This independent HPLC-UV/VIS lab test confirms IGF-1 LR3 1mg from Arcane Peptides at 98.64% purity. The analysis was conducted by Vanguard Laboratory on May 5, 2026.
IGF-1 LR3 (Long Arg3 insulin-like growth factor) is a growth factor analog researched for muscle growth, recovery, and cellular proliferation. A purity level of 98.64% 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.