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Purity · passBatch · GL-0004ACFShop-provided sample

Glutathione × amc-essentials.com — Lab Test, January 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
99.804%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2601140186 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeAMCE2601140186

Test results

8 data points
Purity
99.804%
Endotoxins
Pass (Replicate 1), Pass (Replicate 2)
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1187.36 mg
Qty match
79% of labeled · -21%
0label125%
Batch / Lot
GL-0004ACF
COA number
2601140186
Container
White Lyophilized Powder
Tested by

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 amc-essentials.com, performed by freedomdiagnosticstesting.com on January 17, 2026. Reported purity: 99.804%. Net content: 1187.36 mg against 1500 mg labeled (79% of label). Tested content is 21% below the labeled amount. Endotoxins: Pass (Replicate 1), Pass (Replicate 2). Batch GL-0004ACF. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Certificate of analysis for Glutathione from amc-essentials.com, issued by freedomdiagnosticstesting.com
Issued by freedomdiagnosticstesting.com · Jan 17, 2026 · Batch GL-0004ACF

Related lab tests

8 tests

The 90 other Glutathione tests on Peptigrity range from 96.10% to 99.99%. This one sits at 99.80%.

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