretagoguesGHRPGhrelin ReceptorResearch PeptidesPerformance Research
A research overview of ipamorelin, a synthetic pentapeptide studied as a selective growth hormone secretagogue receptor agonist. Covers molecular structure, ghrelin receptor pharmacology, selectivity profile compared to first-generation GHRPs, and why it is studied alongside CJC without DAC in GH axis research. For research purposes only.
8 min readJun 27, 2026
Supplier QualificationResearch PeptidesQuality AssuranceCertificate of AnalysisHPLC TestingPerformance Research
A practical framework for qualifying research peptide suppliers based on documentation standards, analytical testing requirements, and quality infrastructure. Covers batch-specific COA verification, HPLC and mass spectrometry requirements, endotoxin testing, and cold-chain handling — for research purposes only.
9 min readJun 27, 2026
SermorelinGHRHGH SecretagoguesGHRH ReceptorResearch PeptidesPerformance Research
A research overview of sermorelin acetate, a synthetic peptide corresponding to the first 29 amino acids of endogenous growth hormone releasing hormone. Covers molecular structure, GHRH receptor pharmacology, how it differs mechanistically from ghrelin-based GH secretagogues, and its role in GH axis research. For research purposes only.
8 min readJun 27, 2026
TesamorelinGHRHGH SecretagoguesGHRH ReceptorResearch PeptidesPerformance Research
A research overview of tesamorelin, a synthetic stabilized analog of the full-length 44-amino-acid growth hormone releasing hormone. Covers molecular architecture, GHRH receptor pharmacology, the mechanism of GH-axis pulsatile signaling, and how tesamorelin's structural stabilization distinguishes it from native GHRH and shorter synthetic fragments in research models. For research purposes only.
8 min readJun 27, 2026
Quality DocumentationCoA StandardsCLIAGMPComparison
What separates research-grade documentation from marketing claims? Technical breakdown of CLIA certification, GMP compliance, testing methodology comparison, and CoA evaluation criteria for performance research procurement.
10 min readMar 23, 2026
Performance research comparison of GLP-1, GIP, and dual GIP/GLP-1 agonist peptides including tirzepatide — receptor binding mechanisms, metabolic signaling pathways, and published preclinical findings.
8 min readMar 22, 2026
Performance research comparison of Epitalon, FOXO4-DRI, and GHK-Cu examining telomerase activation, senescent cell apoptosis mechanisms, and copper-peptide tissue remodeling in published literature.
8 min readMar 20, 2026
Performance research comparison of BPC-157, TB-500, and Epitalon: amino acid sequences, molecular weights, proposed mechanisms, and cell culture model data from published literature.
8 min readMar 19, 2026
Peptide SciencesAlternativeResearch CompoundsSupplier ComparisonQuality Testing
Peptide Sciences shut down in March 2026. Prove It Performance offers 43 research-grade compounds at ≥99% purity, independent third-party CoAs, and cold-chain shipping on every order.
9 min readMar 18, 2026
Peptide SciencesIndustry NewsResearch CompoundsMarket AnalysisPeptide Suppliers
Peptide Sciences shut down March 6, 2026, leaving researchers without a supplier. Analysis of what happened, why they closed, and what to demand from alternative vendors.
10 min readMar 18, 2026
GH SecretagoguesComparisonCJC-1295IpamorelinGHRH
Head-to-head comparison of GHS peptides for performance research labs. Molecular weights, receptor binding, structural modifications, and published pharmacological specifications.
9 min readMar 17, 2026
Performance research comparison of Semax, Selank, and Dihexa examining BDNF modulation, GABA-A receptor interactions, HGF/c-Met signaling, and published preclinical findings. For research purposes only.
8 min readMar 16, 2026
Cold-ChainShippingTemperature ControlPeptide StabilityLogistics
Performance research demands documented compound integrity at every stage. Technical review of cold-chain logistics, thermal degradation pathways, and verification standards for research-grade peptide distribution.
8 min readMar 15, 2026
GLP-1Receptor AgonistsMetabolic PeptidesGPCRSemaglutideTirzepatide
Technical breakdown of GLP-1 receptor agonist binding mechanisms, structural analog modifications, and receptor signaling pathways. Grounded in peer-reviewed literature for performance research labs.
12 min readMar 14, 2026
Certificate of AnalysisCoAQuality ControlDocumentationHPLC
A CoA is only as useful as your ability to interpret it. Technical breakdown of HPLC data, mass spectrometry identity confirmation, acceptance criteria, and red flags in research peptide quality documentation.
8 min readMar 13, 2026
BPC-157Cytoprotective PeptidesMolecular MechanismsPublished ResearchTissue Repair
Structural analysis of BPC-157 molecular properties, signaling pathways, and cellular mechanisms documented in peer-reviewed literature. Essential reference for performance research labs sourcing cytoprotective peptides.
12 min readMar 12, 2026
HPLCMass SpectrometryPurity TestingQuality ControlAnalytical Methods
What does ≥99% purity actually mean — and how do you verify it? Technical breakdown of HPLC and mass spectrometry methods, impurity categories, and what a CoA must contain for performance research applications.
9 min readMar 11, 2026