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✓ Purity · passShop-provided sample

Glutathione × Bulk Peptide Supply — lab test, September 2025

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Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. The Trust Score counts it like any other published test; who sourced the vial is shown so you can weigh it yourself.How we weigh evidence →
HPLC Purity
99.6%
✓ Excellent purity only
Counts toward Bulk Peptide Supply's Trust Score until 29 Sept 2027
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Independent verification available

MDx BioAnalytical Laboratory publishes a public verification portal. Any test attributed to this lab can be looked up and confirmed directly with the lab — so this result doesn't rest on our review alone.

This certificate carries no lookup code.

Test results

7 data points
Purity
99.6%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
600 mg
Tested qty
604.31 mg
Qty match
101% of labeled · +1%
Batch / Lot
QC251321
Container
White Crystals
Tested by

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 600 mg · Lab measured 604.31 mg

101% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 151.1 mg using the measured mass, against 150 mg on the label — 1% 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.

Independent HPLC purity analysis of Glutathione from Bulk Peptide Supply, performed by MDx BioAnalytical Laboratory on September 29, 2025. Reported purity: 99.6%. Net content: 604.31 mg against 600 mg labeled (101% of label). Batch QC251321. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by MDx BioAnalytical Laboratory · Sep 29, 2025 · Batch QC251321

Other lots of Glutathione from Bulk Peptide Supply

LotTestedLabPurityvs labelStatus
QC25133029 Sept 2025MDx BioAnalytical Laboratory99.6%101%Unverified

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

7 tests

The 141 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 99.60%.

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