This independent HPLC lab test confirms IGF-1 LR3 1mg from RC Peptides at 99.356% purity. The analysis was conducted by Janoshik Labs on October 10, 2025.
IGF-1 LR3 is an insulin-like growth factor analog researched for its role in muscle growth, recovery, and tissue repair. A purity level of 99.356% indicates high-grade synthesis and minimal contamination.
The full certificate of analysis is available for download on this page.
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