Frequently Asked Questions

All of our products are intended strictly for in-vitro research and laboratory use only. They are not for human consumption, veterinary use, or therapeutic application of any kind.

All peptides are verified at ≥98% purity by HPLC analysis. Batch-specific analytical data is available on request for every product.

Yes. Every product includes a batch-specific certificate of analysis (CoA) that details HPLC purity data, mass spectrometry confirmation, and other relevant analytical results. CoA documents are available for download on each product page.

Yes. We provide reconstitution guidance for each product on the product page, and our free Peptide Reconstitution Calculator is available in the nav. We recommend using bacteriostatic water for reconstitution.

All products are sourced from verified research-grade suppliers with established quality control processes. Batch documentation covering purity, appearance, and molecular specification is available on request.

All orders are dispatched via Royal Mail 24 (their next-day service) in plain packaging for privacy. You will receive a dispatch confirmation email once your order has been posted.

We use Royal Mail 24 for all domestic UK orders.

Yes, we offer international shipping from our UK facility. Delivery times vary by destination. Please note that customers are responsible for understanding and complying with the import regulations of their country.

Yes, we ship to most European countries. Customers are responsible for understanding and complying with the import regulations in their destination country.

Unless otherwise stated on the product page, peptides should be stored at -20°C in a dry environment, protected from light. Reconstituted peptides should be stored at 2-8°C and used within a reasonable timeframe as indicated in the product documentation.

We accept major credit and debit cards, as well as bank transfer. All transactions are processed securely.

Due to the nature of our products, we are unable to accept returns once items have been dispatched. If you receive a damaged or incorrect item, please contact us within 48 hours of delivery.

Yes. UK Peptide Lab is a registered UK-based business. All products are dispatched from our UK facility with full batch documentation available.