GHK-Cu × Good Science — lab test, May 2026
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Test results
Not on file for this certificate: sterility and heavy metals. A purity figure says nothing about those.
About this test
Label 80 mg · Lab measured 81.05 mg
101% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 20.3 mg using the measured mass, against 20 mg on the label — 1% 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/BPC-157/TB-500/KPV from Good Science, performed by Vanguard Laboratory on May 27, 2026. Reported purity: 99.5%. Net content: 81.05 mg against 80 mg labeled (101% of label). Endotoxins: Pass - <5.00 EU/mg. Batch 3548597. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Other lots of GHK-Cu from Good Science
| Lot | Tested | Lab | Purity | vs label | Status |
|---|---|---|---|---|---|
| 3548171 | 27 May 2026 | Vanguard Laboratory | 99.8% | 101% | Unverified |
| 3548165 | 27 May 2026 | Vanguard Laboratory | 99.8% | 100% | Unverified |
| 3548477 | 27 May 2026 | Vanguard Laboratory | 99.5% | 105% | 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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