Retatrutide: Triple-Agonist Research Compound Overview
A structural and mechanistic overview of the GLP-1/GIP/glucagon triple-receptor agonist, and the metabolic, hepatic, and structural research domains it has been studied in.
Research Notes
PerfectionResearch blog
Compound guides, literature roundups, and practical sourcing guides. For laboratory research use only.
BPC-157: The Complete Research Guide
A research overview of the gastric-derived pentadecapeptide BPC-157, its proposed VEGFR2/angiogenesis and growth-hormone-receptor mechanisms, and the tissue-repair, GI, and neurological research domains where it has been studied.
TB-500: Research Overview of the Actin-Binding Peptide
Chemistry, proposed mechanism, and the research domains — cardiac, ophthalmic, and general tissue repair — where the Thymosin Beta-4 fragment appears most in the literature.
GHK-Cu Deep Dive: Copper Tripeptide in Dermal and Collagen Research
How the copper-binding tripeptide complex is structured, its proposed gene-expression and tissue-remodeling mechanisms, and the dermal, antioxidant, and aging research domains it has been studied in.
GLP-1 Agonist Research Landscape: Semaglutide, Tirzepatide, and Retatrutide Compared
A comparative overview of single-, dual-, and triple-receptor agonist research compounds in the metabolic research literature.
Retatrutide vs. Tirzepatide: Where the 2026 Research Stands
A literature roundup comparing the peer-reviewed trial data behind retatrutide and tirzepatide — and why no head-to-head study between them has been published.
New Peptide Research Published This Quarter (Q2–Q3 2026)
A recurring roundup of newly published, PubMed-indexed peptide research — this installment covers BPC-157's first human safety data and a new NAD+ precursor trial.
FDA Compounding Policy Update: What It Means for RUO Peptide Supply
A summary of recent regulatory developments affecting compounding and research-use peptide supply chains.
How to Evaluate a Research Peptide Supplier: COA Quality, Traceability, and Red Flags
What cold-chain documentation and third-party testing should actually look like.
Reading a Certificate of Analysis: What Every Field Actually Means
A walkthrough of how to interpret HPLC and mass-spec results on a real certificate of analysis.
MOTS-C: Mitochondrial-Derived Peptide Research Overview
A research overview of the mitochondrial-encoded peptide MOTS-c, its proposed AMPK-linked mechanism, and the metabolic, exercise, bone, and aging research domains where it has been studied.
Tesamorelin (TES-10): Growth-Hormone-Releasing Factor Analog in Research Literature
A research overview of the GHRH analog tesamorelin, its receptor-mediated mechanism, and the visceral-fat, hepatic, and cognitive research domains it has been studied in.
NAD+ in Longevity Research: Coenzyme Function and Cellular Energy Metabolism
A research overview of NAD+ as a redox coenzyme and sirtuin cofactor, its age-related decline, and the pharmacokinetic and mitochondrial-function research domains it has been studied in.
Semax (SMX-10): Research Overview of a Neuroprotective Heptapeptide
A research overview of the ACTH(4-10) analog Semax, its proposed BDNF-linked mechanism, and the neuroprotective, cognitive, and clinical stroke research domains it has been studied in.
Selank (SLK-10): Anxiolytic Peptide Research and Cognitive-Modulation Studies
A research overview of the tuftsin-derived heptapeptide Selank, its proposed enkephalinase-inhibition mechanism, and the anxiolytic, stress-model, and human neuroimaging research domains it has been studied in.
Epithalon: Telomerase Activity and Cellular Aging Research
A research overview of the pineal-derived tetrapeptide Epithalon, its proposed telomerase-activation mechanism, and the cellular-senescence and lifespan research domains it has been studied in.
SS-31: Mitochondria-Targeted Peptide Research in Oxidative Stress Models
A research overview of the cardiolipin-binding tetrapeptide SS-31 (elamipretide), its proposed inner-mitochondrial-membrane mechanism, and the metabolic and cardiac research domains it has been studied in.
KPV: Anti-Inflammatory Tripeptide Fragment Research Overview
A research overview of the alpha-MSH-derived tripeptide KPV, its receptor-independent NF-κB mechanism, and the inflammatory bowel disease and immune-signaling research domains it has been studied in.
Melanotan II: Melanocortin-Receptor Research Compound Overview
A research overview of the synthetic cyclic alpha-MSH analog Melanotan II, its non-selective melanocortin-receptor mechanism, and the pigmentary, metabolic, and receptor-pharmacology research domains it has been studied in.
Glow Blend Deep Dive: Multi-Compound Research Formulations Explained
An overview of how the BPC-157, TB-500, and GHK-Cu blend in the Glow vial is composed, the individually published literature behind each component, and what combined-compound research formulations do and don't tell researchers.
Selank vs. Semax: Comparing Two Russian Neuropeptide Research Lines
A side-by-side look at Selank and Semax — two ACTH/tuftsin-derived heptapeptides from the same research tradition, their distinct mechanisms, and the one study that examined both together.