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Purity · passBatch · C119Shop-provided sample

Glutathione × Glowing Peptides — Lab Test, May 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
98.592%
Excellent purity only
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Test results

6 data points
Purity
98.592%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1548.79 mg
Qty match
103% of labeled · +3%
0label125%
Batch / Lot
C119
Tested by
Janoshik LabsView 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 glowingpeptides.com, performed by Janoshik Labs on May 6, 2026. Reported purity: 98.592%. Net content: 1548.79 mg against 1500 mg labeled (103% of label). Batch C119. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for Glutathione 1500mg from Glowing Peptides showing 98.592% purity
Issued by Janoshik Labs · May 06, 2026 · Batch C119

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The 87 other Glutathione tests on Peptigrity range from 96.10% to 99.99%. This one sits at 98.59%.

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