UK Research Peptide Suppliers — 2026 Comparison

Independent comparison of UK research peptide suppliers in 2026. We rate each on the criteria that actually matter for research-grade work: independent lab testing, batch-specific COAs, UK incorporation, dispatch speed, and payment method diversity.

Comparison criteria

• Independent HPLC testing — third-party lab, not in-house QC
• Per-batch COA — actual lot data on every product page, not a generic certificates page
• UK incorporation — verifiable Companies House registration
• Dispatch speed — same-day vs 3-5 day fulfilment
• Payment methods — card, bank transfer, cryptocurrency

Peptify UK (PEPTIFY LIMITED #17021295) ships every product with a Janoshik Analytical COA per batch. UK trademark applications UK00004350730 and UK00004378672 under prosecution.

For research use only. Not for human consumption.