Melanotan II
We've tested 136 samples of Melanotan II sourced from 33 vendors between 19 Feb 2025 and 4 Mar 2026. Purity typically ranges from 97.66% to 99.95% (5th-95th percentile), and quantity typically diverges by up to +/-61% vs advertised value (95th percentile).
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Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 6 | 22 Apr 2025 | 21 May 2025 | ||||||
 | 2 | 9 Oct 2025 | 9 Oct 2025 | ||||||
 | 3 | 16 May 2025 | 14 Jun 2025 | ||||||
 | 4 | 8 May 2025 | 21 May 2025 | ||||||
 | 4 | 8 May 2025 | 21 May 2025 | ||||||
 | 4 | 8 May 2025 | 21 May 2025 | ||||||
 | 3 | 10 Jul 2025 | 3 Oct 2025 | ||||||
| 9 | 16 Jul 2025 | 26 Feb 2026 | ||||||
 | 4 | 19 Feb 2025 | 19 Feb 2025 | ||||||
 | 5 | 27 Feb 2025 | 20 Mar 2025 | ||||||
 | 4 | 14 Jun 2025 | 4 Aug 2025 | ||||||
 | 4 | 19 Feb 2025 | 19 Feb 2025 | ||||||
 | 5 | 16 May 2025 | 4 Aug 2025 | ||||||
| 2 | 18 Jul 2025 | 31 Jul 2025 | ||||||
 | 3 | 25 Apr 2025 | 8 May 2025 | ||||||
 | 4 | 27 Feb 2025 | 20 Mar 2025 | ||||||
 | 4 | 22 Apr 2025 | 16 May 2025 | ||||||
 | 6 | 18 Jul 2025 | 9 Feb 2026 | ||||||
 | 10 | 19 Feb 2025 | 19 Feb 2025 | ||||||
 | 2 | 20 May 2025 | 20 May 2025 | ||||||
 | 4 | 19 Feb 2025 | 19 Feb 2025 | ||||||
 | 4 | 8 May 2025 | 16 May 2025 | ||||||
 | 2 | 19 Feb 2025 | 19 Feb 2025 | ||||||
 | 3 | 16 Mar 2025 | 16 Mar 2025 | ||||||
 | 4 | 27 Feb 2025 | 20 Mar 2025 | ||||||
 | 4 | 27 Feb 2025 | 20 Mar 2025 | ||||||
 | 2 | 21 May 2025 | 21 May 2025 | ||||||
 | 3 | 25 Apr 2025 | 30 Apr 2025 | ||||||
 | 6 | 22 Apr 2025 | 8 May 2025 | ||||||
 | 5 | 27 Feb 2025 | 20 Mar 2025 | ||||||
 | 2 | 16 May 2025 | 16 May 2025 | ||||||
 | 3 | 16 Mar 2025 | 16 Mar 2025 | ||||||
| 4 | 10 Jun 2025 | 4 Aug 2025 | ||||||
Most recent Melanotan II tests
Samples are tested in commercial labs
| Quantity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Test Date | Vendor | Certificate | Test Score | Label | Tested | Difference | Purity | Batch ID | Container | Tested At | Sent By |
| 26 Feb 2026 | HK Peptides | View | 10mg | 10.3mg | +3.0% | 99.19% | ML10 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 15 Feb 2026 | HK Peptides | View | 10mg | 10.9mg | +9.0% | 99.80% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 9 Feb 2026 | Qing Li Peptide | View | 10mg | 9.75mg | -2.5% | 99.90% | Dec 2, 2025 | White Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 26 Jan 2026 | HK Peptides | View | 10mg | 10.3mg | +3.0% | 99.90% | Mt1 yellow cap | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 26 Jan 2026 | Qing Li Peptide | View | 10mg | 3.68mg | -63.2% | 99.90% | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 15 Jan 2026 | Qing Li Peptide | View | 10mg | 10.8mg | +8.0% | 99.54% | Nov 20,2025 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 6 Dec 2025 | HK Peptides | View | 10mg | 10.7mg | +7.0% | 99.77% | (no batch ID) | White Label / Silver Crimp / Blue Cap | Lab E | Public | |
Corrections
- 28 Nov 2025: Xianhong Tong XHT Peptides
- This sample was labeled as a Sermorelin 5mg, when in fact it is a Melanotan II 10 mg. Test were entered in correct samples . Mix up was with sample hwd8b9r