PepClub USA
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from PepClub USA between 6 Mar 2026 and 6 Jun 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
PepClub USA
Retatrutide
Tested 4 Samples
Last test 6 Jun 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 Retatrutide tests from top-rated vendors:
All Retatrutide tests from PepClub USA
Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
6 Jun 2026
First
6 Mar 2026
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 6 Jun 2026 | View | 15mg | 15.4mg | +2.7% | 99.60% | mar.2,2026 | No label / Silver crimp / Orange cap | Lab G | Public | |
| 10 Mar 2026 | View | 40mg | 33.8mg | -15.5% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |
| 6 Mar 2026 | View | 5mg | 4.46mg | -10.8% | 99.90% | January 1, 2026 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 6 Mar 2026 | View | 40mg | 33.3mg | -16.8% | 99.90% | (no batch ID) | No Label / Silver Crimp / Red Cap | Lab E | Public | |