Know before
you buy.
Independent, lab-verified rankings of peptide vendors. No vendor can pay to rank higher — ever. We also spot-check listings by sending random samples to independent labs.
Know before you buy.
Independent, lab-verified rankings of peptide vendors. No vendor can pay to rank higher — ever. We also spot-check listings by sending random samples to independent labs.
15 vendors under FDA/DOJ enforcement, shut down, or flagged as exit scams
Know before you order — every entry links to its primary or attributed source. 6 are still selling while under active enforcement.
Live vendor rankings
131 vendors · 12 metrics · updated daily
Showing 24 of 131 vendors
Help the community by nominating a vendor for independent review.
Nominate a vendorEvery vendor we can find gets scored — claimed or not. Rankings determined by data alone. Vendors cannot pay to rank higher.
Live vendor rankings
131 vendorsHelp the community by nominating a vendor for independent review.
Nominate a vendorEvery vendor we can find gets scored — claimed or not.
Rankings determined by data alone. Vendors cannot pay to rank higher.
Trusted by Researchers
What the Community Says
“After getting burned twice by vendors with fake CoAs, PepAssure is the only place I check before ordering. The methodology is actually rigorous.”
u/ResearchChemBio
r/Peptides
“I'm a biochemist. The CoA verification criteria here are solid — they catch the same red flags I look for manually. Saves me hours of due diligence.”
u/peptide_phd
r/ResearchChemicals
“The vendor comparison tool alone is worth it. Side-by-side CoA counts, sentiment, and scores — everything I need in one place.”
u/BioResearch_EU
r/Peptides
How It Works
We Test
Every CoA verified against certified lab standards — plus random samples sent to independent labs.
We Score
12 metrics, 5 pillars — data alone decides.
We Publish
Every metric public. Zero paid placements.
For Vendors
Run a peptide brand? See your score before researchers do.
You’re scored whether you engage or not — claim free to see what’s driving your number and what to fix first.
- Free claim — verified in 2 minutes
- Independent score, zero paid placements
- Live click data + Reddit sentiment in your dashboard
24 vendors already claimed · Trusted by researchers across r/Peptides & r/ResearchChemicals
Your Vendor Page
Sample dashboard preview