✓ Purity · passBatch · 24th April 2026Shop-provided sample
Glutathione × peptide-lab.eu — 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
98.391%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA #150446 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
GDULIG6IHC42Look it up on Janoshik Labs ↗Checked May 19, 2026
Test results
6 data points
Purity
98.391%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
500 mg
Tested qty
561.52 mg
Qty match
112% of labeled · +12%
0label125%
Batch / Lot
24th April 2026
COA number
#150446
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 peptide-lab.eu, performed by Janoshik Labs on May 19, 2026. Reported purity: 98.391%. Net content: 561.52 mg against 500 mg labeled (112% of label). Tested content exceeds the labeled amount by 12%. Batch 24th April 2026. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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