Learn the science. Understand the standard.
A structured educational resource for research peptides, analytical methods, and Carbon Research Protocols. Educational reference only — no medical, therapeutic, diagnostic, dosing, or administration guidance is provided.
Foundational reading
Four short primers to orient you before you explore individual compounds and protocols.
A plain-language orientation to what research peptides are, how they're characterized, and why analytical documentation matters.
An educational primer on GLP-1 biology, incretin pathways, and how metabolic reference peptides are studied in laboratory settings.
An overview of how tissue-signaling reference peptides are investigated in preclinical and in vitro models.
A short guide to mapping a research question to the right Carbon Standard category — metabolic, recovery, GH, longevity, immune, or skin & hair.
Explore the Knowledge Center
New to Research Peptides?
A plain-language orientation to what research peptides are, how they're characterized, and why analytical documentation matters.
Understanding GLP-1 Research
An educational primer on GLP-1 biology, incretin pathways, and how metabolic reference peptides are studied in laboratory settings.
Tissue-Signaling Research Explained
An overview of how tissue-signaling reference peptides are investigated in preclinical and in vitro models.
Choosing the Right Research Category
A short guide to mapping a research question to the right Carbon Standard category — metabolic, recovery, GH, longevity, immune, or skin & hair.
Reading a Certificate of Analysis
How to interpret purity, identity, and appearance data on a Carbon Standard Certificate of Analysis.
RP-HPLC and Mass Spectrometry Primer
A working primer on the two analytical techniques most commonly used to characterize research peptides.
Carbon Research Protocols — Educational Overview
How the Apex, Phoenix, Titan, and Ascend Carbon Research Protocols group related reference materials for educational context.
Retatrutide
Triple-agonist reference peptide with reported activity across GLP-1, GIP, and glucagon receptor systems in laboratory models.
Tirzepatide
Dual GIP/GLP-1 receptor reference peptide used in in vitro pharmacology research.
Semaglutide
GLP-1 analog reference peptide used as a comparator in laboratory metabolic pathway studies.
Cagrilintide
Long-acting amylin analog reference peptide.
Mazdutide
GLP-1/glucagon dual-agonist reference peptide.
BPC-157
Pentadecapeptide reference material with reported activity across tissue-signaling models in animals.
TB-500
Synthetic fragment reference of thymosin beta-4 used in cellular migration studies.
KPV
Alpha-MSH C-terminal tripeptide reference material used in inflammation research.
GHK-Cu
Copper-binding tripeptide reference used in cellular signaling and gene-expression research.
CJC-1295 (DAC / No DAC)
GHRH analog reference peptides used to characterize GHRH receptor engagement.
Ipamorelin
Selective ghrelin receptor reference peptide.
Sermorelin
GHRH(1-29) reference peptide.
Tesamorelin
Stabilized GHRH analog reference peptide.
Hexarelin
Hexapeptide secretagogue reference material.
GHRP-2
Synthetic growth hormone releasing peptide.
GHRP-6
Hexapeptide reference material.
MOTS-c
Mitochondrial-derived reference peptide.
AOD-9604
hGH C-terminal (176–191) fragment reference material.
IGF-1 LR3
Long-arginine IGF-1 analog reference.
PEG-MGF
Pegylated mechano-growth factor reference.
Follistatin-344
Recombinant follistatin isoform reference.
NAD+
Nicotinamide adenine dinucleotide reference material.
Selank
Heptapeptide reference material.
Semax
ACTH(4-10) analog reference peptide.
Dihexa
Angiotensin IV analog reference material.
Thymosin Alpha-1 (TA-1)
28-residue thymic peptide reference material.
Thymosin Beta-4 (TB-4)
44-residue actin-sequestering peptide reference.
All products offered by Carbon Standard Research LLC are sold and distributed strictly for laboratory research purposes conducted by qualified professionals. Products are not intended for human consumption, animal consumption, food, cosmetic, diagnostic, or therapeutic use. No dosing, administration, preparation, or medical instructions are provided or implied. By purchasing, the customer acknowledges that all materials are purchased exclusively for laboratory research and agrees to handle them in accordance with all applicable laws and regulations.