Onyx Peptides supplies high-purity research peptides in the UK, independently tested to ≥99% by HPLC and dispatched discreetly from Britain for laboratory research use only. This page is an overview of our UK research peptide range and how we work.
Why UK researchers choose Onyx
- ≥99% purity, HPLC verified — every batch is independently analysed; certificates of analysis are available on request. See quality & testing.
- UK dispatch — tracked, plain, discreet packaging sent from within the UK. See shipping & delivery.
- Research-only supply — all products are reference materials for in-vitro research, not for human or veterinary use.
Our research peptide range
Browse the full catalogue in the shop, or by category:
Popular research peptides
- Retatrutide — triple-agonist research peptide. See also Retatrutide in the UK.
- BPC-157 — studied for tissue repair. See also BPC-157 in the UK.
- TB-500 (Thymosin Beta-4)
- CJC-1295 + Ipamorelin
Research reading
Background explainers from our research notes, including Retatrutide explained and what HPLC purity testing means.