Both Velonix Labs and Peptide Biosciences publish their own verifiable Janoshik certificate of analysis, so both clear The Peptide Watch's bar; ranked by most recent certificate, Velonix Labs (Jun 2026) is currently more recent than Peptide Biosciences (Jun 2026). Both are among the only 28 of 318 UK sellers that pass. The Peptide Watch takes no vendor money.
| Checkable fact | Velonix Labs | Peptide Biosciences |
|---|---|---|
| Own-name Janoshik COA | Yes | Yes |
| Latest certificate date | Jun 2026 | Jun 2026 |
| Verified rank | #4 | #5 |
Full audits: Velonix Labs · Peptide Biosciences. Both appear on the independently-tested list.