Last Updated: June 2026. We want every researcher to receive their order in perfect condition.
All products are sold strictly for in-vitro laboratory research use only. Due to the nature of research-grade compounds — which require precise cold-chain handling and storage — we are unable to accept returns of opened or used products. Please review this policy carefully before ordering.
We accept return or replacement requests in the following circumstances only:
We are unable to accept returns for change of mind, ordering errors made by the customer, or products that have been stored incorrectly after receipt.
To initiate a return or refund request, please contact us within 7 days of receiving your order (or within 7 days of the expected delivery date for missing parcels).
Once your return or claim is approved:
Refunds will cover the product value only. Shipping costs are non-refundable unless the error was on our part.
In cases where a physical return is required (e.g. incorrect item), we will provide a prepaid Royal Mail return label. Please do not return any items without prior written authorisation from us — unauthorised returns cannot be processed.
Monumental Peptides is not responsible for delays or seizures caused by customs authorities in the destination country. It is the buyer's sole responsibility to ensure that importing research compounds is permitted under local law. Refunds will not be issued for orders seized by customs.
For any questions about this policy, please reach out: