GHK-Cu × Peptidology — lab test, August 2025
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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 80 mg · Lab measured 76.1 mg
95% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 19 mg using the measured mass, against 20 mg on the label — 5% less.
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 KLOW from Peptidology, performed by Vanguard Laboratory on August 11, 2025. Reported purity: 99%. Net content: 76.1 mg against 80 mg labeled (95% of label). Batch 1360. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Peptidology
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 1673 | 14 Apr 2026 | Vanguard Laboratory | 99.5% | 106% | Unverified |
| 1671 | 10 Mar 2026 | Vanguard Laboratory | 99.8% | 101% | Unverified |
| 1668 | 24 Feb 2026 | Vanguard Laboratory | 99.5% | 73% | Unverified |
| 1667 | 1 Dec 2025 | Vanguard Laboratory | 99.8% | 112% | Unverified |
| 1665 | 18 Nov 2025 | Vanguard Laboratory | 99.5% | 100% | Unverified |
| 1363 | 28 Aug 2025 | Vanguard Laboratory | 99.5% | 105% | Unverified |
| 01-029-PD-1358 | 29 Jul 2025 | Vanguard Laboratory | 99.72% | 130% | Unverified |
| 01-029-PD-1353 | 2 Apr 2025 | Vanguard Laboratory | 99.5% | 106% | 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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