Tesamorelin 11.58mg from NextGen Peptides achieves 99.427% purity according to this independent HPLC analysis with UV detection coupled to mass spectrometry. The test was conducted by Freedom Diagnostics Testing on December 15, 2025.
Tesamorelin is a growth hormone-releasing hormone (GHRH) analog researched for growth hormone stimulation, body composition improvement, and metabolic support. A purity level of 99.427% demonstrates pharmaceutical-grade synthesis with minimal contamination and high product consistency.
The certificate of analysis (COA #2512160120) is available for download and includes chromatographic data and mass spectrometry confirmation. The sample appears as a white lyophilized powder.
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.