Melanotan II
We've tested 166 samples of Melanotan II sourced from 39 vendors between 19 Feb 2025 and 1 Jul 2026. Purity typically ranges from 97.66% to 99.95% (5th-95th percentile), and quantity typically diverges by up to +/-60% vs advertised value (95th percentile).
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Vendors
| Tests | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Vendor | Rating | Count | Avg | Min | Max | Oldest | Most Recent | ||
 | 7 | 22 Apr 2025 | 8 May 2026 | ||||||
 | 2 | 6 Feb 2026 | 6 Feb 2026 | ||||||
| 2 | 9 Oct 2025 | 9 Oct 2025 | ||||||
 | 4 | 16 May 2025 | 8 May 2026 | ||||||
 | 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 | ||||||
| 10 | 16 Jul 2025 | 28 Apr 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 | ||||||
 | 7 | 18 Jul 2025 | 13 Mar 2026 | ||||||
 | 10 | 19 Feb 2025 | 19 Feb 2025 | ||||||
 | 2 | 20 May 2025 | 20 May 2025 | ||||||
 | 5 | 19 Feb 2025 | 25 Mar 2026 | ||||||
 | 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 | 27 Feb 2025 | 13 May 2026 | ||||||
 | 6 | 22 Apr 2025 | 8 May 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 | Batch | Tested | Difference | Purity | Endotoxins | Batch ID | Container | Tested At | Sent By |
| 13 May 2026 | Peptides For Sale | View | 10mg | (no batch claim) | 4.03mg | -59.7% | 97.60% | below LOQ | 031 | White Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 8 May 2026 | Nuscience Peptides | View | 10mg | (no batch claim) | 11.9mg | +19.0% | 99.90% | n/a | 000256 | White Label / Silver Crimp / YellowCap | Lab G | Public | |
| 8 May 2026 | Injectify | View | 10mg | (no batch claim) | 10.1mg | +1.0% | 99.90% | n/a | PE2401-662 | Black Label / Silver Crimp / Yellow Cap | Lab G | Public | |
| 28 Apr 2026 | HK Peptides | View | 10mg | (no batch claim) | 8.81mg | -11.9% | 99.90% | n/a | (no batch ID) | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |
| 25 Mar 2026 | Oasis Peptides | View | 10.5mg | 10.5mg | 12.1mg | +15.2% | 99.90% | n/a | 072425 | Green Label / Silver Crimp / Orange Cap | Lab G | Public | |
| 13 Mar 2026 | Qing Li Peptide | View | 10mg | (no batch claim) | 10.3mg | +3.0% | 99.80% | n/a | (no batch ID) | No Label / Silver Crimp / Blue Cap | Lab G | Public | |
| 26 Feb 2026 | HK Peptides | View | 10mg | (no batch claim) | 10.3mg | +3.0% | 99.19% | n/a | ML10 | No Label / Silver Crimp / Yellow Cap | Lab E | Public | |