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

GHK-Cu × Crush Research — lab test, November 2025

Sample label: Crush Research Supply
Lotlook this batch up across every shop →Check another lot
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
99.77%
✓ Excellent purity only
Counts toward Crush Research's Trust Score until 6 Nov 2027
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Independent verification available

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Test results

8 data points
Purity
99.77%
Endotoxins
≤ 0.05 EU/mL
Sterility
Not on file
Heavy metals
Not tested
Stated qty
80 mg
Tested qty
97.59 mg
Qty match
122% of labeled · +22%
Batch / Lot
CRKL-80-1025-01
Container
Two vials with dark blue caps, blue lyophilized powder (Crush Research Supply branded)
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 80 mg · Lab measured 97.59 mg

122% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 24.4 mg using the measured mass, against 20 mg on the label — 22% 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.

Independent HPLC purity analysis of GHK-Cu/KPV/BPC-157/Thymosin Beta-4 from Crush Research, performed by Freedom Diagnostics on November 6, 2025. Reported purity: 99.77%. Net content: 97.59 mg against 80 mg labeled (122% of label). Tested content exceeds the labeled amount by 22%. Endotoxins: ≤ 0.05 EU/mL. Batch CRKL-80-1025-01. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Freedom Diagnostics · Nov 06, 2025 · Batch CRKL-80-1025-01

Other lots of GHK-Cu from Crush Research

LotTestedLabPurityvs labelStatus
CR-GHK100MG-082824 Aug 2026ILS Laboratories99.59%102%Unverified
CR-GHK50MG-082824 Aug 2026ILS Laboratories99.81%107%Unverified
CR-GHK-100MG-2607-Purple31 Jul 2026ILS Laboratories99.29%105%Unverified
CR-GHK-50MG-2606-126 Jun 2026ILS Laboratories99.75%105%Unverified
CR-GHKCU-100-2606-19 Jun 2026ILS Laboratories99.57%106%Unverified
CRGHK-100-2604-122 Apr 2026ILS Laboratories99.91%105%Unverified
CRKLO-80-2604-122 Apr 2026ILS Laboratories99.47%104%Unverified
CR-GCU100-2603-12 Apr 2026BTLabs99.7%113%Lab has no portal

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 886 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.77%.

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