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United Peptides is a UK-based supplier of high-purity research peptides. Every vial is ≥99% HPLC-purity, third-party tested, with batch Certificates of Analysis available.
United Peptides supplies high-purity research peptides for controlled in-vitro laboratory research — independently verified at every stage.
Every order ships from UK stock via Royal Mail Tracked 24 — next working day dispatch. Free UK delivery on every order.
Get in touchWe dispatch orders the next working day via Royal Mail Tracked 24. UK delivery is free on every order. We currently ship to UK addresses only.
Yes. Batch-specific Certificates of Analysis (CoAs) containing analytical testing data and purity verification are available for all products.
All peptides are ≥99% purity, verified by independent third-party HPLC analysis.
No. All products are supplied strictly for in-vitro laboratory research use only (RUO) and are not intended for human or veterinary use. You must be at least 18 years old.
Due to the perishable nature of research materials, we do not accept returns once an order is dispatched. Full details are in our Refund Policy.
United Peptides is a UK-based supplier of high-purity research peptides, trusted by researchers and laboratories across the United Kingdom. We supply consistent, quality-verified peptides and laboratory consumables for controlled in-vitro research applications.
Every batch is independently tested to ≥99% purity with batch-specific Certificates of Analysis, lyophilised and sealed under controlled conditions, with strict inventory rotation to ensure fresh product and maximum stability.
We aim to respond within one business day (Mon–Fri).
Order & dispatch updates, shipping questions, billing and payment queries, Certificate of Analysis requests, product specification and storage guidance, and bulk/wholesale research enquiries.