Reviews, rankings and reader offers for research-peptide shops
We read what peptide shops publish, score them on five weighted criteria, and print what we couldn’t find. Verify your email once to open every reader code.
Our No. 1, with the strongest reader codes we print
8.6out of 10Very good
Nexo Research heads our list. It brings a 60+ product catalog, free EU shipping from €99 and the most generous reader codes in this paper — including a 30% offer you will only find here.
“Start here, and clip the Ledger-exclusive code before you go.”
The Ledger’s exclusive reader offer
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Ledger exclusive30% OFF30% off — members-only codeMin. order €100 · Ends in 59 days
A line-by-line guide to the one document a peptide shop should be able to hand you — what each field means, what a sound COA looks like, and the gaps that should make you pause.
By The Ledger editorial desk · Oct 14, 2026 · 6 min read
Two methods appear on almost every peptide certificate. One answers 'how pure?', the other 'is it the right molecule?'. Here is what each can and cannot show.
By The Ledger editorial desk · Oct 10, 2026 · 6 min read
A short, polite email and five minutes with the imprint tell you more about a peptide shop than any product page. Here is what to send, what to look for, and how our partner shops measure up on paper.
By The Ledger editorial desk · Oct 6, 2026 · 7 min read
UK PeptidesUnited Kingdom 6.0
TwoGuysPeptidesNetherlands 6.0
Peptidai LietuvaLithuania 6.0
NovellPoland 6.0
Pure Peptides AustraliaAustralia 6.0
Australian PeptidesAustralia 6.0
Drexa LabsUnited States 6.0