COA COA-2026-953574 matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
PSTBQDTLThis is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.
Independent HPLC purity analysis of Glutathione from ezpeps.com, performed by ILS Laboratories on July 9, 2026. Reported purity: 99.29%. Net content: 1543.56 mg against 1500 mg labeled (103% of label). Heavy metals: Arsenic (As): Not Detected, Pass; Cadmium (Cd): Not Detected, Pass; Lead (Pb): Not Detected, Pass; Mercury (Hg): Not Detected, Pass; Chromium (Cr): Not Detected, Pass. Batch 26-U6-PST / GLU1500-0626. Sample source: shop-provided. Certificate of analysis attached.

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