RESEARCH JOURNAL
Peptide Research Blog
In-depth New Zealand-based research references for the peptides labs are searching most — tirzepatide, semaglutide, BPC-157, GHK-Cu and more.
50 articles.
What Are Peptides? A Complete Research Reference
Peptides are short amino-acid chains that sit between single residues and full proteins. Here is a complete research reference on their structure, classification, and verification.
Peptides for Weight Loss: A Research Comparison
Which peptide classes appear most in weight-loss research literature? A side-by-side reference on GLP-1, dual/triple agonists, amylin analogs and lipolytic fragments.
Best Peptides for Weight Loss (Research Reference)
Which peptides show up most in weight-loss research? A ranked reference from the strongest published-literature profiles to the more experimental candidates.
GLP-1 Peptides: The Research Class Explained
GLP-1 is one of the most heavily targeted receptors in modern metabolic research. Here is how the class works, how its agonists are engineered, and what to expect on the COA.
Semaglutide Peptide: In-Vitro Research Profile & Reference (NZ)
Semaglutide is the most extensively characterised GLP-1 receptor agonist in the research literature. This reference covers structure, receptor pharmacology, in-vitro binding data and handling for New Zealand laboratories.
Tirzepatide Peptide: In-Vitro Research Profile (NZ Reference)
Tirzepatide is a 39-residue dual GIP/GLP-1 receptor agonist studied extensively in cell-based pharmacology. Structure, receptor biology, in-vitro literature and handling for NZ research benches.
Retatrutide Peptide: In-Vitro Triple-Agonist Research Profile
Retatrutide (LY3437943) is studied as the first single-molecule triple GIP/GLP-1/glucagon receptor agonist. In-vitro mechanism, receptor pharmacology and handling for NZ laboratories.
Retatrutide vs Tirzepatide: In-Vitro Receptor Comparison
Retatrutide engages GIP, GLP-1 and glucagon receptors; tirzepatide engages GIP and GLP-1. This side-by-side reference compares receptor pharmacology and in-vitro literature for NZ researchers.
Semaglutide vs Tirzepatide: In-Vitro Receptor Comparison
Semaglutide is a pure GLP-1 receptor ligand; tirzepatide adds GIP receptor cross-activity. A structural and in-vitro pharmacology comparison for New Zealand research laboratories.
Retatrutide vs Semaglutide: In-Vitro Receptor Comparison
Retatrutide engages three receptors; semaglutide engages one. A structural and in-vitro receptor-pharmacology comparison for New Zealand research laboratories.
Cagrilintide Peptide: In-Vitro Amylin Receptor Research Profile
Cagrilintide is studied as a long-acting amylin analog engaging the AMY receptor family, independent of the incretin axis. Receptor pharmacology and handling for NZ research benches.
Cagrilintide vs Semaglutide: In-Vitro Receptor Comparison
Cagrilintide targets the amylin receptor family; semaglutide targets the GLP-1 receptor. A structural and in-vitro pharmacology comparison for New Zealand research laboratories.
AOD-9604 Peptide: In-Vitro Lipolytic Fragment Research Profile
AOD-9604 is a 17-residue fragment of human growth hormone studied in adipocyte culture for lipolytic signalling independent of the full GH receptor. In-vitro profile for NZ research.
AOD-9604 vs Semaglutide: In-Vitro Mechanism Comparison
AOD-9604 is a short hGH fragment studied for adipocyte lipolysis; semaglutide is a long-acting GLP-1 receptor agonist. A structural, in-vitro mechanism comparison for NZ research.
5-Amino-1MQ: NNMT Inhibitor Research Reference (Mechanism, PK & Documentation)
5-Amino-1MQ is a small-molecule NNMT inhibitor central to adipocyte-metabolism and NAD+/SAM research. Full reference: mechanism, target biology, comparison tables and analytical notes.
Peptides for Muscle Growth: Complete Research Reference (GH Axis, IGF-1 & Mitochondrial)
Which peptides show up in muscle-growth research? A full-length reference on the GH/IGF-1 axis, GHSR secretagogues, mitochondrial-derived peptides and repair peptides — with comparison tables and FAQ.
BPC-157 Peptide: Complete Research Profile (Structure, Signalling, Stability & COA)
BPC-157 is a stable 15-residue gastric-juice-derived pentadecapeptide with one of the most-cited tissue-research literatures of the modern era. Full profile: sequence, mechanism, stability and COA reference.
TB-500 Peptide: Thymosin β4 Fragment Research Profile (Structure, Actin Binding & COA)
TB-500 is the widely-studied bioactive fragment of thymosin β4 — an actin-sequestering peptide central to cytoskeletal and tissue-research literature. Full profile: structure, mechanism, stability and COA.
BPC-157 vs TB-500: Complete Research Comparison (Mechanism, Structure & Pairing Rationale)
BPC-157 acts on VEGFR2/NO; TB-500 acts on actin sequestration. Two independent, non-overlapping mechanisms — the reason they are the reference pairing in tissue research.
Wolverine Peptide Blend: BPC-157 + TB-500 Research Reference (Rationale, Stability & COA)
The Wolverine blend pairs BPC-157 and TB-500 in a single reconstitution — two independent, non-overlapping tissue-research mechanisms in one vial. Full reference: rationale, handling, COA.
CJC-1295 Peptide: GHRH Analog Research Profile (New Zealand)
CJC-1295 is a 30-residue GHRH analog available in two research forms — with DAC (long-acting, albumin-binding) and no-DAC (short, pulsatile Mod GRF 1-29). This is the full New Zealand research reference: structure, PK, blending logic, reconstitution and COA checklist.
Ipamorelin Peptide: Selective GHSR Agonist Research Profile
Ipamorelin is a highly selective pentapeptide GHSR (ghrelin receptor) agonist widely referenced in published GH-axis research. This is the full New Zealand ipamorelin peptide profile — structure, PK, blend logic and analytical documentation.
CJC-1295 + Ipamorelin Blend: Complete Research Reference
The most cited GH secretagogue research blend: GHRH (CJC-1295) plus GHSR (ipamorelin) in a single reconstitution. Full mechanism, PK, ratios, reconstitution and COA reference for New Zealand laboratories.
CJC-1295 DAC vs No-DAC: Full Research Comparison
One peptide, two very different pharmacokinetic profiles. This Kiwi Peps reference frames CJC-1295 DAC vs no-DAC as a research-design decision, with tables, mechanism and COA notes.
Sermorelin Peptide: GHRH(1-29) Research Reference (New Zealand)
Sermorelin is the 29-residue N-terminal fragment of native GHRH — the short-acting reference compound for pulsatile GH-axis studies. Full Kiwi Peps research profile inside.
Tesamorelin Peptide: Stabilised GHRH Research Profile
Tesamorelin is a stabilised GHRH analog that resists DPP-4 cleavage via an N-terminal trans-3-hexenoic acid modification. This is the full New Zealand research profile for the tesamorelin peptide.
GHRP-2 vs GHRP-6: Full Research Comparison
GHRP-2 and GHRP-6 are both hexapeptide GHSR (ghrelin) receptor agonists — but their published selectivity and research applications diverge. Full Kiwi Peps comparison reference.
Peptides for Recovery: Full Research Reference (New Zealand)
Which peptides for recovery carry the most published in-vitro and animal-model research? A structured Kiwi Peps reference covering BPC-157, TB-500, GHK-Cu, thymosin and GH-axis blends.
Peptides for Joint Pain: Research Reference (New Zealand)
Joint-related peptide research is dominated by BPC-157 and TB-500 in cartilage and ligament models. Here is what the published in-vitro and animal-model literature actually reports.
Peptides for Tendon Repair: Research Reference (New Zealand)
Tendon-repair research is one of the most cited application contexts for BPC-157 and TB-500. Here is what the published rodent models and cell-culture literature actually report.
Peptides for Skin: Full Dermal Research Reference (New Zealand)
Peptides for skin research fall into four functional classes: signal, carrier, neurotransmitter and enzyme-inhibitor. Full Kiwi Peps dermal-research reference inside.
GHK-Cu Peptide: Full Research Profile (New Zealand)
GHK-Cu is the 1:1 copper complex of glycyl-L-histidyl-L-lysine — the most extensively documented signalling peptide in dermal research. Full Kiwi Peps GHK-Cu peptide profile inside.
GHK-Cu Copper Peptide Research Benefits (In-Vitro)
Which endpoints does published GHK-Cu literature most commonly measure? A structured Kiwi Peps reference on GHK-Cu benefits as reported in cell culture — in-vitro only.
GHK-Cu vs Copper Peptides: A Terminology Reference
'Copper peptides' is a marketing term. GHK-Cu is a chemically defined complex. Here is the important research-documentation distinction between GHK-Cu vs copper peptides.
Melanotan 2 Peptide: Full Research Profile (New Zealand)
Melanotan 2 is a cyclic synthetic α-MSH analog studied across the melanocortin receptor family (MC1R–MC5R) in published in-vitro research. Full Kiwi Peps profile inside.
PT-141 (Bremelanotide) Peptide: Full Research Profile
PT-141 (bremelanotide) is a Melanotan-2-derived research peptide with melanocortin-receptor selectivity favouring MC4R. Full Kiwi Peps research profile.
Kisspeptin Peptide: Full Research Profile (New Zealand)
Kisspeptin is the master upstream regulator of GnRH in reproductive neuroendocrine research. Full Kiwi Peps kisspeptin peptide research profile inside.
DSIP Peptide: Delta Sleep-Inducing Peptide Research Reference
DSIP is a nonapeptide historically studied in EEG delta-wave and sleep-research animal models. Full Kiwi Peps DSIP peptide research profile inside.
Epithalon Peptide: Telomerase & Pineal-Axis Research Reference
Epithalon is a tetrapeptide with an extensive published research literature on telomerase modulation and pineal-axis endpoints. Full Kiwi Peps profile inside.
Thymosin Alpha-1 Peptide: Full Research Profile
Thymosin α1 is a 28-residue N-acetylated synthetic peptide widely characterised in published immunomodulatory in-vitro research. Full Kiwi Peps profile inside.
MOTS-c Peptide: Mitochondrial-Derived Peptide Research Reference
MOTS-c is one of the first characterised mitochondrial-derived peptides — a 16-residue reference in cellular energy-metabolism research. Full Kiwi Peps profile inside.
SS-31 / Elamipretide Peptide: Full Research Reference
SS-31 (elamipretide) is a mitochondrially-targeted tetrapeptide that binds cardiolipin at the inner mitochondrial membrane in published research. Full Kiwi Peps profile inside.
FOXO4-DRI Peptide: Senolytic Research Reference
FOXO4-DRI is a D-retro-inverso peptide designed to disrupt the FOXO4–p53 interaction in senescent cell research. Full Kiwi Peps profile inside.
NAD+ Peptide: Terminology Clarified & Precursor Reference
'NAD+ peptide' is a common misnomer — NAD+ is a dinucleotide cofactor, not a peptide. Here is the accurate Kiwi Peps reference on NAD+, NMN and NR.
Peptide Blends Explained: Full Research Reference
A peptide blend is more than two vials in one — the COA changes shape entirely. Here is how New Zealand research labs evaluate blended reference material.
What Does RUO Mean? Research Use Only Explained
'RUO' — Research Use Only — is the single most important classification on any peptide vial. Here is exactly what RUO means and why it is enforced.
Research Use Only Peptides: The Complete Reference
A complete Kiwi Peps reference on research-use-only peptides — how they are classified, how they are supplied, and what documentation legitimate research supply carries.
Are Peptides Legal in New Zealand? Full Research Reference
Peptide legality in New Zealand depends on classification, purpose and supply framework. Here is the Kiwi Peps research-use-only reference in plain terms.
Buy Peptides in New Zealand: Research Supply Reference
Yes — research-use-only peptides can be sourced by New Zealand laboratories. Here is the framework, documentation and supplier-quality signals to look for when you buy peptides in New Zealand.
Peptide Purity Testing & COA Explained (Line by Line)
A Certificate of Analysis is only useful if you can read it. Here is line-by-line what a legitimate peptide COA reports and what each field means for New Zealand research labs.