Glutathione × felixchem.is — lab test, February 2026
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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
Label 1200 mg · Lab measured 1111.8 mg
93% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 278 mg using the measured mass, against 300 mg on the label — 7% 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.
Independent HPLC purity analysis of Glutathione from felixchem.is, performed by freedomdiagnosticstesting.com on February 27, 2026. Reported purity: 99.808%. Net content: 1111.8 mg against 1200 mg labeled (93% of label). Endotoxins: Pass. Batch 022526-GLU-C (white). Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of Glutathione from felixchem.is
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 020526-GLU-C | 12 Feb 2026 | freedomdiagnosticstesting.com | 99.75% | 100% | Unverified |
| 101525-GLU-C | 25 Oct 2025 | freedomdiagnosticstesting.com | 99.742% | 94% | Unverified |
| 060525-GLU-1 | 13 Jun 2025 | Chromate | 99.795% | 102% | Unverified |
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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