Research & guides

The JP Research Journal

Plain-English guides to research compounds — what they are, how they differ, and what the evidence does and doesn't show. How we write and check these.

Three unlabelled glass vials of freeze-dried powder lit in violet on a reflective surface.
Guides

How Long Does a Peptide Vial Last? Storage, Stability and When to Reorder

Dry powder vs solution, fridge vs room temperature, and why there is no single shelf life: a plain guide to peptide vial…

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An unlabelled vial of white powder beside a highlighted research paper and a pen on a wooden desk.
Guides

Explaining Peptide Terms: A Plain-English Glossary for Researchers

Agonist, potency, efficacy, HPLC, half-life, mg vs mcg: the peptide research terms that get mixed up, explained in plain English for South…

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Side-by-side comparison: Melanotan I, a linear 13-amino-acid chain acting on MC1R and licensed as afamelanotide, versus Melanotan II, a cyclic 7-amino-acid ring acting across several melanocortin receptors and not approved anywhere.
Uncategorized

Melanotan I vs Melanotan II: Selectivity, Not Strength

One numeral apart. One became a licensed medicine; the other became the popular one. Those two facts are related.

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Five unlabelled vials of freeze-dried powder in a black lab rack by a window
Guides

Bioregulators, explained: the short peptides researchers keep coming back to

A plain-English primer on peptide bioregulators — the short Khavinson peptides like Bronchogen and Pinealon — what they are, what makes them…

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Two small vials of white powder in front of a notebook with a neuron sketch
Compounds

Semax vs Selank: The Russian Nootropic Research Peptides, Explained

A plain-English look at two short peptides from the Russian neuropeptide research lineage — what Semax and Selank are, how they overlap,…

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BPC-157 research vial with a violet label on a dark grey backdrop
Quality

How to Read a Certificate of Analysis (COA): A Plain-English Guide

A clear walkthrough of what a Certificate of Analysis actually tells you, how HPLC and mass spectrometry verify purity and identity, and…

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Three unlabelled glass vials of freeze-dried powder on a dark reflective surface
Guides

Reconstitution & Storage: Handling Research Compounds the Right Way

A plain-English laboratory guide to what bacteriostatic water is, how reconstituting a freeze-dried research peptide works, and how to store it for…

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Single research vial lit in violet on a reflective black surface
Guides

Single, Double, Triple: How the GLP-1 Research Peptides Differ

Updated, October 2026: Peptide Carl graded this article 6 out of 10, and he was right: it explains how the three compounds…

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NAD+ research vial with a violet label on a dark grey backdrop
Guides

5-Amino-1MQ vs NAD+: How They Work Together

The short version: NAD+ tops up the cell’s NAD+ pool directly, while 5-Amino-1MQ works upstream to stop that pool being drained. One…

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GHK-Cu research vial with blue copper peptide powder on a dark surface
Compounds

Copper Peptides Explained: GHK-Cu vs AHK-Cu in the Research

A plain-English look at what copper-binding peptides are, why researchers complex short peptides with copper, and how GHK-Cu and AHK-Cu differ in…

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