Alternatives to Direct Peptides UK in the UK: sellers you can actually verify

Direct Peptides UK (directpeptidesuk.com) 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 Direct Peptides UK 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 Direct Peptides UK

Unlike Direct Peptides UK, each seller below has been checked to publish a certificate that names the seller itself as the client, not a factory or supplier. A selection of six is shown here; the full ranked list of 41 is linked underneath.

1. Clinicore clinicore.co.uk · own-name Janoshik COA Feb 2026
2. Tested Peptides testedpeptides.co.uk · own-name Janoshik COA Jan 2026
3. Lab77Peptides lab77peptides.uk · own-name Janoshik COA Sep 2026
4. Peptology Labs peptologylabs.uk · own-name Janoshik COA Sep 2026
5. Biovanta biovanta.store · own-name Janoshik COA Sep 2026
6. Mercia Research merciaresearch.com · own-name Janoshik COA Sep 2026

Full ranked list: the 41 independently-tested UK vendors. Read the complete Direct Peptides UK audit, or check any shop with the free COA Checker.