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Purity · pass✓ Lab-verifiedShop-provided sample

Glutathione × mspeptides.com — Lab Test, July 2025

LotR250616-GLU-W001look this batch up across every shop →
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
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
99.939%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA #70665 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeWVXJDNE14BJC

Test results

6 data points
Purity
99.939%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1596.85 mg
Qty match
106% of labeled · +6%
Batch / Lot
R250616-GLU-W001
COA number
#70665
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

What’s in the vial

Label 1500 mg · Lab measured 1596.85 mg

106% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 399.2 mg using the measured mass, against 375 mg on the label — 6% 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.

Verification trail
Report number#70665
Portal lookup✓ Lab-verified
Checked20 Jul 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalJanoshik Labs's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Glutathione from mspeptides.com, performed by Janoshik Labs on July 9, 2025. Reported purity: 99.939%. Net content: 1596.85 mg against 1500 mg labeled (106% of label). Batch R250616-GLU-W001. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Janoshik Labs · Jul 09, 2025 · Batch R250616-GLU-W001

Related lab tests

8 tests

The 128 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 99.94%.

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