ForumApex Peptides and the North Sioux City search: what's confirmed and what buyers can check· Shop talk · last reply 3 h ago
✓ Purity · passShop-provided sample

GHK-Cu × Proforma Peptides — lab test, January 2026

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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%
✓ Excellent purity only
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Independent verification available

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Test results

7 data points
Purity
99%
Endotoxins
Not tested
Sterility
Not on file
Heavy metals
Not tested
Stated qty
100 mg
Tested qty
106.72 mg
Qty match
107% of labeled · +7%
Batch / Lot
2068
Container
Blue powder in glass vial
Tested by
Analiza BiałekView profile →

Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.

About this test

What’s in the vial

Label 100 mg · Lab measured 106.72 mg

107% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 26.7 mg using the measured mass, against 25 mg on the label — 7% 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 from Proforma Peptides, performed by Analiza Białek on January 19, 2026. Reported purity: 99%. Net content: 106.72 mg against 100 mg labeled (107% of label). Batch 2068. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Analiza Białek · Jan 19, 2026 · Batch 2068

Other lots of GHK-Cu from Proforma Peptides

LotTestedLabPurityvs labelStatus
206919 May 2026Analiza Białek99%103%Unverified
256521 Oct 2025Analiza Białek99%106%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

8 tests

The 845 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.00%.

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