HomeLab Tests optimumaminos.com peptides, Glutathione
Purity · pass✓ Lab-verifiedShop-provided sample

Glutathione × optimumaminos.com peptides — lab test, April 2026

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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
99.79%
Excellent purity only
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Independently confirmed on the lab’s portal✓ Extra check

COA 2604280119 matches freedomdiagnosticstesting.com's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeOpti2604280119

Test results

7 data points
Purity
99.79%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
1500 mg
Tested qty
1550.4 mg
Qty match
103% of labeled · +3%
Batch / Lot
GTT-26A
COA number
2604280119
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

What’s in the vial

Label 1500 mg · Lab measured 1550.4 mg

103% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 387.6 mg using the measured mass, against 375 mg on the label — 3% 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 number2604280119
Portal lookup✓ Lab-verified
Checked12 Aug 2026date taken from the record, not from a logged check
Checked byPeptigrity staff, against the lab's portal
PDF vs portalfreedomdiagnosticstesting.com's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Glutathione from optimumaminos.com peptides, performed by freedomdiagnosticstesting.com on April 29, 2026. Reported purity: 99.79%. Net content: 1550.4 mg against 1500 mg labeled (103% of label). Batch GTT-26A. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by freedomdiagnosticstesting.com · Apr 29, 2026 · Batch GTT-26A

Related lab tests

8 tests

The 133 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 99.79%.

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