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This independent HPLC lab test with UV detection coupled with mass spectrometry (LC-MS) confirms Glutathione 750mg from Petratide Science at 99.69% purity. The analysis was conducted by Freedom Diagnostics on April 30, 2026.
Glutathione is a tripeptide antioxidant researched for its role in cellular detoxification, immune function, oxidative stress reduction, and overall cellular health. A purity level of 99.69% indicates pharmaceutical-grade synthesis with minimal contamination.
The full certificate of analysis is available for download on this page.

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