Founded on rigour
Researchers deserve a supplier that treats peptides with rigour, transparency, and genuine care.
Research peptides in Europe
Verified, carefully curated.
Peptbay supplies research-grade peptides with third-party testing, discreet packaging and batch documentation. Our initial launch delivers within Great Britain using Royal Mail Tracked 24.
Browse the collection
99%+ purity
Every batch, every time
Third-party verified
COA included with every order
Same-day dispatch
Order before 16:00
1–2 day delivery
Great Britain via Royal Mail Tracked 24
The collection
Retatrutide Pen246,69 €
Tirzepatide Pen234,89 €
BPC-157 20 mg + TB500 20 mg175,87 €
GHK-Cu116,86 €
Glow140,46 €
Klow175,87 €
Melanotan II105,05 €
MOTS-c116,86 €
BPC-15781,44 €
Why researchers choose Peptbay
99%+
Minimum purity across all peptides
24 h
Same-day shipping before 16:00
2
Working-day delivery aim in Great Britain
100%
Of products include a certificate of analysis
CoA is the price of entry
Every peptide undergoes independent third-party analysis before it earns a place in our catalogue.
Stock what meets the standard
We don't chase the broadest range. We stock what meets our standard, document it, and deliver it fast.
COA included with every order
Batch documents →
Batch documentation
Know your batch.
Match your product and batch number to its laboratory report. Review the laboratory, test results and report date in the available documents.
View available reports →