Research-Grade Peptides. Verified Purity.

Premium lyophilised research peptides supplied to UK laboratories, researchers, and institutions. Every batch independently tested by Janoshik, an accredited third-party laboratory. Certificate of Analysis included as standard.

≥98% Minimum purity, independently verified

3rd Party lab testing on every batch

UK-Based Company, registered in England & Wales

Next-Day Delivery — order by 2pm for same-day dispatch

Built for Serious Researchers

Claripep exists because research-grade quality and UK-based compliance shouldn’t be hard to find. Every product we supply meets the standard we’d expect if the research were our own independently verified, batch by batch, with full documentation published openly. View our published Certificates of Analysis

Now Shipping: Independently Verified Peptides

Our first verified compound is in stock now, with more added as each batch clears independent testing. Every product ships with its published Certificate of Analysis. Order by 2pm for same-day UK dispatch.