The Lab Notes
Summaries of the peer reviewed peptide research literature: biochemistry, receptor pharmacology, and preclinical models. Written at the research-education level for qualified researchers and the wider scientific community.
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For analytical methods and document reading, visit the Testing Hub.
What is a research peptide?
Peptide identity, laboratory research designations and the documentation needed to compare materials.
Dietary NAFLD Study: Limits of Peptide Evidence
The supplied registry summary describes a dietary crossover trial, not a peptide study, and provides no outcome data or compound-specific research methods.
Insulin lispro (LY900014): Scope of an India Safety Study
A source-limited briefing on LY900014 in an adult study in India, outlining its safety objective, 33-week schedule, and the limits of the supplied summary.
DSIP: Neuromodulatory Research Questions
DSIP neuromodulatory pathways, circadian and cellular-stress endpoints, and limits of preclinical interpretation.
DSIP: Sleep-Related Signaling Research
DSIP sleep-related and stress-response signaling in experimental models, with unresolved mechanisms and evidence limitations.
GLP-1 Receptor Agonists: Signaling Research
GLP-1 receptor pharmacology, cellular and animal-model endpoints, multi-agonist comparisons and limits of experimental evidence.
Cagrilintide: Amylin-Receptor Research
Cagrilintide amylin-receptor signaling, co-formulation research questions and model-specific metabolic endpoints.
BPC-157: Tissue-Regeneration Model Research
BPC-157 studies of gastrointestinal and connective-tissue models, inflammatory signaling and unresolved mechanistic questions.
Cerebrolysin: Neurotrophic Peptide Research
Cerebrolysin neurotrophic signaling, neuronal model endpoints, composition questions and limits of preclinical evidence.
Epitalon: Telomere and Cellular Senescence Research
Epitalon studies of telomerase activity, cellular senescence and experimental-model limitations, without human longevity claims.
Reading Peptide COAs: HPLC and Mass Spectrometry
How to interpret lot identifiers, HPLC chromatograms, molecular mass, water and counterion fields in peptide analytical documents.
Tesamorelin: Metabolic Pathway Research
Tesamorelin GHRH receptor signaling, metabolic and neurological study endpoints, and limitations of experimental evidence.
BPC-157: Preclinical Tissue-Repair Research
BPC-157 tissue-repair pathways in preclinical models, including epithelial, connective-tissue and neural endpoints and evidence limits.
Thymosin Alpha-1: Immune Signaling Research
Thymosin Alpha-1 immune-signaling studies, cellular endpoints, immunosenescence models and limits of preclinical evidence.
Bacteriostatic vs. Sterile Water in Laboratory Research
How diluent choice affects peptide stability, sterility, and multi-use vial lifetime in laboratory work.
HPLC Purity vs. Mass Balance: What a COA Number Actually Means
Why a 99% HPLC purity figure is not the same as 99% peptide content: and how to read a COA correctly.
CJC-1295 and Ipamorelin: Receptor Research Review
CJC-1295 and Ipamorelin receptor pharmacology, bench-model interactions, chemical identity and stability considerations.
Retatrutide Phase 3 Update: Triple-Agonist Class Advances
Second-quarter 2026 readouts on the GLP-1/GIP/glucagon tri-agonist and what it means for incretin pharmacology research.
CagriSema: Amylin and GLP-1 Research Landscape
A June 2026 look at cagrilintide and semaglutide co-formulation research and dual-hormone pharmacology.
Tesamorelin: GHRH-Analog Preclinical Research
Recent preclinical work on GHRH analogs and the growing focus on central nervous system endpoints in animal models.
Kisspeptin and the HPG Axis: A 2026 Research Review
How the kisspeptin/KISS1R system continues to shape reproductive neuroendocrinology research this year.
Melanocortin MC4R Ligand Research: What's New in 2026
The MC4R-agonist research field in early 2026, from selective analogs to biased signaling studies.
GHK-Cu Copper Peptide: 2026 Research Literature Roundup
New in-vitro work on the tripeptide-copper complex published in the last three months.
Peptide Reconstitution Basics
How bacteriostatic water and proper aseptic technique impact your research vial's stability.
How To Read a Certificate of Analysis
The four numbers on every COA that separate a real supplier from a fake one.
Why Cold-Chain Shipping Matters
Temperature excursions during shipping can degrade sensitive peptides before they reach your bench.
The GLP Peptide Family Explained
GLP-1, GLP-2, and the emerging class of tri-agonists - a plain-language overview.
BPC-157: A Research Literature Summary
Key preclinical findings on the pentadecapeptide and open research questions.
Storing Lyophilized Peptides Long-Term
Freezer, fridge, or bench? The correct storage protocol for each state.
All Lab Notes
- What is a research peptide?
- Dietary NAFLD Study: Limits of Peptide Evidence
- Insulin lispro (LY900014): Scope of an India Safety Study
- DSIP: Neuromodulatory Research Questions
- DSIP: Sleep-Related Signaling Research
- GLP-1 Receptor Agonists: Signaling Research
- Cagrilintide: Amylin-Receptor Research
- BPC-157: Tissue-Regeneration Model Research
- Cerebrolysin: Neurotrophic Peptide Research
- Epitalon: Telomere and Cellular Senescence Research
- Reading Peptide COAs: HPLC and Mass Spectrometry
- Tesamorelin: Metabolic Pathway Research
- BPC-157: Preclinical Tissue-Repair Research
- Thymosin Alpha-1: Immune Signaling Research
- Bacteriostatic vs. Sterile Water in Laboratory Research
- HPLC Purity vs. Mass Balance: What a COA Number Actually Means
- CJC-1295 and Ipamorelin: Receptor Research Review
- Retatrutide Phase 3 Update: Triple-Agonist Class Advances
- CagriSema: Amylin and GLP-1 Research Landscape
- Tesamorelin: GHRH-Analog Preclinical Research
- Kisspeptin and the HPG Axis: A 2026 Research Review
- Melanocortin MC4R Ligand Research: What's New in 2026
- GHK-Cu Copper Peptide: 2026 Research Literature Roundup
- Peptide Reconstitution Basics
- How To Read a Certificate of Analysis
- Why Cold-Chain Shipping Matters
- The GLP Peptide Family Explained
- BPC-157: A Research Literature Summary
- Storing Lyophilized Peptides Long-Term