This independent lab test confirms HGH 191AA 15 IU from Penguin Peptides at 95.016% purity with an actual measured content of 4.90 mg (14.7 IU). The analysis was conducted by Janoshik Labs on January 22, 2026. Dimer and related proteins were measured at 0.349%.
HGH 191AA is a recombinant human growth hormone (rHGH) consisting of 191 amino acids, researched for its role in growth regulation, cell regeneration, and body composition. A purity level of 95.016% with low dimer content of 0.349% indicates acceptable synthesis quality.
The full certificate of analysis is available for download on this page.
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