This independent HPLC lab test with UV detection coupled with mass spectrometry confirms IGF-1 LR3 1mg from Pura Peptide at 96.21% purity. The analysis was conducted by Freedom Diagnostics Testing on October 15, 2025.
IGF-1 LR3 is a long-acting analog of insulin-like growth factor-1 researched for its role in muscle growth, tissue repair, and metabolic regulation. A purity level of 96.21% indicates minimal contamination and high-grade synthesis.
The full certificate of analysis is available for download on this page.

Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.