This independent HPLC lab test confirms IGF-1 LR3 1mg from Eternal Peptides at 99.786% purity. The analysis was conducted by Janoshik Labs on October 16, 2025.
IGF-1 LR3 is a long-chain insulin-like growth factor variant researched for its role in muscle growth, protein synthesis, and cellular regeneration. A purity level of 99.786% indicates high-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page using verification key WMY67Z453GIB.
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