GHK-Cu × goodsciencebio.com — lab test, May 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 50 mg · Lab measured 50.19 mg
100% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 12.5 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 goodsciencebio.com, performed by Vanguard Laboratory on May 27, 2026. Reported purity: 99.8%. Net content: 50.19 mg against 50 mg labeled (100% of label). Batch 3548165. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from goodsciencebio.com
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 3548171 | 27 May 2026 | Vanguard Laboratory | 99.8% | 101% | Unverified |
| 3548477 | 27 May 2026 | Vanguard Laboratory | 99.5% | 105% | Unverified |
| 3548597 | 27 May 2026 | Vanguard Laboratory | 99.5% | 101% | 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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