This independent HPLC lab test confirms GLP1-S4 20 from Peptidology at 99.80 purity. The analysis was conducted by Vanguard Laboratory on August 28, 2025.
GLP1-S4 is a GLP-1 receptor agonist variant researched for its role in metabolic regulation, weight management, and glycemic control. A purity level of 99.80 indicates high-quality synthesis with minimal contamination.
The full certificate of analysis is available for download on this page.
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