We are currently sold out across our full range. Be the first to know when stock returns. Register your interest
For research use only - NOT for human consumptionNext-day tracked deliveryDiscreet plain packaging≥99% 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
New · Pre-filled pens

RT-GLP1 pre-filled pens

Ready-prepared multi-dose pens in 10, 20, 30 and 40 mg. Needle tips included, and every order is sent in discreet black padded packaging with tracked UK delivery.

Research use only. Our pens are supplied strictly as research materials for in-vitro laboratory use. They are not medicines and are not for human or veterinary use.
What arrives from Onyx Peptides: a plain black padded envelope, a pen sealed in a sterilisation pouch, loose needle tips and vials in a clear tray
Shipping & packaging

Discreet, tracked UK delivery

Every order ships in a plain black padded envelope with no branding and nothing on the outside to identify the contents.

  • Same-day dispatch for orders before 2pm (Mon to Fri)
  • Pre-filled pens sealed in a sterilisation pouch, needle tips included
  • Vials held in a rigid clear vial tray
  • Free tracked delivery over £20
How we ship
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.
Scroll to Top