Glutathione × polarispeptides.com — lab test, January 2026
COA #99749 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Q1MQW6RVP9K3Test 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 600 mg · Lab measured 675.4 mg
113% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 168.9 mg using the measured mass, against 150 mg on the label — 13% more.
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.
| Report number | #99749 |
|---|---|
| Portal lookup | ✓ Lab-verified |
| Checked | 4 Aug 2026date taken from the record, not from a logged check |
| Checked by | Peptigrity staff, against the lab's portal |
| PDF vs portal | Janoshik Labs's portal shows validity only |
| Weight | Counts as one lab test |
Independent HPLC purity analysis of Glutathione from polarispeptides.com, performed by Janoshik Labs on January 21, 2026. Reported purity: 97.89%. Net content: 675.4 mg against 600 mg labeled (113% of label). Tested content exceeds the labeled amount by 13%. Batch POL-GLU600-2. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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