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UK · Lab-tested peptides

High-purity research peptides, third-party verified, ready to ship.

Every batch ships with documentation and independent testing you can trace. Fast dispatch on in-stock lines.

10+
In stock
24h
Dispatch
CoA
Per batch
24hIn-stock orders
SHOPPRODUCTS

Browse our full peptide range

Every listing in one place — refine by category or search on the collection page. Each product ships with full batch documentation across the UK.

assurance

Quality you can verify, with real people behind every order

We only ship peptides that pass independent testing and our own internal checks. If you ever have a question, a real person is here to help.

Third-party tested, every batch

Third-party tested, every batch

Each lot is tested by an independent analytical lab. Documentation is included with every order.

Strict quality standards

Strict quality standards

From sourcing to cold-chain delivery, we follow ISO-aligned processes at every step to protect the integrity of your compounds.

Knowledgeable customer support

Knowledgeable customer support

Our team can help you choose the right compound, read your data sheet, or answer questions about your order.

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Research use only — All Mr Peps products are sold strictly for in-vitro research and laboratory use. They are not for human consumption, cosmetic application, or veterinary use. They are not approved as medicines and make no therapeutic claim. By placing an order you confirm that you are purchasing for legitimate scientific research purposes only.

Age — You must be 18 or over to place an order with Mr Peps. Orders from under-18s will be cancelled and refunded.

Operator — Mr Peps is operated by MR PEPS LABS LIMITED, registered in England and Wales (Companies House #17234136). Contact: support@mr-peps.com.

Data — We process personal data under UK GDPR. View our Privacy Policy or email support@mr-peps.com to request access, rectification, or erasure of your data.

Regulatory — Mr Peps is not regulated by the MHRA because research peptides sold for in-vitro research use are not classed as medicines under the Human Medicines Regulations 2012. We do not hold an MHRA licence and do not make claims that would require one.