For research use only - NOT for human consumptionNext-day tracked deliveryDiscreet plain packaging≥99.5% purity, HPLC verified
UK Research Peptide Supplier

Research-grade peptides, independently verified.

High-purity lyophilised peptides and reference materials, third-party tested to ≥99% by HPLC and dispatched from the UK within 24 hours.

Next-day tracked delivery HPLC-tested batches Discreet plain packaging
HPLC & MS tested
Onyx Peptides research vial
Batch-traceable
Catalogue

Featured research peptides

A selection from our range, ready for tracked UK dispatch.

HPLC Verified

Every batch tested to ≥99% purity with certificates available.

Third-Party Tested

Independent laboratory analysis on incoming stock.

Discreet UK Dispatch

Plain, unbranded packaging shipped tracked within 24h.

Cold-Chain Stored

Lyophilised and stored below −18°C for stability.

Quality & Compliance

Tested before it reaches your bench

We treat purity as non-negotiable. Every incoming batch is independently analysed and assigned a traceable batch number and certificate of analysis before it is listed for sale.

  • High-performance liquid chromatography (HPLC) on every batch
  • Mass spectrometry confirmation of peptide identity
  • Sterility & endotoxin screening on incoming stock
  • Batch-level certificates of analysis available on request
  • Lyophilised and cold-chain stored for maximum stability
≥99%
Verified HPLC purity
24h
UK dispatch window
100%
Batch-traceable stock
10
Curated research compounds
Important: All products listed are supplied strictly as laboratory reference materials for in-vitro research use only. They are not medicines and are not intended for human or veterinary consumption, diagnostic or therapeutic use. By purchasing you confirm you are a qualified researcher aged 18 or over.
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