Glutathione × puratekpeptides.com — lab test, July 2026
COA COA-2026-3DWNCQ matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.
WR397VLNTest 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 1534.31 mg
102% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 383.6 mg using the measured mass, against 375 mg on the label — 2% 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-2026-3DWNCQ |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 31 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 puratekpeptides.com, performed by ILS Laboratories on July 5, 2026. Reported purity: 99.55%. Net content: 1534.31 mg against 1500 mg labeled (102% of label). Batch GLU1500002. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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