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Research context, analytical methods,
and laboratory handling.
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Compounds
BPC-157: Mechanism of Action and Research Applications
A research-focused primer on BPC-157 — its discovery, proposed mechanism of action, stability properties, and why it's commonly studied alongside TB-500.
Read article Compounds · 8 min readRetatrutide: The Next-Generation Triple Agonist in Research
A research primer on retatrutide — mechanism as a triple GLP-1, GIP, and glucagon receptor agonist, how it differs from tirzepatide, and stability considerations.
Read article Compounds · 8 min readGHK-Cu in Laboratory Research: Copper Peptide Structure, Handling, and Analytical Context
GHK-Cu research primer: structural chemistry, copper coordination, HPLC purity and LC-MS analytical behavior, solubility, reconstitution, and storage for laboratory use.
Read article Compounds · 8 min readTB-500: Thymosin β-4 Fragment — Structure, Mechanism, and Research Applications
A research primer on TB-500 — the synthetic thymosin β-4 fragment, its actin-sequestration mechanism, research applications in cellular migration and tissue repair models, and why it is commonly studied alongside BPC-157.
Read article Compounds · 7 min readMOTS-c: The Mitochondrial-Derived Peptide in Metabolic Research
A research primer on MOTS-c — the mitochondrial-encoded peptide, its AMPK-activating mechanism, role in metabolic homeostasis and cellular stress response, and current research applications.
Read article Compounds · 7 min readSemax: ACTH-Derived Neuropeptide in Cognitive and Neuroprotection Research
A research primer on Semax — the synthetic ACTH(4-7) fragment, BDNF and NGF upregulation mechanism, neuroprotective research applications, and laboratory handling for the intranasal research compound.
Read article Compounds · 9 min readCJC-1295 and Ipamorelin: The GHRH + GHRP Research Stack
A research primer on combining CJC-1295 (GHRH analog) with Ipamorelin (selective GHRP) — mechanism of dual-receptor growth hormone stimulation, comparison of DAC vs No DAC variants, and research protocol context.
Read article Compounds · 6 min readSelank: Tuftsin-Derived Neuropeptide in Anxiolytic and Cognitive Research
A research primer on Selank — the synthetic tuftsin analog, its GABAergic and BDNF-mediated mechanisms, anxiolytic-profile research applications, and how it differs from and complements Semax in neuropeptide research.
Read article Compounds · 7 min readEpitalon: Telomerase Activation and Longevity Research with the Tetrapeptide from Pineal Extract
A research primer on Epitalon — the synthetic tetrapeptide derived from epithalamin, its reported telomerase-activating mechanism, published longevity and aging-model research, and laboratory handling.
Read article Compounds · 7 min readNAD+: Coenzyme Function, Sirtuin Pathways, and Cellular Aging Research
A research primer on NAD+ — its role as a redox coenzyme, the SIRT1/SIRT3 and PARP1 pathways it activates, why NAD+ levels decline in aging cell models, and how NMN and NR are studied as precursors.
Read article Compounds · 6 min readSermorelin: GHRH(1-29) Mechanism, Pulsatile GH Profiles, and Research Applications
A research primer on sermorelin — the native-sequence GHRH(1-29) peptide, how its short half-life produces pulsatile GH release, its mechanistic differences from CJC-1295, and its use in GH axis and somatotroph research models.
Read article Compounds · 6 min readSS-31 (Elamipretide): Cardiolipin Targeting and Mitochondrial Research Applications
A research primer on SS-31 (elamipretide) — the synthetic tetrapeptide that targets the inner mitochondrial membrane via cardiolipin binding, its proposed mechanism for reducing oxidative stress and preserving ATP synthesis, and research applications in ischemia, aging, and mitochondrial dysfunction models.
Read article Compounds · 6 min readGlutathione (GSH): Redox Biology, Antioxidant Mechanisms, and Research Applications
A research primer on glutathione (GSH) — the tripeptide antioxidant, its thiol-based redox mechanism, the glutathione peroxidase and glutathione reductase cycle, how GSH decline is studied in aging models, and laboratory handling for research use.
Read article Compounds · 6 min readTesamorelin: Full-Sequence GHRH Analog — Structure, Mechanism, and Research Context
A research primer on tesamorelin — the full 44-residue GHRH analog with N-terminal fatty acid modification, its GHRH receptor signaling mechanism, published clinical research context, and comparison to sermorelin and CJC-1295.
Read article Compounds · 5 min read5-Amino-1MQ: NNMT Inhibition, NAD+ Metabolism, and Metabolic Research Applications
A research primer on 5-amino-1MQ — the cell-permeable NNMT inhibitor that redirects nicotinamide flux toward NAD+ biosynthesis by blocking nicotinamide N-methyltransferase, its mechanistic distinction from direct NAD+ precursors, and published research applications.
Read article Compounds · 5 min readDSIP (Delta Sleep-Inducing Peptide): Neuropeptide Structure, BBB Permeability, and Research Applications
A research primer on DSIP — the nonapeptide first isolated from rabbit cerebral venous blood during slow-wave sleep, its sequence, documented blood-brain barrier permeability, and research applications in sleep architecture, HPA axis, and neuromodulatory studies.
Read article Compounds · 6 min readMazdutide: GLP-1/Glucagon Dual Receptor Agonist — Receptor Biology and Research Context
A research primer on mazdutide (IBI362) — the once-weekly synthetic GLP-1R/GCGR dual agonist, its receptor pharmacology on the incretin and glucagon axes, comparison to tirzepatide and retatrutide, and published clinical research context.
Read article Compounds · 6 min readCagrilintide: Long-Acting Amylin Analog — Receptor Pharmacology and GLP-1/Amylin Research Context
A research primer on cagrilintide — the once-weekly synthetic amylin analog, its amylin receptor pharmacology (calcitonin receptor + RAMP complexes), structural modifications enabling weekly dosing, and its research context as a standalone amylin-axis tool and as part of the CagriSema GLP-1/amylin combination.
Read article Compounds · 7 min readIpamorelin: Selective GHRP Pharmacology, Receptor Biology, and Research Applications
A dedicated research primer on ipamorelin — the selective pentapeptide ghrelin-receptor agonist, its GHS-R1a mechanism, receptor selectivity advantages over first-generation GHRPs, half-life profile, and common research applications.
Read article Compounds · 8 min readKisspeptin in Laboratory Research: GnRH Signaling, HPG-Axis Context, and Analytical Handling
Kisspeptin research primer: KISS1-encoded peptides, KISS1R receptor activation, GnRH neuron signaling, HPG-axis context, and analytical handling notes.
Read articleComparisons
Tirzepatide vs Semaglutide: A Research Comparison
Side-by-side research comparison of semaglutide and tirzepatide — mechanism, receptor activity, half-life, and stability considerations for laboratory use.
Read article Comparisons · 7 min readGLP-1 Receptor Agonist Research Peptides: Tirzepatide, Retatrutide, Mazdutide, and Cagrilintide
A comparative overview of the major GLP-1 receptor agonist research peptides — receptor target profiles, half-life and dosing windows, mechanistic distinctions, and how to select the right analog for a given research design.
Read article Comparisons · 6 min readGHRH Analog Comparison: Sermorelin, CJC-1295, and Tesamorelin in Research
A comparative overview of the three primary GHRH analog research peptides — sermorelin (native 1-29 sequence), CJC-1295 (stabilized 1-29 with optional DAC), and tesamorelin (full 44-aa with fatty acid) — covering sequence differences, half-life, pulsatility, and research design selection.
Read article Comparisons · 7 min readMitochondrial Research Compounds: MOTS-c, SS-31, NAD+, and Glutathione
A comparative overview of the four primary mitochondria-focused research compounds — MOTS-c (mtDNA-encoded peptide), SS-31 (cardiolipin-targeting tetrapeptide), NAD+ (sirtuin/PARP cosubstrate), and glutathione (redox antioxidant) — covering their distinct mechanisms, research applications, and complementary roles.
Read article Comparisons · 6 min readNeuropeptide Research: Semax, Selank, and DSIP — Mechanisms and Applications
A comparative overview of three CNS neuropeptide research compounds — Semax (ACTH-derived, BDNF/dopaminergic), Selank (tuftsin-derived, GABAergic/anxiolytic), and DSIP (nonapeptide, BBB-permeable, sleep architecture/HPA axis) — covering their distinct mechanisms and research applications.
Read article Comparisons · 8 min readTissue Repair Research Peptides: BPC-157, TB-500, and GHK-Cu — Mechanisms and Comparison
A comparative overview of three peptides most frequently investigated in wound healing and tissue repair research models — BPC-157, TB-500 (Thymosin Beta-4), and GHK-Cu — including mechanism matrices and laboratory protocol notes.
Read article Comparisons · 7 min readGHRP Comparison: Ipamorelin, GHRP-6, GHRP-2, and Hexarelin — GHS-R1a Selectivity and Research Applications
A comparative overview of the four most frequently studied growth hormone releasing peptides — ipamorelin, GHRP-6, GHRP-2, and hexarelin — covering GHS-R1a pharmacology, cortisol/prolactin selectivity, structural differences, and research application contexts.
Read articleProtocols
Reconstituting Lyophilized Peptides in Research Settings
A technical reference describing how lyophilized research peptides are reconstituted with bacteriostatic water in standard laboratory settings — including concentration calculations, vial handling, and stability considerations for downstream research applications.
Read article Protocols · 9 min readPeptide Storage & Stability: What Actually Matters
A technical deep dive on peptide storage — lyophilized vs reconstituted stability, freeze-thaw cycles, bacteriostatic water shelf life, and real-world degradation factors.
Read article Protocols · 5 min readBacteriostatic Water: Composition, Benzyl Alcohol Mechanism, and Laboratory Use
A laboratory reference on bacteriostatic water — its 0.9% benzyl alcohol formula, how benzyl alcohol suppresses microbial growth, why it extends reconstituted peptide vial life, and standard handling protocols for research labs.
Read article Protocols · 6 min readResearch Peptide Half-Life Reference: Study Design Planning Across GLP-1, GHRH, GHRP, and Neuropeptide Classes
A comprehensive half-life reference for research peptides — covering GLP-1 analogs, GHRH analogs, GHRPs, neuropeptides, mitochondrial peptides, tissue repair peptides, and small molecules — with notes on how half-life affects study timing and dosing interval design.
Read article Protocols · 8 min readPeptide Concentration and Dilution Calculations for Research Protocols
A practical guide to calculating peptide solution concentrations — converting between mass, moles, and molar concentration units, preparing stock and working solutions from lyophilized peptides, and performing serial dilutions for in vitro research assays.
Read articleQuality
Lab Testing & Verified Purity
How independent third-party analytical laboratories verify HPLC purity and LC-MS molecular identity for research peptides — testing methodology, result interpretation, and analytical documentation standards.
Read article Quality · 6 min readUnderstanding Certificates of Analysis
How to read a COA, what HPLC and mass spectrometry results mean, and how to verify identity, purity, and net peptide content for your batch.
Read article Quality · 7 min readHow to Verify a Research Peptide Certificate of Analysis (COA)
Learn to read and verify a research peptide Certificate of Analysis. Covers HPLC purity, LC-MS identity confirmation, in-house vs. third-party COAs, red flags, and batch-level documentation.
Read article Quality · 7 min readHow to Read HPLC Purity Data on a Peptide Certificate of Analysis
A practical guide to interpreting HPLC (high-performance liquid chromatography) chromatograms and purity percentages on research peptide Certificates of Analysis — including what the retention time, peak area, and impurity peaks mean.
Read article Quality · 6 min readTFA Content in Research Peptides: Salt Form, HPLC Purity, and How to Read It on a COA
A technical guide to trifluoroacetate (TFA) content in synthetic peptides — why TFA is introduced during HPLC analysis and solid-phase synthesis, how it appears on a COA, and what it means for HPLC purity percentages and research use.
Read article Quality · 7 min readLC-MS Identity Confirmation: How Mass Spectrometry Verifies Research Peptide Structure
A technical guide to LC-MS (liquid chromatography–mass spectrometry) identity verification for research peptides — how the instrument measures molecular weight, how to read m/z values and charge states on a Certificate of Analysis, and how LC-MS differs from HPLC purity testing.
Read article Quality · 7 min readHPLC vs LC-MS in Peptide Research: Purity Analysis, Identity Confirmation, and COA Interpretation
What HPLC and LC-MS measure, how each result appears on a research peptide COA, and why both analytical methods are used together in batch documentation.
Read article Quality · 6 min readWhat Research Use Only Means for Peptide Documentation, Handling, and Laboratory Context
A clear explanation of what Research Use Only (RUO) means for synthetic peptides — covering documentation standards, analytical testing, storage and handling protocols, and what RUO does not imply about product use.
Read article Quality · 7 min readPeptide Certificate of Analysis Checklist: How to Review COA Documentation in Research Context
A structured checklist for reviewing research peptide COA documentation — covering product name, lot number, test date, HPLC purity, LC-MS identity, appearance, and what a COA can and cannot confirm in a laboratory research context.
Read articleHandling
Storage & Handling Best Practices
Proper storage temperatures, handling protocols, and environmental controls that maintain peptide integrity and stability across research workflows.
Read article Handling · 7 min readPeptide Stability and Degradation in Research Context: Storage, Lyophilization, and Documentation
A laboratory research guide to peptide chemical stability — covering lyophilized storage, temperature and moisture exposure, reconstitution considerations, degradation signals, and how COA documentation relates to stability in an RUO research context.
Read article Handling · 7 min readResearch Peptide Diluent Selection: Bacteriostatic Water, Sterile Water, and DMSO in Laboratory Context
A laboratory research guide to diluent selection for synthetic peptides — covering bacteriostatic water, sterile water, and DMSO, with context on solubility, stability, and how handling documentation relates to diluent decisions in research settings.
Read articleBasics
What Are Research Peptides?
An introduction to peptides, how they differ from proteins, how they are synthesized using SPPS, and why they are valuable tools in modern research.
Read article Basics · 5 min readLyophilization Explained: Why Research Peptides Are Supplied as Freeze-Dried Powder
A clear explanation of lyophilization (freeze-drying) — the industrial process used to preserve research peptides, why it extends shelf life, what the resulting powder form means for reconstitution and storage, and how to handle lyophilized materials correctly.
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