Planet Peptide
GHK-Cu
Finnrick tested 2 samples of GHK-Cu from Planet Peptide between 20 May 2025 and 6 Mar 2026. Test scores average over 5, no score below 4, and at least 2 tests warrant a tentative Finnrick Rating of C (Okay).
Finnrick Rating™
Tentative Rating
Planet Peptide
GHK-Cu
Tested 2 Samples
Last test 6 Mar 2026
Take Action
Free peptide testing
Mail in a sample (US only) to get confidence for the specific vials you have, and contribute to identifying unsafe supply chains, so other people can avoid risky and costly mistakes.
Other GHK-Cu tests from top-rated vendors:
All GHK-Cu tests from Planet Peptide
Samples are tested in commercial labs
Tests Count
2
Scores
AVGMINMAX
Last
6 Mar 2026
First
20 May 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 6 Mar 2026 | View | 100mg | (no batch claim) | 113mg | +13.0% | 99.70% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 20 May 2025 | View | 100mg | 132.8mg | 171.97mg | +29.5% | 99.73% | GK100-121124 | White Label / Blue Crimp / Blue Cap | Lab F | Public | |