Plain-English guides for UK buyers of research peptides: how to check a UK brand before you order, how UK delivery and escrow work, how to read a certificate of analysis, and what the terms on listings mean. They are general background, not medical or legal advice, and none of them covers using any product.
Before you buy
- Buying Research Peptides From UK Brands: A Careful Beginner’s Guide
What research use only means in the UK, how to check a brand properly, the red flags to watch for and how escrow changes the risk. - UK peptide delivery: dispatch, tracking and what to expect
Which routes cross a customs border, how import VAT is charged, and how to avoid it by buying on your side. - How Escrow Works
Pay into escrow, we order from the brand, and the brand is paid only after delivery. - Paying for UK Marketplace Orders With Crypto: A Practical Guide
How to buy crypto in the UK, pick the right coin and network, pay into escrow without mistakes and where refunds go.
Testing and certificates
- How to read a peptide certificate of analysis (COA)
What HPLC purity, mass spec and quantity mean on a certificate, and how to check one at the lab. - How Peptide Lab Testing Works: A UK Buyer’s Guide to Third-Party Testing
What HPLC, mass spec, endotoxin and other lab tests show, how to check a report is genuine and how UK buyers can commission their own test. - Residual Solvents and Counter-Ions in Research Peptides: A UK Buyer’s Guide
Acetonitrile, TFA and acetate explained: how they get into research peptides, how labs test for them and what to ask a UK brand. - Checking a Lyophilised Peptide Vial: What UK Buyers Should Look For
What a normal freeze-dried vial looks like, which label details matter, and when a UK delivery justifies an escrow claim.
Products and sourcing
- Where Research Peptides Come From: Synthesis, Manufacturers and UK Brands
How peptides are synthesised, the difference between manufacturers, resellers and UK relabellers, and why the batch number ties it all together. - Pen, Cartridge and Pre-Filled Listings on UK Peptide Shops Explained
How UK shops describe pen, cartridge and pre-filled listings, how to compare them with vials on price per mg, and the questions to ask first. - UK Research Peptide Glossary: Terms on Listings and Certificates
Neutral A to Z definitions of the chemistry, testing and delivery terms found on UK peptide listings and certificates.