GHK-Cu raw 1g (5 ct)
Independent third-party testing — all production lots
We ship by stock rotation, so the exact lot you receive may differ — every lot's full report is linked below.
| Lot # | Tested | Mass | Purity | Verification |
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| Testing in progress | 2026-07-03 | — | — | — |
| 2026-03-16 | — | 99.83% | Lab tested | |
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| 2025-03-15 | — | 99.69% | ✓2× verified | |
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| 2024-06-14 | — | 99.92% | Lab tested | |
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| 2024-03-21 | — | 99.80% | Lab tested | |
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| 2023-12-02 | — | 99.87% | ✓2× verified | |
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| Exhausted | — | — | — | — |