Glutathione × s1research.net — lab test, April 2026
COA 2604080115 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Step2604080115Test 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 1482.36 mg
99% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 370.6 mg using the measured mass, against 375 mg on the label — 1% less.
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 | 2604080115 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 3 Aug 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | freedomdiagnosticstesting.com's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of Glutathione from s1research.net, performed by freedomdiagnosticstesting.com on April 9, 2026. Reported purity: 99.49%. Net content: 1482.36 mg against 1500 mg labeled (99% of label). Endotoxins: Pass. Batch NP040526S1V. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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