Glutathione × ezpeps.com — Lab Test, July 2026
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.
PSTBQDTLTest 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
Label 1500 mg · Lab measured 1543.56 mg
103% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 385.9 mg using the measured mass, against 375 mg on the label — 3% more.
One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.
| Report number | COA-2026-953574 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 24 Jul 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | ILS Laboratories's portal shows validity only |
| Weight | Counts as one lab test |
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.
Certificate of analysis
Other lots of Glutathione from ezpeps.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 25-U11-PT | 23 Jan 2026 | freedomdiagnosticstesting.com | 99.932% | 96% | ✓ Lab-verified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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