Reta-Peptide
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR antagonist) from Reta-Peptide between 20 Jun 2025 and 8 Sep 2025. Test scores average over 6, no score below 5, and at least 6 tests warrant a confident Finnrick Rating of B (Good).
Finnrick Rating™
Reta-Peptide
Retatrutide
Tested 10 Samples
Last test 8 Sep 2025
Take Action
Researcher
Request Full Data Access to the Finnrick database of peptide tests.
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 Retatrutide tests from top-rated vendors:
All Retatrutide tests from Reta-Peptide
Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
8 Sep 2025
First
20 Jun 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Batch | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 8 Sep 2025 | View | 10mg | (no batch claim) | 9.550mg | -4.5% | 99.86% | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 4 Sep 2025 | View | 20mg | (no batch claim) | 18.900mg | -5.5% | 99.82% | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 4 Sep 2025 | View | 30mg | (no batch claim) | 26.400mg | -12.0% | 99.95% | 07.15.25 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 1 Sep 2025 | View | 50mg | (no batch claim) | 54.350mg | +8.7% | 99.98% | (no batch ID) | No Label / Silver Crimp / Clear Yellow Cap | Lab F | Public | |
| 31 Aug 2025 | View | 10mg | (no batch claim) | 9.240mg | -7.6% | 99.93% | (no batch ID) | Yellow Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 4 Aug 2025 | View | 30mg | 35.7mg | 30.100mg | -15.8% | 99.86% | RT2503608 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 25 Jul 2025 | View | 10mg | (no batch claim) | 9.450mg | -5.5% | 99.91% | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 16 Jul 2025 | View | 10mg | (no batch claim) | 8.620mg | -13.8% | 99.76% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 30 Jun 2025 | View | 10mg | (no batch claim) | 11.020mg | +10.2% | 99.52% | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab A | Public | |
| 20 Jun 2025 | View | 10mg | (no batch claim) | 9.420mg | -5.8% | 99.73% | (no batch ID) | White Label / Silver Crimp / Yellow Cap | Lab E | Public | |