Jamie, Editor of The Peptide Watch
The Peptide Watch is researched, written and re-checked by one editor, Jamie. Every verdict on this site traces back to the same fixed test, applied the same way to all 536 active UK sellers: does this vendor publish a certificate of analysis that can be verified, in its own name, on an independent laboratory's website?
Who I am
I am a marketing specialist by trade, based in the United Kingdom, with a long-standing interest in peptides. I am not a chemist, a doctor or a seller, and nothing on this site is medical or purchasing advice. The one thing I can do, and do every day, is read a certificate, check it on the laboratory's own website, and write down what it says.
I started The Peptide Watch in April 2026 after buying a batch from a UK seller that turned out not to be what it claimed. When I went looking for who had actually checked that seller's certificate, nobody had. So I checked every seller myself, and kept checking. Today the audit covers 697 UK domains and is re-run every morning.
What I do
I open the certificate every UK research-peptide seller publishes, read which laboratory issued it and whose name is in the client field, check it against the lab's own verification portal, and record the result. The audit covers 697 UK domains and is re-checked daily. The full method is public at /methodology, the verification bar never moves, and corrections are handled per the editorial standards.
What I will not do
I do not recommend where to buy. I do not rank sellers by price, and the site carries no prices. I do not take money from sellers, run affiliate links, or link to any shop. I do not publish a claim I cannot show with a dated record: every finding on a seller's page is something you can see on the seller's own website, on the laboratory's website or in the public record, and the record is kept.
Independence
The Peptide Watch sells nothing, takes no vendor money, runs no affiliate links, and links to no shop. No vendor has ever paid to appear, to move up, or to have a verdict softened. The site exists because the alternative, "best peptide" lists quietly paid for by the shops they recommend, is how buyers end up trusting borrowed certificates.
When I get it wrong
Sellers and buyers write in, and some of them are right. A correction is checked against the public record and the page is changed where the correction holds, with the date, as the editorial standards set out. If something on this site about you or your shop is wrong, use the contact page and say which page.
Everything is checkable
You do not have to take my word for any verdict: every verified vendor's certificate links to the laboratory's own verification page, and the complete dataset behind the site is published openly, updated daily, as machine-readable JSON (CC BY 4.0) and mirrored on GitHub at github.com/ThePeptideWatch.
Contact: [email protected] or the contact page · GitHub: github.com/ThePeptideWatch