Lot testing and certificates of analysis

This is a short hub for lot testing and certificates of analysis on research-use-only peptides from PureLab Performance. It is not an ISO 17025 claim, not a pass/fail badge, and not a statement that every catalog item has been assayed.

The public lot library is Certificates of Analysis. How to read a certificate: How to read a GLP-1 peptide COA.

Posted example: retatrutide lot fghe8m6

One published lot, not a brand-wide score. Retatrutide lot fghe8m6 was assayed by Krause Analytical. Report issued 5 August 2026. Chromatographic purity >99.9%. Content versus label 87.6% of the 30 mg label claim (26.3 mg). Those figures apply only to lot fghe8m6. Lot page: /coa/retatrutide-fghe8m6/.

Tirzepatide — LOT PENDING

Tirzepatide currently reads LOT PENDING. There is no lot number, no purity figure, and no content-versus-label result to list until the certificate is public.

Research Use Only (RUO). For laboratory research only. Not for human or veterinary use. Not a drug, not a supplement, not food. Not intended to diagnose, treat, cure, or prevent any disease. No statements on this page have been evaluated by the FDA. Not for human consumption.