
LSPL
Retatrutide
Finnrick tested 21 samples of Retatrutide (GLP-1, GIP, and GCGR agonist) from LSPL between 6 Nov 2025 and 19 Mar 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™
LSPL
Retatrutide
Tested 21 Samples
Last test 19 Mar 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 LSPL
Samples are tested in commercial labs
Tests Count
21
Scores
AVGMINMAX
Last
19 Mar 2026
First
6 Nov 2025
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 19 Mar 2026 | View | 30mg | 30.6mg | +2.0% | 99.90% | n/a | Light pink cap | No Label / Silver Crimp / Pink Cap | Lab E | Public | |
| 20 Feb 2026 | View | 10mg | 17.1mg | +71.0% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 29 Jan 2026 | View | 20mg | 19.1mg | -4.5% | 99.59% | n/a | RT20 | No Label / Copper Crimp / Clear Cap | Lab E | Public | |
| 29 Jan 2026 | View | 10mg | 6.01mg | -39.9% | 98.72% | n/a | R10-12032025 | White Label / Silver Crimp / Green Cap | Lab E | Public | |
| 7 Jan 2026 | View | 40mg | 41mg | +2.5% | 99.15% | n/a | REDRT40-MFG:09/25/2025 | Silver Label / Silver Crimp / Clear Red Cap | Lab E | Public | |
| 29 Dec 2025 | View | 30mg | 33mg | +10.0% | 99.60% | n/a | sep 4 2025 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 29 Dec 2025 | View | 30mg | 32.7mg | +9.0% | 99.60% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 16 Dec 2025 | View | 20mg | 34.1mg | +70.5% | 99.80% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 16 Dec 2025 | View | 30mg | 25.4mg | -15.3% | 99.60% | n/a | (no batch ID) | No Label / Silver Crimp / Black Cap | Lab G | Public | |
| 13 Dec 2025 | View | 30mg | 33.7mg | +12.3% | 99.40% | n/a | Nov2,2025 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 13 Dec 2025 | View | 15mg | 15.9mg | +6.0% | 99.50% | n/a | Now 2,2025 | No Label / Silver Crimp / Orange Cap | Lab G | Public | |
| 11 Dec 2025 | View | 10mg | 7.83mg | -21.7% | 62.38% | n/a | (no batch ID) | No Label / Silver Crimp / Green Cap | Lab E | Public | |
| 10 Dec 2025 | View | 10mg | 10.4mg | +4.0% | 99.60% | n/a | Oct 19,2025 | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 10 Dec 2025 | View | 5mg | 5.5mg | +10.0% | 98.20% | n/a | sept 25 2025 | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 4 Dec 2025 | View | 20mg | 20.2mg | +1.0% | 99.95% | not detected | Sep 15,2025 | No Label / Gold Crimp / Clear Cap | Lab E | Public | |
| 2 Dec 2025 | View | 20mg | 16.5mg | -17.5% | 99.50% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 23 Nov 2025 | View | 20mg | 35.2mg | +76.0% | 99.90% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 23 Nov 2025 | View | 20mg | 16.8mg | -16.0% | 99.80% | n/a | (no batch ID) | No Label / Copper Crimp / Clear Cap | Lab G | Public | |
| 17 Nov 2025 | View | 30mg | 30.6mg | +2.0% | 98.20% | n/a | SEPT 4 2025 | No Label / Silver Crimp / White Cap | Lab E | Public | |
| 17 Nov 2025 | View | 10mg | 10.2mg | +2.0% | 98.39% | not detected | 10132025/10mg | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |
| 6 Nov 2025 | View | 10mg | 9.79mg | -2.1% | 99.95% | n/a | (no batch ID) | No Label / Silver Crimp / Clear Blue Cap | Lab E | Public | |