Alternatives to True Peptide Lab in the UK: sellers you can actually verify

True Peptide Lab (truepeptidelab.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 True Peptide Lab 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 True Peptide Lab

Unlike True Peptide Lab, each seller below has been checked to publish a certificate you can verify yourself on an independent laboratory's website. A selection of six is shown here; the full ranked list of 38 is linked underneath.

1. Reta24 reta24.co.uk · own-name Janoshik COA May 2026
2. Intel Peptides intelpeptides.com · own-name Janoshik COA May 2026
3. BioVanta Research biovantaresearch.com · own-name Janoshik COA May 2026
4. Phoenixbiolabs phoenixbiolabs.net · own-name Janoshik COA May 2026
5. Peptideprime peptideprime.co.uk · own-name Janoshik COA May 2026
6. Peptidesresearch peptidesresearch.uk · own-name Janoshik COA May 2026

Full ranked list: the 38 independently-tested UK vendors. Read the complete True Peptide Lab audit, or check any shop with the free COA Checker.