Advancing research with premium peptides.
99%+ pure, independently tested, and quality assured.
99%+ Purity Guaranteed
Every batch meets or exceeds 99% purity by HPLC.
Third-Party Lab Tested
Independent analysis on every batch we release.
Fast UK Dispatch
Same-day dispatch from our Manchester facility.
Fully Compliant & Transparent
Open COAs, clear labelling, research-use only.
Featured Products
A selection of our most-requested research peptides.
Strata Peptides
A UK supplier built on purity, compliance and trust.
See the Proof
View our quality procedures
At Strata Peptides, we are committed to high standards of quality and reliability. We aim to provide the most reliable source of of research materials for scientific and analytical applications.
Trusted by UK Researchers
What our customers say about Strata Peptides.
University Research Lab
Lead Investigator, Cell Biology
"Batch documentation is detailed and easy to cross-check. Our internal testing has lined up with the certificates every time, which makes procurement approvals much simpler on our end."
Northbridge Biotech
Head of R&D
"Turnaround time made a real difference for a tight project window. The order shipped same day and arrived cold-packed and intact, which isn't something we take for granted anymore."
Independent Research Group
Laboratory Director
"We ran our own third-party analysis against the supplied COA on the first shipment and the results matched closely. That kind of consistency is why they've become our default source."
Contract Research Org.
Preclinical Project Manager
"We manage multiple concurrent studies and reliable scheduling matters more than people realize. Communication has been clear at every step, from quote to delivery confirmation."
State University, Pharmacology
Research Associate
"Reordering is straightforward and the product specs stay consistent across batches, which keeps our protocols from needing constant recalibration. Exactly what a teaching lab needs."
Private Research Institute
Senior Scientist, Regenerative Medicine
"Support actually understands the science when we have technical questions about storage or reconstitution, instead of reading from a script. That's rare and genuinely useful to us."
Frequently Asked Questions
All Strata Peptides products are tested to ≥99% purity by HPLC, with mass spectrometry confirmation. The exact figure for each batch is shown on its Certificate of Analysis.
Orders are dispatched same-day from our Manchester facility using tracked UK couriers. Vials are packaged discreetly with temperature-controlled materials where required.
A COA is an independent laboratory report confirming the identity, purity and quality of a specific batch. Every Strata batch has a downloadable COA on our COA page.
Our products are sold strictly for laboratory research and in-vitro use. Customers must be 21 or over and a qualified researcher or institution.
We currently focus on UK customers to ensure the fastest possible dispatch and compliant delivery.
Ready to order research-grade peptides?
Browse our full catalogue of HPLC-verified peptides and have your order on its way today.