
Lipeptides
Retatrutide
Finnrick tested 11 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Lipeptides between 6 Dec 2025 and 27 Apr 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™
Lipeptides
Retatrutide
Tested 11 Samples
Last test 27 Apr 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 Lipeptides
Samples are tested in commercial labs
Tests Count
11
Scores
AVGMINMAX
Last
27 Apr 2026
First
6 Dec 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 27 Apr 2026 | View | 20mg | 19.5mg | -2.5% | 99.80% | n/a | March 2, 2026 | No Label / Silver Crimp / Violet Cap | Lab G | Public | |
| 22 Apr 2026 | View | Endotoxins | 20mg | n/a | n/a | n/a | low | March 2, 2026 | No Label / Silver Crimp / Violet Cap | Lab G | Public |
| 25 Mar 2026 | View | 10mg | 10.3mg | +3.0% | 99.90% | n/a | 1/30/2026 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 18 Mar 2026 | View | 5mg | 4.63mg | -7.4% | 99.90% | n/a | February 1, 2026 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 3 Mar 2026 | View | 10mg | 10.8mg | +8.0% | 99.90% | n/a | Jan 4, 2026 | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 16 Feb 2026 | View | 5mg | 4.93mg | -1.4% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 29 Jan 2026 | View | 5mg | 5.07mg | +1.4% | 99.31% | not detected | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 26 Jan 2026 | View | 15mg | 14.7mg | -2.0% | 99.80% | n/a | (no batch ID) | Silver Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 19 Jan 2026 | View | 5mg | 4.76mg | -4.8% | 99.95% | n/a | 12/6 | No Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 15 Jan 2026 | View | 20mg | 19.4mg | -3.0% | 99.91% | n/a | (no batch ID) | No Label / Silver Crimp / Violet Cap | Lab E | Public | |
| 7 Jan 2026 | View | 10mg | 10.2mg | +2.0% | 99.60% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 6 Dec 2025 | View | 15mg | 15.4mg | +2.7% | 99.76% | n/a | (no batch ID) | Gray Label / Copper Crimp / Clear Cap | Lab E | Public | |