Articles & guides.
Practical writing on peptide quality, testing methodology, storage, reconstitution, and what actually matters when buying research compounds. Plain language, no marketing fluff.
How to Read a Certificate of Analysis (COA) for Research Peptides
A line-by-line walkthrough of what's actually on a Certificate of Analysis — and how to spot a fake one.
Read article →What Is HPLC Testing and Why It Matters for Peptide Purity
How High-Performance Liquid Chromatography actually works, and why it's the gold standard for measuring peptide purity.
Read article →Mass Spectrometry vs HPLC — What Each One Tells You About a Peptide
Two different tests, two different answers. Why peptide COAs use both methods, and what each one is actually measuring.
Read article →How to Properly Store Lyophilized Peptides
Storage temperatures, shelf life, freeze-thaw cycles, and the mistakes that quietly kill your samples.
Read article →Reconstituting Lyophilized Peptides — A Practical Guide
Volume calculations, technique, and the most common reconstitution mistakes — explained step by step.
Read article →Why Peptide Purity Below 99% Should Be a Red Flag
Why "97% pure" sounds close to 99% but actually isn't, and what most vendors aren't telling you about the missing percent.
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