Frequently Asked Questions

Orders placed before 2pm ship same day from our UK warehouse. Standard delivery is 1–2 working days. You will receive tracking information as soon as your order is dispatched.

Yes. We ship to the EU and selected international destinations. Delivery times and costs vary by location. All international orders are subject to local customs regulations.

Your order will contain the peptide vials as described on the product page. No additional laboratory supplies, reconstitution kits, or equipment are included unless explicitly stated.

We can arrange reshipment only if the original parcel is returned to us. In the meantime, we recommend contacting your local post office to request rerouting or set up mail forwarding on the destination address.

We're sorry to hear that. Contact us immediately with your order number and we will reship the correct items at no additional charge. We take fulfilment accuracy seriously.

Please contact us with your order number, a clear photograph of the damage, and a brief description. We will arrange reshipment of the affected product as quickly as possible.

Due to the nature of our research compounds, we are unable to accept returns. However, we are committed to resolving any issues with your order promptly and fairly — please contact us and we'll make it right.

Refunds are assessed on a case-by-case basis by our customer service team. When reaching out, please include your order number, a clear description of the issue, and photographs where applicable.

All our compounds are independently tested and reach a minimum of 99% purity. A Certificate of Analysis (COA) is available on every product page so you can verify quality before ordering.

Our compounds are supplied for scientific research use only. Handling instructions are not included or provided. All products must be managed by qualified professionals in a suitable laboratory environment.

No. All products sold by RETA UK are strictly for scientific research purposes only and are not intended for human or veterinary use, consumption, or self-administration.