Lab results
Full transparency, per batch.
Every production batch is tested by an independent, accredited laboratory using HPLC and mass spectrometry. The corresponding Certificate of Analysis can be downloaded below.
Featured report
Retatrutide - 99.725% purity.
Independently tested by Janoshik Analytical (task #228430). Batch 00221, analysis performed on 7 September 2026.
- Purity
- 99.725%
- Measured content
- 11.00 mg
- Method
- HPLC / MS
- Laboratory
- Janoshik Analytical
Verification code: HWUC8QZJJRZF
Method
HPLC
High Performance Liquid Chromatography measures purity and the presence of impurities.
Method
Mass spectrometry
Confirms the exact molecular mass and identity of the peptide.
Method
Bacterial culture
Optional microbiological check for contamination of the lyophilisate.