Forumshangdong yixin · Shop talk · 8 replies
✓ Purity · passShop-provided sample

Glutathione × Protide Health — lab test, May 2026

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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
99.58%
✓ Excellent purity only
Counts toward Protide Health's Trust Score until 18 May 2028
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Independent verification available

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Test results

8 data points
Purity
99.58%
Endotoxins
Pass
Sterility
Not on file
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1457.96 mg
Qty match
97% of labeled · -3%
Batch / Lot
PH-glu15001123
Container
White Lyophilized Powder
Tested by
Freedom DiagnosticsView profile →

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

About this test

What’s in the vial

Label 1500 mg · Lab measured 1457.96 mg

97% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 364.5 mg using the measured mass, against 375 mg on the label — 3% less.

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 Protide Health, performed by Freedom Diagnostics on May 18, 2026. Reported purity: 99.58%. Net content: 1457.96 mg against 1500 mg labeled (97% of label). Endotoxins: Pass. Batch PH-glu15001123. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · May 18, 2026 · Batch PH-glu15001123

Other lots of Glutathione from Protide Health

LotTestedLabPurityvs labelStatus
PH-glu600112318 May 2026Freedom Diagnostics99.72%98%Unverified
PH-GLU15006202 Mar 2026Freedom Diagnostics99.773%96%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

8 tests

The 147 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 99.58%.

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