GHK-Cu × growthguys.is — lab test, January 2026
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Test results
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
Label 65 mg · Lab measured 65.15 mg
100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 16.3 mg on both the label figure and the measured one.
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 growthguys.is, performed by Janoshik Labs on January 2, 2026. Reported purity: 99.268%. Net content: 65.15 mg against 65 mg labeled (100% of label). Batch GHK05. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from growthguys.is
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| GHK09 | 28 Apr 2026 | Janoshik Labs | 99.005% | 96% | Unverified |
| GHK07 | 30 Mar 2026 | Janoshik Labs | 99.934% | 96% | Unverified |
| GHK06 | 19 Feb 2026 | Janoshik Labs | 99.814% | 96% | Unverified |
| GHK04 | 5 Nov 2025 | Janoshik Labs | 99.565% | 99% | Unverified |
| GHK03 | 7 Aug 2025 | Janoshik Labs | 99.972% | 102% | Unverified |
| GHK01 | 23 May 2025 | Janoshik Labs | 99.894% | 96% | Unverified |
Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.
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