Refund policy

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Returns & Refunds Policy

Last updated: 21 May 2026

Our Policy

Due to the specialist nature of our products — which are research-grade compounds supplied in sealed, temperature-sensitive packaging — MMPeptides does not accept returns or issue refunds once an order has been dispatched.

This policy exists to protect the integrity of every product we supply. Once items leave our facility, we cannot verify that storage conditions, handling, or packaging remain uncompromised. Accepting returns would therefore present unacceptable quality and safety risks.

Why We Cannot Accept Returns

  • Our products are perishable and require strict cold-chain storage conditions.
  • Sealed packaging cannot be re-verified once it has left our premises.
  • Product integrity cannot be guaranteed after transit to a third party.
  • All items are dispatched in a condition that meets our strict quality standards.

Damaged or Incorrect Orders

We take quality seriously. If your order arrives damaged, incorrect, or with a manufacturing defect, please contact us within 48 hours of delivery with the following:

  • Your order number
  • A clear photograph of the item and packaging as received
  • A brief description of the issue

We will review each case individually and, where we determine an error or fault on our part, we will offer an appropriate resolution which may include a replacement or store credit at our discretion.

Order Cancellations

Orders may be cancelled before dispatch only. If you need to cancel, please contact us immediately at support@mmpeptides.co.uk. Once an order has been processed and dispatched, it cannot be cancelled or recalled.

Lost or Undelivered Parcels

If your order has not arrived within the expected timeframe, please contact us and we will investigate with the courier on your behalf. We will work to resolve any confirmed lost parcel cases as quickly as possible.

Contact Us

For any queries relating to your order, please reach out to our team:

We aim to respond to all enquiries within 1–2 business days.

MMPeptides reserves the right to update this policy at any time. The current version will always be available on our website.