
Lipeptides
Retatrutide
Finnrick tested 28 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from Lipeptides between 6 Dec 2025 and 9 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™
Lipeptides
Retatrutide
Tested 28 Samples
Last test 9 Aug 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
28
Scores
AVGMINMAX
Last
9 Aug 2026
First
6 Dec 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 9 Aug 2026 | View | 20mg | 23.4mg | +17.0% | 99.80% | n/a | May25, 2026 | No label, Silver crimp, Blue cap | Lab G | Public | |
| 6 Aug 2026 | View | 30mg | 31.6mg | +5.3% | 99.90% | n/a | JYSM414-21M | No label / Silver crimp / Black cap | Lab G | Public | |
| 5 Aug 2026 | View | 20mg | 17.5mg | -12.5% | 99.90% | not detected | Apr 6, 2026 | No label, Silver crimp, Blue cap | Lab E | Public | |
| 4 Aug 2026 | View | 5mg | 4.94mg | -1.2% | 99.90% | not detected | 03/02/2026 | No label / Silver crimp / Blue cap | Lab E | Public | |
| 2 Aug 2026 | View | 10mg | ⚠️ Sample does not contain Retatrutide | n/a | (no batch ID) | Pink label, Silver crimp, Clear cap | Lab G | Public | |||
| 20 Jul 2026 | View | 40mg | 42.5mg | +6.3% | 99.80% | not detected | June 5, 2026 | No label / Silver crimp / Green cap | Lab E | Public | |
| 20 Jul 2026 | View | 20mg | 19.5mg | -2.5% | 99.50% | not detected | (no batch ID) | No label / Silver crimp / Blue cap | Lab E | Public | |
| 1 Jul 2026 | View | 10mg | 10.1mg | +1.0% | 99.90% | n/a | April 26, 2026 | No label / Silver crimp / Blue cap | Lab E | Public | |
| 1 Jul 2026 | View | 15mg | 11.6mg | -22.7% | 99.90% | n/a | April 26, 2026 | No label / Silver crimp / Clear Blue cap | Lab E | Public | |
| 12 Jun 2026 | View | 10mg | 10.3mg | +3.0% | 99.70% | n/a | (no batch ID) | No label / Silver crimp / Clear Blue cap | Lab G | Public | |
| 12 Jun 2026 | View | 60mg | 61.1mg | +1.8% | 99.90% | below LOQ | April 2, 2026 | No label / Copper crimp / Clear cap | Lab E | Public | |
| 8 Jun 2026 | View | 20mg | 20.5mg | +2.5% | 99.70% | n/a | (no batch ID) | No label / Silver crimp / Clear Blue cap | Lab G | Public | |
| 2 Jun 2026 | View | 15mg | 21mg | +40.0% | 99.80% | n/a | 1/20/26 | No label / Copper crimp / Clear cap | Lab E | Public | |
| 1 Jun 2026 | View | 20mg | 18.7mg | -6.5% | 99.90% | low | March 2, 2026 | No label / Silver crimp / Violet cap | Lab E | Public | |
| 28 May 2026 | View | 30mg | 32.7mg | +9.0% | 99.90% | below LOQ | March 2, 2026 | No label / Silver crimp / Pink cap | Lab E | Public | |
| 11 May 2026 | View | 15mg | 15.8mg | +5.3% | 99.90% | below LOQ | January 31, 2026 | No Label / Gold Crimp / Clear Cap | Lab E | Public | |
| 8 May 2026 | View | 5mg | 5.11mg | +2.2% | 99.90% | n/a | 03-02-2026 | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
| 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 | |