Vendor Reviews
PureRx Peptides Review: A First-Hand Look at Their Tirzepatide CoA
We bought Tirzepatide 30mg, pulled the third-party CoA, and verified it ourselves — 99.84% HPLC purity. Here's what held up and what was missing.
Read the review →Helixion Labs Review: A Newer Vendor Showing the Right Signals
Founder-level engagement, a focused catalog, competitive pricing. A promising newcomer — if you verify the documentation first. Our honest read.
Read the review →How to Vet a Peptide Vendor: 7 Red Flags Before You Buy
The exact warning signs that separate a legit research supplier from a repackaged risk. A pre-purchase checklist you can run in ten minutes.
Read the guide →Best Peptide Vendors 2025: A Researcher's Guide to CoA Verification
A systematic ranking built on documentation quality, third-party testing, and community track record — plus a step-by-step CoA verification method.
Read the guide →Compound Research
BPC-157: What the Research Actually Shows
Mechanisms, the strength of the evidence, and the honest limits — including everything the literature does not yet show. No hype, just the papers.
Read the deep dive →GHK-Cu for Skin: What the Research Actually Says
The copper peptide behind a lot of skincare hype. What the studies support, safe concentrations, and an honest take on the DIY-cream angle.
Read the deep dive →TB-500 vs BPC-157: Which Recovery Peptide Fits Your Situation
Two of the most-studied recovery peptides, side by side — different mechanisms, different research targets, and how to think about the choice.
Read the comparison →