✓ Purity · passBatch · NP040526S1VShop-provided sample
Glutathione × s1research.net — Lab Test, April 2026
Tested · submitted by @Frank 👑 Legend
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.49%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA 2604080115 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
Step2604080115Look it up on freedomdiagnosticstesting.com ↗Checked Apr 9, 2026
Test results
8 data points
Purity
99.49%
Endotoxins
Pass
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1482.36 mg
Qty match
99% of labeled · -1%
0label125%
Batch / Lot
NP040526S1V
COA number
2604080115
Container
White Lyophilized Powder
Tested by
freedomdiagnosticstesting.comView profile →
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
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
Original document
Issued by freedomdiagnosticstesting.com · Apr 09, 2026 · Batch NP040526S1V
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