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✓ Purity · pass✓ Lab-verifiedShop-provided sample

Glutathione × Backroad Aminos — lab test, September 2026

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Tested · submitted by Peptigrity Team Member 01PEPTIGRITY TEAM
Filed by Peptigrity Team Member 01 ·
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
99.93%
✓ Excellent purity only
Counts toward Backroad Aminos's Trust Score until 10 Sept 2028
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA 2609109032 matches Freedom Diagnostics's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeBack2609109032

Test results

8 data points
Purity
99.93%
Endotoxins
Pass (2 replicates, LAL, sensitivity <=0.05 EU/mL)
Sterility
Not on file
Heavy metals
Pass - As, Cd, Pb, Hg below limits (ICP-MS)
Stated qty
1500 mg
Tested qty
1490.79 mg
Qty match
99% of labeled · -1%
Batch / Lot
0926GLU1500
COA number
2609109032
Tested by
Freedom DiagnosticsView profile →

Not on file for this certificate: sterility. A purity figure says nothing about that.

About this test

What’s in the vial

Label 1500 mg · Lab measured 1490.79 mg

99% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 372.7 mg using the measured mass, against 375 mg on the label — 1% 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.

Verification trail
Report number2609109032
Portal lookup✓ Lab-verified
PDF vs portalFreedom Diagnostics's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of Glutathione from Backroad Aminos, performed by Freedom Diagnostics on September 10, 2026. Reported purity: 99.93%. Net content: 1490.79 mg against 1500 mg labeled (99% of label). Endotoxins: Pass (2 replicates, LAL, sensitivity <=0.05 EU/mL). Heavy metals: Pass - As, Cd, Pb, Hg below limits (ICP-MS). Batch 0926GLU1500. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Sep 10, 2026 · Batch 0926GLU1500

Other lots of Glutathione from Backroad Aminos

LotTestedLabPurityvs labelStatus
BA061526GLT120020 Jun 2026Kovera Labs99.62%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 148 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 99.93%.

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