YB Peptide
Retatrutide
Finnrick tested 7 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from YB Peptide between 21 Aug 2025 and 12 Mar 2026. Test scores average over 7, no score below 6, and at least 6 tests warrant a confident Finnrick Rating of A (Great).
Finnrick Rating™
YB Peptide
Retatrutide
Tested 7 Samples
Last test 12 Mar 2026
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Samples are tested in commercial labs
Tests Count
7
Scores
AVGMINMAX
Last
12 Mar 2026
First
21 Aug 2025
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 12 Mar 2026 | View | 10mg | 9.62mg | -3.8% | 99.90% | (no batch ID) | White Label / Silver Crimp / Green Cap | Lab E | Public | |
| 10 Feb 2026 | View | 5mg | 5.4mg | +8.0% | 99.50% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 29 Dec 2025 | View | 20mg | 21.6mg | +8.0% | 99.70% | 12032025RT20 | White Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 25 Nov 2025 | View | 10mg | 9.85mg | -1.5% | 99.95% | (no batch ID) | No Label / Silver Crimp / Clear Green Cap | Lab E | Public | |
| 18 Sep 2025 | View | 10mg | 9mg | -10.0% | 99.95% | June 5, 2025 | No Label / Blue Crimp / Clear Cap | Lab E | Public | |
| 15 Sep 2025 | View | 10mg | 9.69mg | -3.1% | 99.68% | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 21 Aug 2025 | View | 10mg | 10.1mg | +1.0% | 99.93% | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |