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Alternatives to Research Scientific in the UK: sellers you can actually verify

By Jamie, Editor · The Peptide Watch · updated 20 October 2026

Research Scientific (store.researchscientific.co.uk) is on The Peptide Watch's watch list. What its certificate shows, and why it cannot be verified in its own name, is set out in the Research Scientific audit. This page answers the other half of the question: which UK sellers do publish a certificate you can check yourself before you buy. The Peptide Watch takes no vendor money and links to no seller's shop.

Verified alternatives to Research Scientific

Unlike Research Scientific, each seller below has been checked to name the exact independent laboratory (Janoshik) and let you look the report up yourself. Sellers whose verified certificates cover what Research Scientific sells are listed first; the full ranked list of 40 is linked underneath.

  1. Lab77Peptides lab77peptides.uk · own-name Janoshik COA including Selank, Sep 2026
  2. Peptology Labs peptologylabs.uk · own-name Janoshik COA including Selank, Sep 2026
  3. Mercia Research merciaresearch.com · own-name Janoshik COA including Selank, Sep 2026
  4. Peptide Central UK peptidecentraluk.com · own-name Janoshik COA including Selank, Sep 2026
  5. Biohackpeptides biohackpeptides.co.uk · own-name Janoshik COA including Selank, Sep 2026
  6. Pureline Biolabs purelinebiolabs.co.uk · own-name Janoshik COA including Selank, Sep 2026

Full ranked list: the 40 independently-tested UK vendors. Read the complete Research Scientific audit, or check any shop with the free COA Checker.