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Certified Research Peptides
Research blog

Research notes & guides

Articles on peptide science, lab technique and quality testing, sourced from the primary literature and written for researchers. For research use only.
LatestLab testing10 min

Acetate vs TFA salts in synthetic peptides: why the counter-ion matters

Why synthetic peptides come as TFA or acetate salts, how the counter-ion changes weighed mass and assay results, and how laboratories measure or exchange it.

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Compound research16 min

BPC-157: a review of the published research, with references

A referenced review of BPC-157 research: sequence and identifiers, the cell and animal studies, who produced them, human trial status, and TGA and WADA status.

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Compound research15 min

BPC-157 and TB-500 blend: components, identity testing and the research on each

What a BPC-157 and TB-500 blend contains, how each peptide is identified by HPLC and mass spectrometry, and what published research covers each component.

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Compound research14 min

BPC-157 vs TB-500: origin, structure and how their research differs

BPC-157 and TB-500 compared: where each sequence comes from, their structures and identifiers, the studies behind each, and their TGA and WADA status.

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Compound research13 min

CJC-1295 with DAC vs without DAC: the structural difference explained

CJC-1295 with and without DAC compared: the shared 29-residue sequence, the albumin-reactive lysine linker, how labs tell the forms apart, and WADA status.

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Compound research16 min

CJC-1295 and ipamorelin: structure, receptors and the research record

How CJC-1295 and ipamorelin are built, which pituitary receptors they act on, what published studies and trial registries hold, and their WADA status.

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Lab testing12 min

Endotoxin, heavy metals and residual solvents: the other tests on a COA

What endotoxin, elemental impurity and residual solvent results on a peptide COA measure, the methods behind them, and why they matter in cell-culture work.

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Compound research15 min

GHK-Cu: the copper tripeptide in published research

GHK-Cu is the copper complex of the tripeptide GHK. Its discovery, copper-binding chemistry, cell and animal studies, and TGA and WADA status, with references.

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Lab testing11 min

How multi-component peptide blends are tested

How laboratories test multi-component peptide blends: separating each peptide, confirming its identity by mass spectrometry and measuring each one on its own.

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Lab testing11 min

How to read a peptide certificate of analysis (COA)

A section-by-section guide to reading a peptide certificate of analysis: batch details, identity, HPLC purity, peptide content, counter-ions and other tests.

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Reading the research11 min

How to read a peptide study: cell, animal and human evidence

A guide to reading peptide research: study types, NHMRC levels of evidence, what to check in methods and results, and how to find retractions and trials.

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Peptide science9 min

How to store lyophilised peptides in the lab: temperature, light and moisture

What WHO guidance and published studies say about storing sealed lyophilised peptides in the lab: temperature, moisture, light, oxygen and record keeping.

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Lab testing10 min

HPLC purity explained: what a purity percentage does and does not tell you

How HPLC purity is measured for synthetic peptides, how the percentage is calculated, and what it leaves out, from water and counter-ions to hidden impurities.

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Compound research16 min

KLOW peptide blend: the four components and the research behind each

KLOW combines BPC-157, GHK-Cu, TB-500 and KPV: what each peptide is, the cell and animal research on each, how the blend is tested and its Australian status.

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Compound research13 min

KLOW vs BPC-157 and TB-500: how the two blends differ

KLOW and the BPC-157 and TB-500 blend compared: composition, the two shared peptides, the research on each pairing, testing differences and Australian status.

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Compound research15 min

KPV: the alpha-MSH derived tripeptide in published research

KPV (Lys-Pro-Val) is the C-terminal tripeptide of alpha-MSH. Its structure, the cell and mouse studies, open mechanism questions, and its TGA and WADA status.

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Compound research14 min

MOTS-c: the mitochondrial-derived peptide in published research

MOTS-c is a 16-amino-acid peptide encoded in mitochondrial DNA. A referenced review of its cell, animal and human studies, identity data and regulatory status.

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Compound research11 min

MOTS-c vs SS-31: two mitochondria-focused peptides compared

MOTS-c is encoded in mitochondrial DNA; SS-31 is a synthetic tetrapeptide. How their origin, structure, studied mechanisms, evidence and status compare.

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Compound research15 min

NAD+: the coenzyme's biochemistry and what research on it measures

NAD+ explained: its structure, redox chemistry, the enzymes that consume it, how it differs from NMN and NR, how labs measure it, and its TGA and WADA status.

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Lab testing9 min

Net peptide content vs gross weight: what the number on a vial means

What net peptide content means, why it differs from the gross weight of a lyophilised peptide powder, and how laboratories measure counter-ions and water.

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Peptide science18 min

Peptide glossary: 50 terms researchers meet in papers and COAs

Plain-English definitions of 50 peptide terms from research papers and certificates of analysis: chemistry, synthesis, lab testing, study types and regulation.

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Lab testing11 min

Mass spectrometry for peptides: how identity is confirmed

How mass spectrometry confirms a synthetic peptide's identity: ionisation, m/z values, charge states, MS/MS sequencing, mass accuracy and the limits of a match.

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Reading the research12 min

Research peptides and anti-doping: WADA and Sport Integrity Australia status by compound

Where BPC-157, TB-500, CJC-1295, ipamorelin, MOTS-c, GHK-Cu, KPV, SS-31 and NAD+ sit on the 2026 WADA Prohibited List, and how it applies in Australia.

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Peptide science9 min

How research peptides are made: solid-phase peptide synthesis explained

How solid-phase peptide synthesis builds a peptide on resin beads, what Fmoc and Boc chemistry do, and which impurities purification and testing look for.

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Compound research16 min

SS-31 (elamipretide): research record and regulatory history

SS-31 (elamipretide) is a synthetic tetrapeptide that binds cardiolipin in mitochondria. A referenced review of its studies, trial record and FDA history.

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Compound research17 min

TB-500: what the research on thymosin beta-4 and its fragment covers

What published research on TB-500 covers: its structure, the thymosin beta-4 studies it is based on, the limits of the evidence, and its status in Australia.

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Compound research14 min

TB-500 vs thymosin beta-4: are they the same compound?

TB-500 and thymosin beta-4 compared: sequence, length, molecular weight, how the research on each differs, and their Australian regulatory status, with sources.

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Peptide science9 min

What is a peptide? A plain-English primer for researchers

A plain-English primer on peptides: amino acids, the peptide bond, how sequences are written, where peptides end and proteins begin, and common modifications.

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Reading the research9 min

Why most peptide research is preclinical, and what that means for interpreting it

What preclinical research is, why most published work on research peptides stops at cell and animal studies, and how to read those findings with care.

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Peptide science9 min

Why research peptides are lyophilised (freeze-dried)

How freeze-drying works, why water drives peptide degradation and what residual moisture means for lyophilised research peptides, with cited sources.

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