Retatrutide (GLP-1 and GIP antagonist)
We've tested 194 samples of Retatrutide sourced from 36 vendors between 17 Dec 2024 and 17 Jul 2025. Purity varies from 96.46% to 99.99%, and quantity can diverge by up to +/-104% vs advertised value.
We've tested 17 samples of Retatrutide sourced from 18 vendors between
No date provided
and September 29, 2025. Purity varies from 0% to 100%, and quantity can diverge by up to +/-0% vs advertised value.Take Action
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Vendors
| Tests | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Vendors | Rating | Count | Avg | Min | Max | Oldest | Most Recent | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 06 Feb 2026 | 06 Feb 2026 | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 05 Feb 2026 | 05 Feb 2026 | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 05 Feb 2026 | 05 Feb 2026 | |||
| 🔬 | FAILING | 1 | 2.0 | 2.0 | 2.0 | 05 Feb 2026 | 05 Feb 2026 | |||
| 🔬 | WEAK | 3 | 4.0 | 4.0 | 4.0 | 09 Jan 2026 | 09 Jan 2026 | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 14 Oct 2025 | 14 Oct 2025 | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 11 Oct 2025 | 11 Oct 2025 | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 11 Oct 2025 | 11 Oct 2025 | |||
| 🔬 | FAILING | 1 | 2.0 | 2.0 | 2.0 | 09 Oct 2025 | 09 Oct 2025 | |||
| 🔬 | WEAK | 2 | 4.5 | 3.0 | 6.0 | 23 Sept 2025 | 09 Oct 2025 | |||
| 🔬 | MIXED | 2 | 5.0 | 4.0 | 6.0 | 25 Sept 2025 | 09 Oct 2025 | |||
| 🔬 | EXCELLENT | 1 | 10.0 | 10.0 | 10.0 | 29 Sept 2025 | 29 Sept 2025 | |||
| 🔬 | FAILING | 1 | 2.0 | 2.0 | 2.0 | 25 Sept 2025 | 25 Sept 2025 | |||
| 🔬 | FAILING | 2 | 3.4 | 2.1 | 4.7 | 23 Sept 2025 | 09 Oct 2025 | |||
| 🔬 | MIXED | 1 | 5.0 | 5.0 | 5.0 | 25 Sept 2025 | 09 Oct 2025 | |||
| 🔬 | MIXED | 1 | 5.0 | 5.0 | 5.0 | 23 Sept 2025 | 09 Oct 2025 | |||
| 🔬 | WEAK | 1 | 5.0 | 5.0 | 5.0 | 23 Sept 2025 | 23 Sept 2025 | |||
| 🔬 | FAILING | 1 | 3.0 | 3.0 | 3.0 | 23 Sept 2025 | 09 Oct 2025 | |||
Most recent tests
Samples are tested in commercial labs
| Quantity | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Test Date | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| July 8, 2025 | View | 0.0 | 20mg | 11.180mg | +93.27% | 99.38% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public |
| July 8, 2025 | View | 0.0 | 15mg | 14.180mg | -37.21% | 99.38% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | PeptideScore |
| June 30, 2025 | View | 0.0 | 5mg | 20.00mg | +46.58% | 99.38% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab A | Public |
| July 16, 2025 | View | 0.0 | 10mg | 11.180mg | +84.00% | 91.38% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | PeptideScore |
| July 16, 2025 | View | 0.0 | 10mg | 11.180mg | +48.3% | 84.32% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public |
| July 16, 2025 | View | 0.0 | 10mg | 12.180mg | -24.23% | 94.38% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public |
| July 16, 2025 | View | 0.0 | 10mg | 11.180mg | +22.38% | 99.38% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public |
| July 16, 2025 | View | 0.0 | 10mg | 11.180mg | -38.32% | 95.38% | 2 Jun 2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public |
Corrections
- 17 Apr 2025: NextechLabs
- Lab A test 27 Feb 2025, lab C test 28 Feb 2025, lab B test 30 Mar 2025: updated batch claim quantity, label claim was clear, erroneously listed 10mg.
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