Resources & Lab Insights
Practical guides on supplement testing, peptide COAs, and analytical methods from our lab team.
What Is a Certificate of Analysis (COA)?
A Certificate of Analysis is the cornerstone of product quality verification. Learn what a COA contains, why third-party testing matters, and how to verify one is legitimate.
How to Test Peptides for Purity: HPLC vs Mass Spectrometry
A detailed breakdown of HPLC and mass spectrometry — the two gold-standard methods for peptide purity testing — explaining what each measures, when to use them, and what results look like.
How to Read a Peptide COA: A Complete Guide
COAs contain more information than most people know how to interpret. This guide walks through every section of a peptide Certificate of Analysis so you know exactly what you're looking at.
Supplement Label Claims: What Third-Party Testing Actually Verifies
Label claim testing is one of the most important and misunderstood aspects of supplement compliance. Here's what it tests, how to interpret results, and why it matters for your brand.