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Research & guides

Peptide science, explained.

Evidence-based, research-use-only guides — reconstitution technique, verifying purity and COAs, the GLP-1 peptide family, and sourcing research peptides in Australia.

7 min read

How to Reconstitute Research Peptides — a Step-by-Step Guide (with Calculator)

A research-focused walkthrough of peptide reconstitution: choosing bacteriostatic water volume, calculating concentration, reading syringe units and storing material correctly.

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8 min read

GLP-1 Peptides Compared: Semaglutide, Tirzepatide & Retatrutide

A neutral, research-focused overview of the GLP-1/incretin peptide class and how semaglutide, tirzepatide, retatrutide and cagrilintide differ in receptor targets and the published clinical context that has driven scientific interest.

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7 min read

BPC-157 Peptide: What the Research Actually Shows

A research-focused overview of BPC-157, the gastric-derived pentadecapeptide, covering its studied mechanisms, the preclinical evidence base, and its limitations.

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6 min read

Bacteriostatic Water: What It Is and Its Role in Peptide Reconstitution

A research-focused explainer on what bacteriostatic water is, how it differs from sterile water, and why it is the standard diluent for reconstituting lyophilised research peptides.

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6 min read

HPLC Purity & Certificates of Analysis: How to Vet Research Peptides

A rigorous, evidence-based guide to reading HPLC purity figures, Certificates of Analysis, and independent lab reports so researchers can properly vet peptide suppliers.

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7 min read

Research Peptides in Australia: Quality, Compliance and Delivery

A factual, educational guide to research peptides in Australia — the research-use-only framework, how to judge purity and traceability, and why local AU supply matters.

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7 min read

BPC-157 vs TB-500: How the Research Compares

BPC-157 and TB-500 are two of the most-studied recovery peptides in preclinical literature. This research-focused comparison examines their origins, distinct mechanisms of action, the strength and limits of the evidence, and why laboratories often study them side by side.

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6 min read

CJC-1295 With DAC vs Without DAC: What's the Difference?

The core difference between CJC-1295 with DAC and without DAC (Mod GRF 1-29) is duration: the DAC form binds albumin for a multi-day half-life, while the no-DAC form is short-acting and pulsatile. This educational guide compares the GHRH-analogue class for research contexts only.

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6 min read

Semax vs Selank: Comparing Two Research Peptides

Semax and Selank are two Russian-developed research heptapeptides often studied side by side. This educational comparison looks at their peptide origins, the mechanisms explored in preclinical work, and the limits of the current evidence.

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8 min read

Retatrutide vs Tirzepatide vs Semaglutide: Receptor Coverage Compared

A receptor-level comparison of semaglutide, tirzepatide and retatrutide — single versus dual versus triple agonism, what each receptor does mechanistically, molecular size, and why assay figures carry more weight for large lipidated peptides.

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9 min read

Storing Research Peptides in Australian Conditions

Storage guidance written for temperate laboratories assumes material arrives as it left. In Australian summer transit it often does not — what heat, humidity and freeze-thaw do to peptides, and what a temperature excursion obliges you to do.

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8 min read

Why Peptide Blends Need Per-Component Assay

Purity is a ratio with one target in the numerator — a definition that breaks as soon as a vial holds two peptides. Why per-component assay is the correct analytical treatment, illustrated with two published TXLABS blend reports.

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9 min read

How Third-Party Peptide Testing Actually Works

What happens between a vial being submitted and a certificate being published: chain of custody, reversed-phase HPLC for purity, mass spectrometry for identity, and what a report ID and verification key are actually for.

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8 min read

Copper Peptides Compared: GHK, GHK-Cu and AHK-Cu

GHK is a free tripeptide; GHK-Cu is a defined copper(II) coordination complex; AHK-Cu is the copper complex of a single-residue variant. What separates them chemically, analytically and in the depth of the published literature.

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8 min read

Purity vs Assay: Two Different Numbers on a Certificate of Analysis

Purity is the proportion of a sample that is the target peptide; assay is the mass actually measured against the label. They are independent numbers, and a certificate showing only one has told you half the story.

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9 min read

A Buyer's Checklist for Research Peptides in Australia

A supplier-agnostic checklist for the Australian market: named laboratory, batch number and test date, analyte variant match, per-component assay on blends, verifiable report IDs, AUD pricing, domestic dispatch, and confirming your own regulatory position.

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8 min read

Mitochondrial Peptides: Why SS-31 and MOTS-c Are Not the Same Thing

MOTS-c is encoded in mitochondrial DNA. SS-31 is a synthetic tetrapeptide that binds cardiolipin. They share a destination, not an origin — and their evidence bases are entirely separate.

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8 min read

Tesamorelin vs CJC-1295: Two GHRH Analogues, Two Very Different Evidence Bases

Both bind the GHRH receptor and raise IGF-1. One has an approved indication and published phase 3 data; the other has small early-phase studies. What that gap teaches about reading claims.

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9 min read

AOD9604: What Happened When a Clean Mechanism Met a Real Trial

Invented at Monash University to separate growth hormone's fat metabolism from its other effects. It succeeded pharmacologically and failed clinically — which makes it unusually instructive.

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9 min read

Kisspeptin-10 and the HPG Axis: The Signal That Starts Puberty

Loss-of-function mutations in its receptor prevent puberty starting at all. That finding identified kisspeptin as the upstream switch of the reproductive axis.

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12 min read

Research Peptides for Beginners: Equipment, Setup and Your First Reconstitution

Everything a newcomer needs in order: what turns up in the vial, the full equipment list including what not to buy, choosing a diluent, the first reconstitution step by step, and the one calculation that matters.

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