About us
Lab-verified peptides, supplied the way research deserves.
ThePeptideCode LTD is a UK-based supplier of premium laboratory-grade research peptides. We built ThePeptideCode around one principle: never make a researcher take purity on trust — prove it, batch by batch.
Finding a trustworthy source for research peptides in the UK is hard. Purity claims are everywhere; published, independently verified evidence is rare. We started ThePeptideCode to close that gap.
Every batch we stock is independently tested by HPLC for purity and confirmed by mass spectrometry for identity before it goes on sale. The resulting Certificate of Analysis is published and linked from the product page — so the vial in your lab can be traced to the exact batch report it came from.
We keep everything in UK stock, dispatch within 24 hours, and answer questions directly — usually the same day. That's why UK research customers rate us 4.6★ on Trustpilot.
What we stand for.
Independently verified
Every batch is HPLC tested for purity (≥99%) and confirmed by mass spectrometry for identity — by independent labs, not just supplier paperwork.
Published proof
Certificates of Analysis are published per batch and linked from every product page. You can verify your exact batch before and after you order.
UK stock, UK speed
All products ship from our UK facility. Orders before 12 noon Mon–Fri are dispatched the same day via Royal Mail Tracked 24hrs.
Research use only
Our products are sold strictly for laboratory and research use. Clear labelling, honest descriptions, and a 21+ purchase policy — no exceptions.
Company details
ThePeptideCode LTD (Company No. 17107501)
Netheravon, Marlow Road, Bourne End,
Buckinghamshire SL8 5SP, United Kingdom
☎ +44 7547 405222
⚠ For research use only. Must be 21+ to purchase.