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This independent HPLC lab test with UV detection and mass spectrometry analysis confirms Melanotan II 20mg from Zen Aminos at 99.90% purity. The sample tested at 11.62mg net peptide content, meeting label specifications. The analysis was conducted by Freedom Diagnostics on May 7, 2026.
Melanotan II is an alpha-melanocyte-stimulating hormone analogue researched for its potential role in melanin production and skin pigmentation. A purity level of 99.90% demonstrates minimal contamination and high-grade synthesis quality.
The full certificate of analysis is available for download on this page.

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