GHK-Cu × Instant Peptides — lab test, April 2026
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Test results
Not on file for this certificate: endotoxins, sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 100 mg · Lab measured 107.88 mg
108% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 27 mg using the measured mass, against 25 mg on the label — 8% 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 Instant Peptides, performed by Kovera Labs on April 29, 2026. Reported purity: 99.87%. Net content: 107.88 mg against 100 mg labeled (108% of label). Batch 2026-0254-A. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Instant Peptides
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 2026-0255-A | 29 Apr 2026 | Kovera Labs | 99.93% | 109% | Unverified |
| 2026-0239-A | 9 Mar 2026 | Freedom Diagnostics | 99.939% | 108% | Unverified |
| 2025-0239-B | 1 Nov 2025 | Freedom Diagnostics | 99.802% | 112% | Unverified |
| 2025-0239 | 8 Aug 2025 | Freedom Diagnostics | 99.54% | 91% | 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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