
Your vendor already gave you the answer key. You just have to know how to read it.
Every legitimate research peptide lot ships with a Certificate of Analysis. It is the one document that proves what's on the label matches what's in the vial — and almost nobody opens it.
This free 7-page field guide breaks it down in plain English:
The six organs every real COA has (missing one means walk)
What a passing certificate actually looks like, fully annotated
How to read an HPLC chromatogram in 10 seconds
Six red flags that mean the document is decorative, not diagnostic
The 30-second verification protocol to run before any lot enters your research
Our number one vendor pick, graded against the exact rubric
No fluff. No jargon walls. Just the framework to audit any certificate that hits your inbox.
Instant download. Keep it on your phone for your next order.
Educational information for researchers only — not medical advice.