Lipeptides
Retatrutide
Finnrick tested 4 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Lipeptides between 6 Dec 2025 and 15 Jan 2026. Test scores average below 4 or some scores below 3, and at least 2 tests, warrant a tentative Finnrick Rating of E (Bad).
Finnrick Rating™
Tentative Rating
Lipeptides
Retatrutide
Tested 4 Samples
Last test 15 Jan 2026
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 Lipeptides
Samples are tested in commercial labs
Tests Count
4
Scores
AVGMINMAX
Last
15 Jan 2026
First
6 Dec 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 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 Jan 2026 | View | 5mg | 10.1mg | +102.0% | 99.31% | not detected | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab E | 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 | |