← back to The Peptide Watch
◇ Alternatives

Alternatives to Protynx Labs in the UK: sellers you can actually verify

By Jamie, Editor · The Peptide Watch · updated 29 September 2026

Protynx Labs (protynxlabs.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 Protynx Labs 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 Protynx Labs

Unlike Protynx Labs, 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 Protynx Labs sells are listed first; the full ranked list of 38 is linked underneath.

  1. Peptology Labs peptologylabs.uk · own-name Janoshik COA including Ipamorelin, Sep 2026
  2. Thoroughbredlabs thoroughbredlabs.co.uk · own-name Janoshik COA including Ipamorelin, Sep 2026
  3. Imperialpeptides imperialpeptides.co.uk · own-name Janoshik COA including Ipamorelin, Aug 2026
  4. Xlpeptides xlpeptides.com · own-name Janoshik COA including Ipamorelin, Apr 2026
  5. Lab77Peptides lab77peptides.uk · own-name Janoshik COA including Ipamorelin, Sep 2026
  6. Pureline Biolabs purelinebiolabs.co.uk · own-name Janoshik COA including Ipamorelin, Sep 2026

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