Glutathione × Petratide Science — Lab Test, April 2026
freedomdiagnosticstesting.com publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.
This certificate carries no lookup code.
Test results
This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
About this test
Independent HPLC purity analysis of Glutathione from petratidescience.com, performed by freedomdiagnosticstesting.com on April 30, 2026. Reported purity: 99.69%. Net content: 565.75 mg against 750 mg labeled (75% of label). Tested content is 25% below the labeled amount. Batch PS04-GLU750. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Have you tested this peptide?
Submit your third-party lab test to help the community verify purity claims. Every report is reviewed before publication.
Community discussion