Both Lab77Peptides and Peptology Labs publish their own verifiable Janoshik certificate of analysis, so both clear The Peptide Watch's bar; ranked by most recent certificate, Lab77Peptides (Jun 2026) is currently more recent than Peptology Labs (Jun 2026). Both are among the only 28 of 318 UK sellers that pass. The Peptide Watch takes no vendor money.
| Checkable fact | Lab77Peptides | Peptology Labs |
|---|---|---|
| Own-name Janoshik COA | Yes | Yes |
| Latest certificate date | Jun 2026 | Jun 2026 |
| Verified rank | #1 | #2 |
Full audits: Lab77Peptides · Peptology Labs. Both appear on the independently-tested list.