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Mercia Research
🇬🇧Manufactured in Britain

Research Peptides
UK

High-purity liquid peptide solutions supplied in precision-filled research cartridges manufactured under stringent quality-control standards. Batch-specific analytical documentation available. For laboratory and scientific in vitro research use only.

≥99%

Purity verified

HPLC

Mass-spec confirmed

CoA

Every batch

We provide research-grade peptides for scientists, laboratories, and educational institutions.

Why
Choose Us

Customers choose us for consistent quality, reliable availability, and complete transparency. Every batch is tested for purity, products are ready for direct purchase, and all specifications are clearly stated.

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🇬🇧Manufactured in Britain

Quality You
Can Trust

High-purity peptide products manufactured under strict standards in Britain. Each batch is 3rd party tested, backed by lot-matched CoAs.

  • Manufactured in Britain

    Synthesised and tested in the UK.

  • HPLC + Mass-Spec

    Dual analytical verification.

  • Lot-Matched CoAs

    Each batch is 3rd party tested.

  • Fast Dispatch

    Temperature-protected shipping.

Provenance

Lot-matched CoAs ship
with every order.

Every batch is independently HPLC-tested and mass-spec confirmed. We don't dispatch an order until we can prove exactly what's inside it.

  • ≥99%

    HPLC purity

  • MS

    Mass-spec confirmed

  • LAL

    Endotoxin tested

  • UK

    Manufactured in Britain