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Purity · passBatch · PLY-GT-102Shop-provided sample

Glutathione × plumlabsresearch peptides — 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
99.938%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA KVR-2026-0E1A28 matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeWIOYXI2
Look it up on Kovera Labs ↗Checked Apr 11, 2026

Test results

8 data points
Purity
99.938%
Endotoxins
PASS (≤0.5 EU/mL)
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1577.52 mg
Qty match
105% of labeled · +5%
0label125%
Batch / Lot
PLY-GT-102
COA number
KVR-2026-0E1A28
Container
Lyophilized Powder / Purple Cap / Silver Crimp
Tested by
Kovera 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 plumlabsresearch peptides, performed by Kovera Labs on April 11, 2026. Reported purity: 99.938%. Net content: 1577.52 mg against 1500 mg labeled (105% of label). Endotoxins: PASS (≤0.5 EU/mL). Batch PLY-GT-102. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Certificate of analysis for Glutathione from plumlabsresearch peptides, issued by Kovera Labs
Issued by Kovera Labs · Apr 11, 2026 · Batch PLY-GT-102

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The 110 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 99.94%.

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