Scientific articles on peptide research, analytical methods, and quality documentation. Every claim cites peer-reviewed literature with PMIDs.
A research overview of 5-Amino-1MQ, a small-molecule NNMT inhibitor studied for its role in cellular NAD+ and methyl-donor metabolism and its relevance to cellular aging research models. For research purposes only.
A research overview of glutathione (GSH): its gamma-glutamyl tripeptide structure, the cellular redox cycle, and GSH/GSSG ratio in oxidative stress models.
A research landscape guide to the primary compound categories investigators use in longevity and cellular aging science — mitochondria-targeted peptides, senescent cell models, redox compounds, telomere biology, and GH secretagogue research. For research purposes only.
A research overview of MOTS-c, covering its origin in the mitochondrial 12S rRNA gene, its 16-amino-acid sequence, its role as a mitochondrial-derived peptide in metabolic and AMPK pathway research, and its study in cellular aging and energy homeostasis models. For research purposes only.
A research overview of NAD+, covering its molecular structure, function as a coenzyme in cellular redox reactions, role as a substrate for sirtuin and PARP enzymes, and its study in cellular aging models. For research purposes only.
Peptide Sciences shut down in 2026. Compare the top alternative for research peptides: 99%+ verified purity, third-party CoAs, HPLC, and endotoxin testing.
Peptide Sciences closed with no warning on March 6, 2026. Here's what actually happened, why they shut down, and the vetted suppliers researchers moved to.
Comprehensive study of BPC-157 molecular structure, signaling pathways, and regenerative biological mechanisms. Synthesis of peer-reviewed data and structural findings.
Technical review of GLP-1 receptor agonist molecular mechanisms, binding affinity, and structural analogs. Analysis of current research models and peer-reviewed findings.
Analysis of High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry protocols for research-grade peptide verification. Technical overview of purity standards and identity confirmation.
Read a research peptide CoA line by line: HPLC purity, mass spec identity, endotoxin limits, and the red flags that signal a batch you should reject.
Research-focused comparison of Semax, Selank, and Dihexa examining BDNF modulation, anxiolytic mechanisms, HGF/c-Met signaling, and neuroprotective findings in published literature.
Comparative analysis of GHS peptides including CJC-1295, Ipamorelin, Sermorelin, and Tesamorelin. Molecular weights, binding sequences, and published receptor findings.
Research comparison of Epitalon, FOXO4-DRI, and GHK-Cu examining telomerase activation, senescent cell clearance, and copper-peptide tissue remodeling in published scientific literature.
A research-focused comparison of GLP-1, GIP, and dual GIP/GLP-1 agonist peptides including tirzepatide, examining receptor binding, metabolic mechanisms, and published research outcomes.
Critical assessment of quality documentation in the research peptide industry. Analysis of CLIA certification, GMP compliance, and Specification Standard requirements for research compound verification.
Molecular analysis comparing regenerative research peptides: BPC-157, TB-500, and Epitalon. Analysis of amino acid sequences, signaling mechanisms, and structural data.