Glutathione × IonPeptide - Lab Test, February 2026
Test results
About this test
This independent UV-Vis spectrophotometry lab test confirms L-Glutathione 600mg from IonPeptide at 99.85% purity. Vial A tested at 640.26mg with 99.9% purity and Vial B tested at 650.50mg with 99.8% purity. The analysis was conducted by Analytical Formulations, Inc. on February 7, 2026.
L-Glutathione is a tripeptide compound researched for its role in antioxidant defense, cellular detoxification, and oxidative stress reduction. A purity level of 99.85% indicates minimal contamination and high-grade synthesis, with the sample appearing as white lyophilized powder in clear glass vials with red caps and silver crimps.
The test also confirmed heavy metals below 20 ppb and zero microbial contamination (TAMC and TYMC). The full certificate of analysis is available for download on this page.
Certificate of analysis
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