Retatrutide × Peptira - Lab Test, February 2026
Test results
About this test
This independent HPLC lab test confirms Retatrutide blend from Peptira at 99.89 purity. The analysis was conducted using HPLC with UV detection coupled with mass spectrometry on February 19, 2026.
Retatrutide is a GLP-1, GIP, and glucagon receptor agonist researched for its role in metabolic regulation, weight management, and glycemic control. A purity level of 99.89 indicates high-grade synthesis with minimal impurities. Endotoxin testing passed with levels below 0.05 EU/mL, demonstrating safety standards for research use. The product appearance is a white lyophilized powder.
The full certificate of analysis is available for download on this page.
Certificate of analysis
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