Founded on rigour
Researchers deserve a supplier that treats peptides with rigour, transparency, and genuine care.
Research peptides in Europeverified, 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.
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
From our catalogue
The collection
Our commitment
Why researchers choose Peptbay
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.
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
Common questions