
LN Peptides
Retatrutide
Finnrick tested 12 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from LN Peptides between 17 Nov 2025 and 3 Aug 2026. Test scores average below 4 or some scores below 3, and at least 6 tests, warrant a confident Finnrick Rating of E (Bad).
Finnrick Rating™
LN Peptides
Retatrutide
Tested 12 Samples
Last test 3 Aug 2026
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Samples are tested in commercial labs
Tests Count
12
Scores
AVGMINMAX
Last
3 Aug 2026
First
17 Nov 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 3 Aug 2026 | View | 40mg | 32.2mg | -19.5% | 99.90% | n/a | Rt40pucap063026ln | White label / Violet crimp / Clear Pink cap | Lab E | Public | |
| 22 Jul 2026 | View | 30mg | ⚠️ Sample does not contain Retatrutide | n/a | Rt30WH042026LN | No label / Silver crimp / Black cap | Lab E | Public | |||
| 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 | |