Forumshangdong yixin · Shop talk · 8 replies
✓ Purity · pass✓ Lab-verifiedShop-provided sample

Glutathione × Crush Research — lab test, August 2026

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Tested · submitted by @Peptigrity 👑 Legend
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
98.56%
✓ Excellent purity only
Counts toward Crush Research's Trust Score until 24 Aug 2028
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Independently confirmed on the lab’s portal✓ Extra check

COA -2026-956439 matches ILS Laboratories's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeEYW6PWUF

Test results

8 data points
Purity
98.56%
Endotoxins
0.104 EU/mL
Sterility
Not on file
Heavy metals
Not Detected
Stated qty
1500 mg
Tested qty
1541.89 mg
Qty match
103% of labeled · +3%
Batch / Lot
CR-GLU1500MG-0828
COA number
-2026-956439
Tested by
ILS LaboratoriesView 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 1541.89 mg

103% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 385.5 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 number-2026-956439
Portal lookup✓ Lab-verified
PDF vs portalILS Laboratories's portal shows validity only
Submitted viaPeptigrity staff
WeightCounts as one lab test

Independent HPLC purity analysis of Glutathione from Crush Research, performed by ILS Laboratories on August 24, 2026. Reported purity: 98.56%. Net content: 1541.89 mg against 1500 mg labeled (103% of label). Endotoxins: 0.104 EU/mL. Heavy metals: Not Detected. Batch CR-GLU1500MG-0828. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by ILS Laboratories · Aug 24, 2026 · Batch CR-GLU1500MG-0828

Related lab tests

5 tests

The 147 other Glutathione tests on Peptigrity range from 96.10% to 100.00%. This one sits at 98.56%.

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