Retatrutide × Instant Peptides - Lab Test, January 2026
Test results
About this test
This independent HPLC lab test with UV detection coupled to mass spectrometry confirms Retatrutide 17.28mg from Instant Peptides at 99.86% purity. The analysis was conducted by Freedom Diagnostics Testing on January 22, 2026.
Retatrutide is a triple GIP/GLP-1/GCG receptor agonist researched for metabolic regulation, weight management, and glycemic control. A purity level of 99.86% indicates high-grade synthesis with minimal contamination. Endotoxin safety screening returned a PASS result (≤0.5 EU/mg across both replicates).
The sample appeared as a white lyophilized powder in a black-capped vial. The full certificate of analysis (COA: 2601210040) is available for download on this page.
Certificate of analysis
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