â Independently tested, its certificate is genuinely its own and verifiable.
Brit Peptides publishes its own Janoshik certificate, e.g. test #81234 (Selank, 99.4%) naming Britpeptides as the client (verify key YFAZZVHC4TN7). Genuine, but its latest report is from autumn 2025.
The certificate
â Its certificate is its own. Brit Peptides publishes its own Janoshik certificate, e.g. test #81234 (Selank, 99.4%) naming Britpeptides as the client (verify key YFAZZVHC4TN7). Genuine, but its latest report is from autumn 2025.
Pricing vs the market, benchmarked on BPC-157
The Peptide Watch benchmarks every vendor on the same compound, BPC-157, the most common research peptide, as ÂŖ per milligram, so prices are directly comparable across all providers. No public BPC-157 price feed was available for this vendor at audit.
Google Ads
âšī¸ Note: this seller also runs Google ads for research peptides, a category Google's own policies prohibit, visible in Google's Ads Transparency Centre (UK). Worth knowing, but it doesn't bear on the question that puts it on the independently-tested list: its certificates are its own and genuine.
Reviews
3.1â â â ââ ¡ 10 reviews on Trustpilot
Read it critically. A Trustpilot score measures whether parcels turn up and support replies, not whether the vial contains what the label says. A vendor can have hundreds of happy delivery reviews and still show you a borrowed or fake certificate; the two are unrelated. Also watch for a burst of near-identical 5-star reviews in a short window, the signature of bought reviews.
đŠ Bank only, bank transfer / crypto only, so if it never ships there is no chargeback to get your money back.
The audit checklist
Check
Result
Verifiable certificate in its own name
Yes, own Janoshik COA
Independent lab named
Janoshik
Tests its own stock
Yes
Advertising in a banned category
Yes, live Google ads
Customer reviews (Trustpilot)
3.1â (10 reviews)
The bottom line. Britpeptides earns a place on the independently-tested list because it pays an independent lab (Janoshik) to test its own stock in its own name, and lets you verify it. That is the standard.
â ī¸ Is anything on this page wrong or out of date? Submit a correction request and we'll look into it, vendors welcome too.