Testing & evidence
Testing claimed
- Evidence status
- Testing claimed
- Manufacturer statement
- "Every vial ships with a batch-specific certificate of analysis from Janoshik, a third party laboratory, verifiable by task number." "Batch-specific Certificate of Analysis. Identity by HPLC and mass spectrometry, purity, and a heavy metals panel covering arsenic, cadmium, lead and mercury." "A batch-specific Certificate of Analysis is available on request and will be published in our COA Library." "Every batch supplied by PerformanceLabsUK is third party tested by Janoshik Analytical, and every vial ships with that batch-specific certificate of analysis."
- Laboratory
- Not recorded
- Certification body
- Not recorded
- Batch
- Not recorded
- Batch-specific report
- Not established in this record
- Report date
- Not recorded
- Evidence checked
- 2026-10-25
The product page and COA library both make strong third-party testing claims, but I could not find an actual retatrutide COA document or batch report to verify. No batch number, purity result, chromatogram, or assay data was accessible from the site pages I reviewed.