LN Peptides
Retatrutide
Finnrick tested 10 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from LN Peptides between 17 Nov 2025 and 4 Jun 2026. Test scores average over 5, no score below 4, and at least 6 tests warrant a confident Finnrick Rating of C (Okay).
Finnrick Rating™
LN Peptides
Retatrutide
Tested 10 Samples
Last test 4 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 LN Peptides
Samples are tested in commercial labs
Tests Count
10
Scores
AVGMINMAX
Last
4 Jun 2026
First
17 Nov 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 4 Jun 2026 | View | 10mg | 10.1mg | +1.0% | 99.70% | n/a | April 15, 2026 | No label / Silver crimp / Clear Pink cap | Lab G | Public | |
| 1 Jun 2026 | View | 20mg | 12.1mg | -39.5% | 99.90% | below LOQ | (no batch ID) | No label / Red crimp / Blue cap | Lab E | Public | |
| 13 May 2026 | View | 10mg | 9.95mg | -0.5% | 99.90% | n/a | Rt10 purple cap | White label / Silver crimp / Clear Violet cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | 11.3mg | +13.0% | 99.70% | n/a | (no batch ID) | White Label / Silver Crimp / White Cap | Lab G | Public | |
| 15 Feb 2026 | View | 30mg | 30mg | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Pink Cap | Lab G | Public | ||
| 11 Feb 2026 | View | 30mg | 29.7mg | -1.0% | 99.90% | n/a | (no batch ID) | White Label / Silver Crimp / Clear Pink Cap | Lab E | Public | |
| 15 Jan 2026 | View | 20mg | 21.1mg | +5.5% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Pink Cap | Lab G | Public | |
| 15 Jan 2026 | View | 15mg | 16.8mg | +12.0% | 99.80% | n/a | (no batch ID) | No Label / Black Crimp / Clear Cap | Lab G | Public | |
| 5 Dec 2025 | View | 50mg | 42.1mg | -15.8% | 99.70% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Pink Cap | Lab G | Public | |
| 17 Nov 2025 | View | 40mg | 37.7mg | -5.8% | 99.68% | n/a | (no batch ID) | White Label / Silver Crimp / Clear Pink Cap | Lab E | Public | |