LKZ Peptide Pharmaceutical
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from LKZ Peptide Pharmaceutical between 15 Apr 2026 and 21 Aug 2026. Test scores average over 6, no score below 5, and at least 2 tests warrant a tentative Finnrick Rating of B (Good).
Finnrick Rating™
Tentative Rating
LKZ Peptide Pharmaceutical
Retatrutide
Tested 4 Samples
Last test 21 Aug 2026
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Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
21 Aug 2026
First
15 Apr 2026
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 21 Aug 2026 | View | 15mg | 15.9mg | +6.0% | 99.80% | (no batch ID) | No label, Silver crimp, Pink cap | Lab G | Public | |
| 15 Apr 2026 | View | 30mg | 33.5mg | +11.7% | 99.70% | (no batch ID) | White Label / Silver Crimp / Pink Cap | Lab G | Public | |
| 15 Apr 2026 | View | 20mg | 19.9mg | -0.5% | 99.70% | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 15 Apr 2026 | View | 10mg | 8.8mg | -12.0% | 99.60% | (no batch ID) | Silver Label / Silver Crimp / White Cap | Lab G | Public | |